Water Heaters in Pasadena, CA
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Water Heater Experts Serving Pasadena, CA
Pasadena homes, from the historic Craftsman bungalows of Bungalow Heaven to the Spanish Revival estates of Madison Heights and the mid-century houses of Hastings Ranch, each come with their own water heater needs. Fast Water Heater Co. has served Pasadena and the San Gabriel Valley since 1986, and we know the city’s permit process, hard water, and older housing stock well.
We’re licensed, bonded, and insured. Every job is filed with City of Pasadena Building & Safety Division for permit and inspection. Explore our full range of water heater types: tank, tankless, heat pump, and hybrid.
Brands We Service & Install
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Certified technicians, free estimates, no trip fees.
Trusted & Award-Winning
Water Heater Installation in Pasadena, CA
Pasadena homes vary widely, from 1910s Craftsman bungalows in Bungalow Heaven to Spanish Revival estates in Madison Heights and ranch homes in Hastings Ranch. We install top brands including Rheem, Bradford White, and Rinnai, with every job pulled under a City of Pasadena permit and inspected to code.
Premium Brands — In Stock
We carry Rheem, Bradford White, Navien, Noritz, and Rinnai, from standard 40 to 50 gallon tanks for older bungalows to space-saving tankless units that fit the tight closets and basements common in historic Pasadena homes.
Pasadena Permit & Inspection
We file every job with City of Pasadena Building & Safety Division , required for any water heater replacement. A permit protects your home value and insurance coverage.
Whole-Home & Multi-Bath Systems
Larger Pasadena homes in San Rafael, Linda Vista, and Hastings Ranch, plus houses with a guest unit or ADU, often need a high-recovery tank or a properly sized tankless system. We size every unit to your home’s real peak hot water demand.
Same-Day Service Available
Call before noon for same-day installation in LA County. We arrive in clean, marked vehicles and protect your home with shoe covers, drop cloths, and full cleanup on every job.
Written Estimate — No Surprises
We provide a written quote covering parts, labor, permit fees, and old unit haul-away before work begins. If you decide not to proceed, there is no charge and no pressure.
Complete Haul-Away Included
We remove and properly dispose of your old water heater as part of every installation, with no extra trip and no additional charge. Your utility area is left clean.
Water Heater Code Requirements in Pasadena, CA
Pasadena Permit Required
The City of Pasadena runs its own permitting through the Building & Safety Division, separate from LA County. Any water heater replacement requires a permit from the Pasadena Permit Center. We handle all paperwork and the inspection scheduling for you.
Earthquake Strapping Required
California law requires two seismic straps on every water heater, on the upper and lower thirds of the tank, with the lower strap at least 4 inches above the gas controls. With the Raymond Fault running through Pasadena, inspectors check this on every job.
Approved Location Rules
Water heaters cannot be installed in bedrooms, bathrooms, or sleeping area closets per the California Plumbing Code. In Pasadena homes with converted garages, basements, or backyard ADUs, location compliance is checked closely.
Gas Venting Standards
Flue venting on gas water heaters must use listed materials, maintain proper clearances, and be free of obstructions. Aging vent pipes in older Pasadena homes, common in Bungalow Heaven and Garfield Heights, are inspected and replaced when needed before installation.
T&P Relief & Drain Pan
A temperature and pressure relief valve is mandatory on all installations. Discharge piping must route to an approved outdoor location. Drain pans are required in any location where a leak could cause damage to the structure below.
Shutoff, Insulation & Bonding
A dedicated cold-water shutoff valve at the unit is required. Supply and delivery pipes in unconditioned spaces must be insulated. Gas and water piping must be electrically bonded per the California Building Standards Code.
Water Heater Replacement in Pasadena
Serving Pasadena Since 1986
We’ve completed thousands of water heater replacements throughout Pasadena and the San Gabriel Valley, from Bungalow Heaven and Madison Heights to Hastings Ranch and San Rafael. Our technicians know the local permit process, the area’s hard water, and the older housing stock well.
Same-Day Replacement
If you’ve woken up to cold water, call before noon. We stock units on our trucks and can typically complete a full replacement, including permit, install, and haul-away, the same day.
Tankless Upgrades
Many Pasadena homeowners are switching to whole-home tankless systems for endless hot water, a smaller footprint, and longer service life. We handle gas-line sizing, venting, and full code compliance, including the tight spaces in older homes.
On-Site Written Estimate
We assess your existing setup and provide a written quote covering parts, labor, permit, and disposal before any work begins. No obligation if you choose not to proceed.
Rental & HOA-Friendly
We can coordinate access with your tenant, property manager, or HOA, which helps with the many condos, townhomes, and rental units across Pasadena. We arrive on time, work efficiently, and leave your home exactly as we found it.
All Major Brands
Need a like-for-like Rheem swap, or want to step up to a Navien or Noritz tankless? We carry and install the right unit for your home’s hot water demand.
Water Heater Repair in Pasadena
No Hot Water?
Common causes are a failed thermocouple, pilot light outage, or heating element failure. Our technicians diagnose on the spot and carry standard repair parts on every service van.
Check Your Warranty
Most quality tank water heaters carry a 6–12 year warranty. We can help you locate and decode your serial number to determine if your unit is still covered, which can save you the cost of a replacement.
Repair vs. Replace
If your unit is over 10 years old and facing a significant repair, replacement is often the smarter investment. We give you an honest assessment, with no upselling.
Thermocouple & Thermistor Repair
A failed thermocouple (gas heaters) or thermistor (electric and tankless) is one of the most common repairs. These parts are inexpensive and stocked on our vans for fast turnaround.
Anode Rod Replacement
Pasadena’s hard water accelerates anode rod depletion. Replacing the rod every 3–5 years is the most cost-effective way to extend your tank’s life and prevent premature corrosion from the inside.
Annual Tank Flush
Hard water leaves calcium deposits at the bottom of your tank, reducing efficiency and shortening its life. An annual flush removes sediment buildup. It is a simple service that pays for itself in energy savings.
Pasadena Neighborhoods & Surrounding Areas We Serve
Neighborhoods We Serve in Pasadena
- Bungalow Heaven
- Madison Heights
- Garfield Heights
- Orange Heights
- Prospect Park
- Hastings Ranch
- San Rafael
- Linda Vista
- Daisy-Villa
- Downtown Pasadena
Nearby Cities We Serve
- South Pasadena
- Altadena
- Sierra Madre
- San Marino
- Arcadia
- La Cañada Flintridge
- Temple City
- Monrovia
- Eagle Rock
Wider Service Area
- Highland Park
- Glendale
- Alhambra
- San Gabriel
Pasadena Water Heater FAQs
Answers to the questions homeowners ask us most.
Don’t see yours? Call us at the number above or request service online.
Do you offer same-day water heater service in Pasadena?
What permits are required for water heater replacement in Pasadena?
Do I need seismic strapping for my water heater in Pasadena?
What rebates are available for water heaters in Pasadena?
How does Pasadena water hardness affect water heaters?
Can you install a tankless water heater in older Pasadena homes?
Can you install large-capacity water heaters for Pasadena homes?
Do you handle gas, electric, and tankless water heaters in Pasadena?
Pasadena Water Heater Rebates & Incentives
SoCalGas Rebates (Gas Customers)
Pasadena homes use SoCalGas for natural gas. SoCalGas offers rebates on qualifying high-efficiency tankless and storage water heaters. Visit socalgas.com/rebates for current amounts.
PWP Rebates (Electric Customers)
Pasadena Water and Power (PWP) is the city’s municipal electric utility. PWP offers rebates on qualifying heat pump water heaters. Visit pwpweb.com for current PWP rebate programs.
TECH Clean California
Statewide incentives for heat pump water heaters, stackable with utility rebates. Eligible households can combine multiple programs for maximum savings. Check eligibility at techcleanca.com.
We Help You Maximize Savings
We help Pasadena homeowners identify and apply the right SoCalGas, PWP, and TECH Clean California rebates for their installation. Contact us before buying, since rebate amounts and eligible models change frequently.
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