Los Angeles County · Monterey Park, CA
Plumbers in Monterey Park, CA
Monterey Park is in Los Angeles County, California. About 60,000 people live in the 3 ZIP codes we cover here, in roughly 22,000 homes, 56% of them single-family detached houses. The biggest share of the housing was built between 1940 and 1959 (40%), and that age decides most of what goes wrong with the plumbing.
- Same-day service when a plumber is available
- 3 ZIP codes covered
ZIP codes we cover in Monterey Park
91754, 91755, 91756
Monterey Park homes and their plumbing
Here is how Monterey Park's homes break down by year built, based on Census estimates for the covered ZIP codes: before 1940 5%, 1940–1959 40%, 1960–1979 33%, 1980–1999 14%, 2000 or later 8%. 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 Alhambra, Montebello, Rosemead are covered too.
| Year built | Share of homes |
|---|---|
| Before 1940 | 5% |
| 1940–1959 | 40% |
| 1960–1979 | 33% |
| 1980–1999 | 14% |
| 2000 or later | 8% |
Share of housing units in the covered ZIP codes. Census ACS 2023 5-year estimates.
- Residents in covered ZIPs
- 59,589
- Housing units
- 22,070
- Single-family detached
- 56%
- Owner-occupied
- 52%
- Heated with utility gas
- 61%
- Heated with electricity
- 33%
What goes wrong in Monterey Park homes
Pre-1960 homes: galvanized pipe and cast iron
46% of homes in Monterey Park'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
33% 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.
Natural gas in most homes
61% 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.
Common calls in Monterey Park
- Whole-House Repiping in Monterey Park, CA
- Sewer Camera Inspection
- Gas Line Repair
- Water Heater Replacement
- Drain Cleaning
- Main Water Line Repair
- Sewer Line Repair
Also available in Monterey Park: emergency plumbing and every plumbing service.
Monterey Park at a glance
- County
- Los Angeles County
- Nearest city pages
- Alhambra, Montebello
- ZIP codes
- 91754, 91755, 91756
Monterey Park plumbing FAQ
How old are the homes in Monterey Park?
In the ZIP codes we cover around Monterey Park, Census estimates put 46% of homes as built before 1960, 33% from 1960 to 1979, 14% from 1980 to 1999 and 8% in 2000 or later. The largest group is 1940–1959 (40%).
Who licenses plumbers in Monterey Park, 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 Monterey Park usually gas or electric?
Census data for the area show 61% of homes heating with utility gas, 33% 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 Monterey Park homeowners
Nearby areas
Also covered nearby: South Pasadena (4 mi), Maywood (5 mi), San Marino (5 mi), Bell (6 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 Monterey Park, so they may include neighboring communities that share those ZIP codes.
Need a plumber in Monterey Park?
Same-day service when a plumber is available. One call connects you with a licensed plumber who serves your ZIP.