Contra Costa County · San Pablo, CA
Plumbers in San Pablo, CA
San Pablo is in Contra Costa County, California. About 62,000 people live in the ZIP code we cover here, in roughly 21,000 homes, 54% of them single-family detached houses. The biggest share of the housing was built between 1960 and 1979 (31%), and that age decides most of what goes wrong with the plumbing.
- Same-day service when a plumber is available
- 1 ZIP codes covered
ZIP codes we cover in San Pablo
94806
San Pablo homes and their plumbing
Here is how San Pablo's homes break down by year built, based on Census estimates for the covered ZIP codes: before 1940 4%, 1940–1959 28%, 1960–1979 31%, 1980–1999 22%, 2000 or later 17%. With that many older homes, original galvanized supply pipe and cast iron or clay drains are still common, so leaks, rust and root intrusion come up often. Neighboring areas such as Richmond, Berkeley, San Rafael are covered too.
| Year built | Share of homes |
|---|---|
| Before 1940 | 4% |
| 1940–1959 | 28% |
| 1960–1979 | 31% |
| 1980–1999 | 22% |
| 2000 or later | 17% |
Share of housing units in the covered ZIP codes. Census ACS 2023 5-year estimates.
- Residents in covered ZIPs
- 61,749
- Housing units
- 21,360
- Single-family detached
- 54%
- Owner-occupied
- 51%
- Heated with utility gas
- 64%
- Heated with electricity
- 29%
What goes wrong in San Pablo homes
Natural gas in most homes
64% of occupied homes here heat with utility gas, so gas water heaters, ranges and dryers are common. That means gas line extensions for new appliances, flexible connector replacements and venting checks when a water heater is swapped. If you smell gas, leave first and call the gas utility from outside. See gas line repair.
Pre-1960 homes: galvanized pipe and cast iron
31% of homes in San Pablo's covered ZIP codes were built before 1960. Houses that old often still have galvanized steel supply lines that rust closed from the inside, and cast iron or clay sewer pipe that cracks and lets roots in. Weak pressure at upstairs fixtures, brown water after a shutoff and slow drains are the usual clues. Typical fixes are whole-house repiping and a sewer camera inspection.
1960s and 70s homes reaching end of life
31% of the housing here dates from 1960 to 1979. Original copper supply lines in those homes are now 45 to 65 years old, and cast iron drains of that age scale up inside and crack. Seized shutoff valves, pinhole leaks and recurring main-line clogs are common calls. A camera inspection shows the condition of the sewer line before anyone digs.
Common calls in San Pablo
- Gas Line Repair in San Pablo, CA
- Whole-House Repiping
- Sewer Camera Inspection
- Water Heater Replacement
- Drain Cleaning
- Main Water Line Repair
- Sewer Line Repair
Also available in San Pablo: emergency plumbing and every plumbing service.
San Pablo at a glance
- County
- Contra Costa County
- Nearest city pages
- Berkeley, San Rafael
- ZIP codes
- 94806
San Pablo plumbing FAQ
How old are the homes in San Pablo?
In the ZIP codes we cover around San Pablo, Census estimates put 31% of homes as built before 1960, 31% from 1960 to 1979, 22% from 1980 to 1999 and 17% in 2000 or later. The largest group is 1960–1979 (31%).
Who licenses plumbers in San Pablo, CA?
The Contractors State License Board (CSLB) licenses plumbing contractors under the C-36 classification, and its online lookup shows license status.
Are water heaters in San Pablo usually gas or electric?
Census data for the area show 64% of homes heating with utility gas, 29% with electricity. Water heaters often use the same fuel as the home's heat, so utility gas is the most common here, but check the label on your tank before you shop for a replacement.
Guides for San Pablo homeowners
Nearby areas
Also covered nearby: El Cerrito (4 mi), Pinole (4 mi), Hercules (6 mi), Albany (6 mi), Rodeo (7 mi), Belvedere Tiburon (8 mi), Crockett (9 mi), Emeryville (9 mi).
Housing, heating and population figures are US Census Bureau American Community Survey 2023 5-year estimates for the ZIP code areas we cover in San Pablo, so they may include neighboring communities that share those ZIP codes.
Need a plumber in San Pablo?
Same-day service when a plumber is available. One call connects you with a licensed plumber who serves your ZIP.