Water Heater Maintenance Cupertino
Updated November 2026 • By Joseph Castro, Owner, Efficient Water Heaters, Inc. • CSLB #1008381
Documented annual service for tank, tankless, and heat-pump water heaters across Cupertino — from foothill-edge homes in Monta Vista and Seven Springs to mid-century ranches in Rancho Rinconada. Flushing, tankless descaling, anode rod replacement, T&P relief valve testing, and expansion tank verification, every step tuned to the consistently hard San Jose Water Company and California Water Service supply that defines Cupertino plumbing.
- Licensed CSLB #1008381
- Hard-Water Specialists
- Tank, Tankless & Heat Pump
- Manufacturer-Spec Procedures
- Written Service Records
Quick Answers
Citation-ready answers for Cupertino homeowners researching annual water heater service.
How often should a water heater be maintained in Cupertino?
Tank water heaters in Cupertino should be flushed and the anode rod inspected once every 12 months. Tankless condensing units should be descaled every 9–12 months, tightening to every 6–8 months when paired with a recirculation loop. Heat-pump water heaters need a filter rinse and condensate-line check twice per year alongside the annual tank items. Intervals are tighter than national defaults because both San Jose Water Company and California Water Service deliver Cupertino some of the harder water in the South Bay — commonly 12–17 grains per gallon along the foothill service zones.
Why is annual flushing so important on Cupertino's water?
Annual flushing physically removes the calcium-carbonate sediment that drops out of solution every time water is heated. On Cupertino's hard supply, a tank that has not been flushed in three years routinely produces several gallons of chalky white slurry on the first drain. Once that sediment hardens into a crust over the burner plate, gas combustion has to heat through an insulating layer, recovery time stretches, the popping or rumbling sound becomes audible, and corrosion begins eating the steel tank floor from inside the deposit outward.
What happens if water heater maintenance is skipped entirely?
Skipped maintenance shortens equipment life by 4–7 years in Cupertino, more than most South Bay cities because of the hardness load. Tanks that should reach 12–15 years routinely fail between years 6 and 9. Tankless heat exchangers that should run 18–20 years lock out on combustion errors by year 7–9. The anode rod fully consumes and corrosion then attacks the steel tank itself, the expansion tank loses pre-charge and forces relief discharges, and a maintenance visit that would have cost a fraction of a replacement instead becomes a permitted equipment swap with all code-required peripherals.
How does hard water specifically affect Cupertino water heaters?
Hard water carries dissolved calcium and magnesium that precipitate out as scale when water is heated above roughly 140°F. In Cupertino, the consistently high mineral content means tank sediment accumulates noticeably faster, tankless heat exchangers form scale faster, and anode rods consume faster — typically every 3–4 years rather than the 5-year national average. Hard water also accelerates wear on dip tubes, mixing valves, and recirculation pump impellers. None of these failures are dramatic; they are gradual, which is why scheduled maintenance catches them before they cascade.
Is tankless maintenance actually necessary or just a recommendation?
It is necessary in a contractual sense. Rinnai, Navien, Noritz, Rheem, Bradford White, and AO Smith all reference periodic descaling and inlet filter service in their warranty terms. When a heat exchanger fails on a Cupertino install and a warranty claim is opened, the manufacturer can request documentation of annual descaling. A homeowner with written service records on a Navien NPE-A2 or a Noritz NRCP has a defensible claim. A homeowner without those records on Cupertino's hard supply typically receives a denial — and a heat-exchanger invoice that approaches the price of a new unit.
Does annual maintenance reduce monthly energy costs?
Yes, measurably. The California Energy Commission's appliance data shows a sediment-loaded tank can lose 10–20% of rated thermal efficiency because the burner is firing through an insulating mineral layer, and Energy Star tankless units only hold their published Uniform Energy Factor while the heat exchanger remains scale-free. For Cupertino homeowners who paid a Title 24-compliance premium for a high-efficiency unit, skipping descaling effectively cancels the efficiency rating that justified that premium. PG&E billing data from before-and-after maintenance visits consistently reflects this.
Homeowner Knowledge Center
A water heater is a pressure vessel with a small number of wear items. Maintenance keeps each of those items inside the operating window the manufacturer designed for. Here is what that means in a Cupertino home, item by item.
The Annual Tank Flush
A controlled flush isolates the cold inlet, opens a hot fixture to break vacuum, drains the tank through a hose to an approved discharge point, and refills with the air-purge step. On a unit that has never been serviced — common when a Monta Vista home changes hands and the previous owner left no service paperwork — the first flush takes longer because hardened mineral has to be loosened with controlled cold-water pulses before it will pass the drain valve.
Tankless Descaling
Descaling circulates a food-grade acid solution through the heat exchanger for roughly 45 minutes using isolation valves on the cold and hot lines. The procedure ends with a freshwater rinse and a flow-rate check at the master fixture. Cupertino installs from 2018 forward almost always ship with service valves; older retrofits from the early 2010s sometimes do not, and we install a proper service kit before the first descale rather than improvising.
Anode Rod Inspection and Replacement
The anode rod is a sacrificial magnesium or aluminum bar that corrodes preferentially so the steel tank does not. Inspection means pulling the rod, measuring remaining material, and replacing once more than 60% is consumed. On Cupertino's hard supply, a typical 40- or 50-gallon tank goes through an anode every 3–4 years. Once the rod is gone, corrosion turns on the tank floor — and there is no field repair for a perforated tank.
Expansion Tank Verification
Both San Jose Water Company and California Water Service use pressure-reducing valves at most Cupertino service connections, which creates a closed plumbing system. Closed systems require thermal expansion control — typically a pre-charged expansion tank above the water heater. The internal bladder loses pre-charge around years 5–7. Once it fails, every heating cycle pushes pressure into the T&P relief line, and the discharge pipe starts dripping for what looks like no reason.
T&P Relief Valve Testing
The temperature and pressure relief valve is the last engineered safety device on a water heater. We lift the test lever, confirm clean discharge through the drain line to a code-compliant termination point, and confirm the valve reseats without weeping. A valve that has never been exercised and is mineral-locked shut is replaced on the spot — not adjusted, not freed. Cupertino's mineral load makes locked T&P valves a routine find on unmaintained units.
Combustion Air, Venting, and Strapping
Gas units need adequate combustion air and an unobstructed vent. We confirm louvered closet doors are not blocked by storage, screened combustion-air openings are clear, and B-vent or PVC venting has not been pinched or pulled apart by attic insulation work — a recurring find in remodeled Rancho Rinconada ranches. CPC 507.2 seismic strapping (two straps, upper and lower third of the tank) is verified on every visit.
Why Water Heater Maintenance Matters
A residential water heater in Cupertino typically holds 40 to 80 gallons of pressurized water at 120°F or above, every hour of every day for a decade or more. It is the most continuously loaded appliance in the house and the one homeowners think about least — until a Saturday morning with no hot water. Maintenance is the only thing that consistently keeps that morning from arriving years ahead of schedule.
The first argument for annual service is economic. A code-compliant replacement of a 50-gallon gas tank — with a new T&P valve, expansion tank, drain pan, seismic straps, City of Cupertino permit, and disposal of the old unit — costs several multiples of a yearly maintenance visit. Stretching a Cupertino tank from year 8 to year 14, or a tankless from year 10 to year 20, is the entire return on investment for a documented maintenance plan.
Manufacturer warranty preservation is the second. Rheem, Bradford White, AO Smith, Navien, Rinnai, and Noritz all reserve the right to deny warranty claims when service documentation is missing — and on Cupertino's hard supply, denied claims are a routine outcome, not a rare one. A simple folder of dated service records is what separates a covered heat-exchanger swap from a full out-of-pocket replacement.
Efficiency is the third. The California Energy Commission's appliance database shows that a sediment-loaded tank can lose 10–20% of rated thermal efficiency, and an Energy Star tankless unit holds its Uniform Energy Factor only while the heat exchanger stays scale-free. For Cupertino homeowners whose units were sized under Title 24 calculations, skipping descaling effectively cancels the efficiency rating they paid a premium for and inflates the PG&E gas bill that justified the upgrade.
Maintenance also intersects with electrification. BAAQMD Rule 9-6 will require zero-NOx residential water heaters on most new installs across the nine-county Bay Area beginning January 1, 2027. Cupertino homeowners who maintain their existing units are not forced into an emergency decision the morning a tank leaks — they retain the option to plan a heat-pump conversion, evaluate panel capacity, and stack rebates on their own timeline.
Finally there is the safety case. A T&P valve that has never been tested can mineral-lock shut. A failed expansion tank bladder forces overpressure into a relief line never meant to be the primary outlet. A vent separated from the draft hood after attic work will backdraft combustion products into a utility closet. None of these failures announce themselves — they are either caught during a maintenance visit or discovered during an emergency call.
Local Cupertino Expert Insights
Generic national maintenance guidance does not match what we see in Cupertino garages and utility closets. Three local conditions change how we approach service in this city.
Foothill-edge hardness is the dominant variable
Cupertino sits at the western edge of the Santa Clara Valley, where municipal supply from San Jose Water Company and California Water Service consistently delivers some of the hardest water in the South Bay — commonly 12–17 grains per gallon. That is roughly double the hardness load seen in Sunnyvale or Santa Clara on the same equipment. It is why anode rods rarely make it to year five here, why tankless heat exchangers need a tighter descaling interval than national guidance assumes, and why even a brand-new tank shows visible sediment on its first annual drain.
Long-term ownership concentrates equipment at the mid-life mark
Cupertino has unusually long average home tenure — many original owners in Rancho Rinconada and Garden Gate are still in homes purchased decades ago. The water heaters in those homes are rarely the original units, but they are commonly second- or third-generation tanks installed 10–16 years ago during kitchen and bath remodels. For these owners, maintenance is less about extending a unit indefinitely and more about ensuring a controlled, scheduled replacement rather than a wet-floor emergency on a weekend.
Heat-pump conversions and high-efficiency upgrades are accelerating
More Cupertino homeowners than the regional average are actively planning heat-pump water heater conversions or high-efficiency tankless upgrades, often tied to broader solar, panel, or remodel projects. With BAAQMD Rule 9-6 arriving in 2027 and the California Energy Commission's appliance standards tightening, maintenance becomes a runway tool — keeping the existing gas tank safe and efficient over an 18-to-36-month window while the homeowner sequences electrical work, rebate capture, and contractor scheduling rather than reacting to a sudden failure.
Documented On Every Cupertino Visit
- Anode rod consumption percentage with photo
- Sediment volume and texture via drain sample
- T&P valve discharge and clean reseat
- Expansion tank pre-charge vs static line pressure
- Gas pressure under steady burner load
- Combustion-air openings and louvered door clearance
- Vent connector integrity from draft hood up
- Tankless inlet filter and condensate trap status
- Recirculation pump amperage and schedule
- Seismic strapping per CPC 507.2
- Drain pan condition and any prior leak evidence
- Thermostat setpoint vs household occupancy
Maintenance vs Repair Decision Guide
A maintenance visit is not the right answer for every symptom. Use this guide before booking. It will save a service call when the unit actually needs diagnostic work, and it will save a replacement when documented maintenance would have done it.
| Symptom | Maintenance fits | Call for repair instead |
|---|---|---|
| Popping or kettle-rumble during heating | Sediment cake — annual flush | Active drip at the tank base or pan |
| Tankless flow slower than a year ago | Heat-exchanger scale — descale | Repeated lockouts within weeks of a proper descale |
| Less hot water than the unit used to deliver | Dip-tube and burner deposits | Burner refuses to stay lit after thermocouple service |
| Anode inspection interval reached, no symptoms | Pull, measure, replace if consumed | Visible rust at hot fixtures throughout the home |
| T&P valve weeps only during heating cycles | Expansion tank recharge or replacement | Continuous high-pressure relief discharge |
| Unit is 9–11 years old and stable | Move to a documented annual plan | 12+ years with rising symptoms — plan replacement |
| Tankless error code clears with a reset | Descale and inlet-filter service | Code returns within days of a complete service |
When the answer is a diagnostic, see water heater repair in Cupertino. When the unit is past its useful life, the installation guide covers tank, tankless, and heat-pump options.
Field Experience Stories
Two recent Cupertino maintenance visits that show what the local hard supply does to real equipment — and what catching it early actually looks like.
Defender Series 50-gallon atmospheric-vent gas tank
- Issue
- A loud kettle-style rumble on every heating cycle, lukewarm second showers, and a small puddle the homeowner had noticed under the drain pan twice in the previous month
- Diagnosis
- The unit was nine years old, mounted in a foothill-edge garage with the original commissioning sticker still on the cabinet and no other service records. The first drain produced more than two gallons of dense calcium slurry before the discharge ran clear, with hardened mineral chunks that had to be broken up with controlled cold-water pulses. The aluminum anode rod measured down to roughly fifteen percent of original mass — effectively spent. The expansion tank above the unit read 18 psi against an incoming static of 72 psi, which was driving small thermal discharges through the T&P line and into the pan.
- Maintenance Solution
- We executed a staged flush to clear the hardened sediment without stressing the drain valve, installed a fresh magnesium anode rod sized for the Defender's tank height, replaced the failed expansion tank with a properly pre-charged unit matched to incoming line pressure, exercised and replaced a mineral-stiff T&P valve, and dried and inspected the pan for any prior leak track. The rumble went silent immediately, second-shower performance returned within a single heating cycle, and the unit was placed on a written annual maintenance schedule with reminder cadence.
NRCP1112-DV condensing tankless with built-in recirculation pump
- Issue
- An intermittent Code 11 ignition-failure that cleared on a manual reset, plus a noticeable drop in flow at the primary master bath fixture compared to install year
- Diagnosis
- The unit was six years old in a two-story Seven Springs home and had been descaled exactly once in year two. The built-in recirculation pump was configured to run on a fixed continuous schedule, which on Cupertino's hard supply meant the heat exchanger was processing low-flow draws nearly around the clock — accelerating scale far past Noritz's published assumptions. The inlet water filter held a heavy calcium film, the condensate neutralizer media was past its service interval, and a descale-draw test showed measurable restriction across the exchanger.
- Maintenance Solution
- We performed a full descale using a Noritz-approved descaling solution at the manufacturer-specified flow rate, cleaned and reseated the inlet filter, replaced the condensate neutralizer media, and reprogrammed the recirculation pump from continuous operation to three targeted on-windows aligned with the household's actual hot-water demand pattern. The ignition fault cleared, master-bath flow returned to documented install-day readings, and the unit was placed on an 8-month descaling interval with before-and-after flow measurements recorded each visit.
Neither homeowner needed a repair invoice. Both would have within twelve months if these maintenance visits had not happened. That is the entire case for putting service on a calendar.
Expert Summary
Water heater maintenance in Cupertino is, before anything else, a hard-water problem. Both San Jose Water Company and California Water Service deliver the city consistently high mineral content, and every tank, every tankless heat exchanger, every anode rod, and every recirculation loop in Cupertino accumulates scale faster than national guidance assumes. Annual service is not a generic best practice here — it is the local standard for a concrete, water-chemistry-driven reason.
For tank systems, the maintenance core is a full annual flush, an anode rod check on a 2–3 year cycle, a T&P valve test, an expansion tank pressure verification, and a combustion-air walkthrough. For tankless systems, it is an annual descale tightened to every 8 months on recirculation installs, an inlet filter service, a condensate trap and neutralizer check, and a hard look at any recirculation schedule. For heat-pump systems, it is a filter rinse and condensate verification every six months alongside the standard annual tank items.
The right time to begin is before symptoms appear. A unit that is already noisy, drifting on outlet temperature, or throwing error codes has already lost something — sometimes recoverable through service, sometimes not. The Cupertino homeowners who consistently get fifteen-plus years out of a tankless and twelve to fifteen out of a tank are almost always the ones who put service on a calendar in year one and never broke the cadence.
Documented maintenance also protects the manufacturer warranty that most homeowners only think about after a failure. Rheem, Bradford White, AO Smith, Navien, Rinnai, and Noritz all reserve the right to deny claims when service records are missing — and on Cupertino's hard supply, the difference between a covered heat-exchanger swap and a full out-of-pocket replacement frequently comes down to whether a folder of dated service records exists.
Finally, maintenance buys planning time as Cupertino moves into the electrification window. With BAAQMD Rule 9-6 changing the residential water heater landscape in 2027 and California Energy Commission appliance standards continuing to tighten, a well-maintained unit gives homeowners room to evaluate heat-pump options, capture available rebates, schedule any electrical panel work, and time the upgrade on their own terms — instead of the equipment's terms on a Saturday morning.
Water Heater Maintenance Process
What a documented Efficient Water Heaters maintenance visit looks like, step by step, on a Cupertino service call. Times are typical; never-serviced or older equipment runs longer on the first visit.
- 1
Pre-visit history and equipment confirmation
Before arrival we confirm system type, brand, model, install year, last documented service, and current symptoms. For tankless owners we ask about error code history, and for recirculation owners we ask how the pump is scheduled. That lets us load the correct anode rod, T&P valve, expansion tank, descaling solution, and inlet filter onto the truck before we leave the shop instead of running parts mid-visit in Monta Vista or Seven Springs traffic.
- 2
Visual inspection and safety check
The first ten minutes on site are visual: gas connections, water connections, vent path, combustion-air clearance, drain pan, CPC 507.2 seismic strapping, and any leak history on the floor. Anything outside spec is photographed and noted in the service record before we open a valve. On Cupertino's garage and utility-closet installations, vent integrity and combustion-air clearance dominate this step.
- 3
Flush or descale
For tank units, we shut down the burner or elements, isolate the cold inlet, drain the tank through a hose to an approved discharge point, and refill while purging air at a hot fixture. For tankless units, we close the cold and hot isolation valves, connect descaling pump lines, circulate the manufacturer-approved solution through the heat exchanger for the specified interval, and finish with a freshwater rinse and a documented flow-rate confirmation.
- 4
Wear-item inspection and replacement
The anode rod is pulled and measured against new-rod dimensions. The T&P valve is lever-tested and watched for clean reseat. The expansion tank is checked at the Schrader valve against current incoming static pressure and recharged or replaced as needed. On tankless, the inlet filter is removed, rinsed, and reseated, and the condensate neutralizer media is checked. Anything outside spec is replaced on the spot or quoted for a follow-up if parts are not on the truck.
- 5
Performance verification
With the unit refilled and powered, we verify gas pressure under burner load on gas units, confirm tankless modulation and outlet temperature against setpoint, and run a hot fixture until recovery is steady. On recirculation systems we verify pump amperage at running load and confirm loop temperature at the furthest fixture from the unit — typically a back-of-house master bath in Rancho Rinconada single-story layouts or an upstairs bath in Seven Springs two-stories.
- 6
Documentation and next-service scheduling
Every visit ends with a written record: model, serial, work performed, parts installed, photos of anode rod and T&P valve condition, expansion tank pre-charge reading, and a recommended next-service date. That record protects the manufacturer warranty, supports any future heat-pump rebate application, helps at resale, and feeds the reminder we send when the next interval is due.
Put Cupertino maintenance on the calendar
Annual service plans for Monta Vista, Rancho Rinconada, Garden Gate, Seven Springs, Oak Valley, and the Cupertino Village and Blackberry Farm areas. We schedule, remind, document, and keep your warranty intact.
Frequently Asked Questions
Citation-ready answers for Cupertino homeowners researching annual water heater service.
How often should water heater maintenance be performed in Cupertino?
Tank water heaters in Cupertino should be flushed and the anode rod inspected once every 12 months. Tankless condensing units should be descaled every 9–12 months on standard installs and every 6–8 months on units tied to a recirculation loop. Heat-pump units need a filter rinse and condensate-line verification every six months plus the standard annual items. These intervals run tighter than national defaults because San Jose Water and California Water Service deliver consistently hard supply across the city.
Why should a Cupertino water heater be flushed each year?
Annual flushing removes the calcium-carbonate sediment that drops out of solution every heating cycle. On Cupertino's hard supply, a tank skipped for three years routinely produces several gallons of chalky slurry on the first drain. Once that layer hardens into a crust over the burner plate, gas combustion has to heat through an insulating barrier, recovery slows, the rumbling sound becomes audible, and corrosion begins eating the steel tank floor from inside the deposit outward.
What happens if water heater maintenance is skipped in Cupertino?
Skipped maintenance shortens equipment life by 4–7 years in Cupertino because of the high mineral load. Tanks that should reach 12–15 years routinely fail between years 6 and 9. The anode rod fully consumes and the steel tank begins corroding inside out, the expansion tank loses pre-charge and forces relief discharges, and tankless heat exchangers scale until combustion error codes lock the unit out. Each outcome converts a routine maintenance visit into a permitted equipment replacement years ahead of schedule.
Does maintenance actually extend a Cupertino water heater's lifespan?
Yes — measurably. A maintained tank water heater in Cupertino typically reaches 12–15 years, while a neglected unit on the same hard supply often fails between years 6 and 9. Tankless units descaled on schedule routinely run 18–20 years; the same units left undescaled commonly need heat-exchanger work or replacement by year 7–9. Replacing the anode rod every 3–4 years is the single biggest factor in pushing a Cupertino tank toward the long end of that range.
How often should a tankless water heater be descaled in Cupertino?
Every 9–12 months on a standard tankless install, and every 6–8 months on a tankless tied to a recirculation loop. Cupertino's hard supply deposits mineral on the heat exchanger every time hot water passes through, and recirculation pumps push water across the exchanger thousands of times per day, multiplying scale rate. Descaling uses isolation valves to circulate a manufacturer-approved acid solution through the exchanger for about 45 minutes, followed by a freshwater rinse and a flow-rate verification.
Can water heater maintenance reduce my energy costs in Cupertino?
Yes. The California Energy Commission's appliance data shows a sediment-loaded tank can lose 10–20% of rated efficiency because the burner is firing through an insulating mineral layer. Energy Star tankless units lose efficiency similarly once heat-exchanger scale builds up and the modulating burner falls outside its designed firing range. Annual flushing on tanks and on-schedule descaling on tankless restore the Uniform Energy Factor the unit was rated and sized for — the efficiency level your PG&E bill was originally calculated against.
What does BAAQMD Rule 9-6 mean for Cupertino homeowners planning future upgrades?
Bay Area Air Quality Management District Rule 9-6 phases in zero-NOx requirements for residential water heaters sold and installed across the nine-county Bay Area starting January 1, 2027. New gas tank installs will need to meet ultra-low-NOx standards, and many Cupertino homeowners are using the runway to plan a heat-pump conversion instead — coordinating panel review, rebate capture, and remodel timing. Documented maintenance on the current gas unit preserves that planning time rather than forcing a same-day decision when a tank fails.
When does a maintained Cupertino water heater still need replacement?
Even with documented annual service, tank water heaters generally reach end-of-life between years 12 and 15, and tankless units between years 18 and 20. Replacement is the right call when rust appears in the hot water, the bottom seam weeps or the pan shows prior leak evidence, the anode rod can no longer be threaded out for replacement, or a tankless unit throws persistent heat-exchanger error codes that survive a proper descale. Past that point, additional maintenance is a delay rather than a fix.
Why Choose Efficient Water Heaters in Cupertino
Cupertino's hard water and long-tenure housing stock reward a specialist. Here is what that specialization looks like in measurable terms.
Water heaters are the only thing we do
We do not split crew time across drain cleaning, fixture work, or repipes. Every truck is built for tank flushing, tankless descaling, anode replacement, expansion tank service, and venting work — which is why service intervals in Cupertino get done correctly the first time.
Same-day Cupertino service
Most maintenance requests inside Cupertino city limits — Monta Vista, Rancho Rinconada, Garden Gate, Seven Springs, Oak Valley, and the Cupertino Village and Blackberry Farm areas — are scheduled the same day they are called in, with a confirmed arrival window.
Documented maintenance expertise
Every visit produces a written record: sediment volume, anode rod consumption photo, T&P discharge result, expansion tank pre-charge reading, and a recommended next-service date. That documentation protects manufacturer warranty claims when they matter.
Tankless descaling, done to spec
We descale Rinnai SENSEI, Navien NPE-A2, Noritz NRCP, Rheem RTGH, and Bradford White Infiniti units using manufacturer-approved solutions at the published flow rates, finishing with a freshwater rinse and a documented before-and-after flow reading.
Heat-pump water heater expertise
Heat-pump units need a different maintenance cadence than gas tanks — semi-annual filter rinses, condensate-line verification, ambient-clearance checks, and electrical inspection. We service Rheem ProTerra, AO Smith Voltex, and Bradford White AeroTherm units across Cupertino.
Genuine Cupertino specifics
We work on San Jose Water Company and California Water Service supplies daily, know which Cupertino streets sit on which utility, and understand how foothill-edge hardness in Monta Vista and Seven Springs differs from valley-floor service near Rancho Rinconada.
Schedule Cupertino Water Heater Maintenance
Put your unit on a documented annual service plan tuned to Cupertino's hard supply. Flush, descale, anode, T&P, expansion tank, venting — all verified and recorded.
Serving Monta Vista, Rancho Rinconada, Garden Gate, Seven Springs, Oak Valley, Cupertino Village, and Blackberry Farm — CSLB #1008381.