Costa Mesa plumbing service areas
We cover every part of Costa Mesa, ZIP codes 92626, 92627 and 92628. Each area guide covers its housing, landmarks, access and the plumbing problems we see there.
Quick answer
We serve all of Costa Mesa: Mesa Verde, the Eastside, the Westside near Fairview Park, Central Costa Mesa around the fairgrounds, South Coast Metro and SoBeCa, College Park and Mesa del Mar, in ZIP codes 92626, 92627 and 92628.
- ZIP codes
- 92626, 92627, 92628
- Size
- About 16 square miles
- Built before 1980
- About 73% of homes
- Rented
- About 60% of homes
Choose your part of Costa Mesa
Every area guide is written for that part of town, not copied from the next one. Eastside, Westside and Central boundaries are informal, not official City districts.
- Mesa VerdeZIP 926261960s and 1970s homes around Mesa Verde Country Club.
- Eastside Costa MesaZIP 92627Homes of many ages toward the Back Bay and 17th Street.
- Westside Costa MesaZIP 92627Homes, apartments and industry near Fairview Park.
- Central Costa MesaZIP 92626Around the fairgrounds, Orange Coast College and TeWinkle Park.
- South Coast Metro and SoBeCaZIP 92626South Coast Plaza, the arts district, offices and The LAB.
- College ParkZIP 92626Late-1950s homes on university-named streets between Harbor and Fairview.
- Mesa del MarZIP 92626Early-1960s ranch homes near TeWinkle Park and the fairgrounds.
What changes from one area to the next
The whole city follows the same City permits and Sanitary District rules. What changes is the age and type of housing, how many units share a building, and how much commercial plumbing is nearby.
| Area | Main plumbing focus |
|---|---|
| Mesa Verde | Slab leaks in 1960s and 1970s homes, roots in sewer laterals |
| Eastside | Older homes, remodels and ADUs under the CMSD camera rule, 17th Street restaurants |
| Westside | Mixed homes, apartments and industrial buildings near Fairview Park |
| Central Costa Mesa | Rentals near the colleges, fairgrounds-area businesses, water heater code updates |
| South Coast Metro and SoBeCa | Commercial restrooms, backflow, restaurant drains, condos |
| College Park | Late-1950s homes with original-era supply lines and clay laterals |
| Mesa del Mar | Early-1960s ranch homes and townhomes, slab copper and aging shutoffs |
Not sure who handles the street side? Read who to call for water and sewer and sewer laterals and CMSD rules.
Water where it shouldn't be? Call now.
A real person answers 24 hours a day. You get an honest arrival window and a written price before any work starts.
Questions Costa Mesa homeowners ask
Do you serve all of Costa Mesa?
Yes. We cover all of 92626, 92627 and 92628, from Mesa Verde to South Coast Metro, homes, rentals and businesses alike.
Who supplies water in Costa Mesa?
Mesa Water District serves most of the city from 100% local groundwater. Irvine Ranch Water District serves other parts. Your bill names your supplier.
Are Costa Mesa homes old enough to need plumbing updates?
Many are. The City's Housing Element shows about 73% of homes built before 1980, with the 1960s the largest decade, so original copper, cast iron and clay laterals are common.
Sources
Facts on this page come from these public sources, checked November 1, 2026.