What Granite Bay's homes mean for your water heater repair and replacement
The median Granite Bay home was built in 1987 (Census ACS 2020–2024), which makes typical houses about 39 years old, well past the 10-to-15-year life the U.S. Department of Energy gives for tank water heaters. In many homes the current tank is the second or third. A gas tank needs a proper vent, and the plumbing code requires Type B gas vents to rise at least 5 feet above the water heater, so switching to a tankless or heat pump model changes the vent, gas line or electrical work. Get those changes priced before you decide.
About Granite Bay
Granite Bay's drinking water comes from Folsom Lake through San Juan Water District, and its public sewer is a Placer County sewer maintenance district (SMD 2) rather than a city system, with the Rogersdale area served by SPMUD.
| Population | 21,673 (Census ACS 2020–2024) |
|---|---|
| Median year homes were built | 1987 (about 39 years old) |
| Homes built before 1980 | 39% |
| Homes built in 2000 or later | 20% |
| Owner-occupied homes | 90% |
| County | Placer County (unincorporated) |
| Building permits | Placer County Community Development Resource Agency |
| Gas utility | Pacific Gas and Electric Company (PG&E) |
| Electric utility | Pacific Gas and Electric Company (PG&E) |
| Water supplier | San Juan Water District - Retail Division |
| ZIP codes | 95746 |
Local rules, utilities and conditions in Granite Bay
PG&E supplies natural gas in Granite Bay. If you smell gas near your water heater, leave the house and call 911, then PG&E at 1-800-743-5000, and keep mops, brooms and laundry away from the heater, as PG&E advises. If PG&E is also your electric utility, it estimates a heat pump water heater costs $1,200 to $5,500 and saves about $118 a year when it replaces a gas unit. The statewide incentives many PG&E customers used are closed: TECH Clean California's single-family incentives were fully reserved in November 2025, and Golden State Rebates' retail offers have ended.
Your water comes from San Juan Water District - Retail Division, and its annual Consumer Confidence Report lists the water's hardness. Sacramento-area 2025 reports range from soft lake water, about 13 to 27 mg/L for El Dorado Irrigation District, Folsom and Roseville's Folsom Lake supply, to well water above 200 mg/L in some systems. Harder water means more sediment in a tank and more scale in a tankless unit, so ask the water heater plumber how often to flush yours.
Plan on a building permit from Placer County Community Development Resource Agency for a water heater replacement in Granite Bay; HomeGuide notes most cities require one. The permit brings an inspection of the straps, relief-valve drain, venting, gas connection and expansion tank. It also settles who can do the work: the Contractors State License Board says any job that needs a permit requires a licensed contractor, even if it costs less than $1,000. Ask the plumber to pull the permit and show the fee on the estimate.
Granite Bay sits in the Sierra foothills, where some homes rely on private wells or propane. If your home is on a well, the water may be harder than treated lake water; Sacramento Suburban Water District notes that groundwater tends to be harder than water from rivers and streams. If your water heater runs on propane, confirm the plumber works on propane units. And if the water heater is in an attic or above a finished floor, the plumbing code calls for a drain pan at least 1.5 inches deep with a 3/4-inch drain line.
Wildfire notes for Granite Bay
CAL FIRE's FHSZ maps put roughly 7% of Granite Bay in a Very High zone, 39% in High and 15% in Moderate.
PG&E's reports to the California Public Utilities Commission on the October 2019 Public Safety Power Shutoffs list Granite Bay among the communities on circuits that were shut off.
Foothill communities like Granite Bay face wildfire evacuations. If PG&E shuts off gas to your area during an emergency, PG&E says its gas service representatives visit homes to restore service and relight pilot lights once it is safe. If you find a pilot out on your own, PG&E's advice is to shut off gas at the appliance valve and wait five minutes before relighting. Never relight if you smell gas; leave and call 911.
Neighborhoods in Granite Bay
Calls are connected with providers who serve all of Granite Bay, including:
- Hidden Lakes
- Folsom Lake Estates
- Rogersdale
- Clos du Lac
- Sterling Pointe
Water heater plumber services in Granite Bay
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Granite Bay questions
How much does it cost to replace a water heater in Granite Bay?
Do I need a permit to replace a water heater in Granite Bay?
What rebates can Granite Bay homeowners get for a heat pump water heater?
What should I do if my water heater is leaking in Granite Bay?
Nearby cities
Water heater trouble in Granite Bay? Call (916) 712-7030. The call is free, and Sacramento Water Heater Line will connect you with an independent local water heater plumber. Describe the problem, ask for a written estimate that includes the permit and any code work, and check the license with the CSLB before work begins.
Sources
- American Community Survey 2020–2024 5-year estimates (tables B01003, B25003, B25024, B25034, B25035) — U.S. Census Bureau
- Water heater installation: permits, timing, gas vs electric (FAQ) — HomeGuide
- Energy Saver Guide: Tips on Saving Money and Energy in Your Home (2022) — U.S. Department of Energy
- New and Replacement Water Heater Installations: Selected excerpts from the California Plumbing Code — San Bernardino County Land Use Services, Building and Safety Division
- Gas safety — PG&E
- Building Electrification: electric appliances and heat pumps — PG&E
- Incentives: incentive and rebate updates — TECH Clean California
- Golden State Rebates Program Update (retail rebate offerings have ended) — San Diego Gas & Electric
- 2025 Water Quality Report (Main System) — El Dorado Irrigation District
- 2025 Water Quality Report — City of Folsom
- 2025 Water Quality Report — City of Roseville Environmental Utilities
- 2025 Consumer Confidence Report — Elk Grove Water District
- Hardness of Water — U.S. Geological Survey, Water Science School
- License Requirement for Minor Work Increases from $500 to $1,000 (CSLB #24-07, Dec. 31, 2024) — Contractors State License Board (CSLB)
- Water Heater (Residential or Commercial): Fees by Project — City of Sacramento Community Development
- Hard Water — Sacramento Suburban Water District
- Water Heater Installations (California Plumbing Code excerpts, incl. CPC 507.5 drainage pan) — City of Yorba Linda Building & Safety
- How much does water heater installation or replacement cost? (2026) — HomeGuide
- How Much Does Water Heater Replacement Cost? [2026 Data] — Angi
- Appliance rebates: heat pump water heater (rebate table, program requirements, median installation costs) — SMUD
- Heat Pump Water Heater rebate — Roseville Electric Utility, City of Roseville
- Energy Efficient Home Improvement Credit — Internal Revenue Service
- Check a License — Contractors State License Board (CSLB)
- CAL FIRE Fire Hazard Severity Zones - Local Responsibility Areas, map dated March 24, 2025 (feature service)
- CAL FIRE Fire Hazard Severity Zones - State Responsibility Areas, map of Sept 29, 2023 (adopted Jan 31, 2024) (feature service)
- U.S. Census Bureau TIGERweb - Incorporated Places and Census Designated Places (boundaries used for overlays)
- PG&E report to CPUC: Public Safety Power Shutoff of Oct 9-12, 2019 (CPUC-hosted PDF)
- El Dorado Irrigation District news release, 6/2/2021 (Pioneer Community Energy membership; EID water/wastewater service areas)
- FEMA National Flood Hazard Layer - Flood Hazard Zones (map service)
- OpenStreetMap (Overpass API query for numbered highways / named areas; (c) OpenStreetMap contributors, ODbL)
- PG&E Electric Service Area Maps - tariff sheet 34575-E (Nov 2014): ZIP codes served in all or part
- PG&E Gas Service Area Maps - tariff sheet 31641-G (Nov 2014): PG&E supplies gas in all or portions of listed ZIP codes
- Placer County - Community Development Resource Agency: Building Services Division
- Placer County Public Works, Environmental Engineering & Utilities - Sewer System Management Plans (lists SMD 2 / Granite Bay)
- CEQAnet: SJWD Water Services Replacement Project, Hidden Lakes Subdivisions 1 & 2, Granite Bay (NOE 2025)
- San Juan Water District - Retail Division (about 17 sq mi in Granite Bay; 100% Folsom Lake water)
- SPMUD - History (service area: Rocklin, Loomis, Penryn, Newcastle, Rogersdale area of Granite Bay)
- USGS 3DEP Elevation Point Query Service (documentation)
- Pacific Gas and Electric Company (PG&E)