Plumber in San Dimas, CA
Full-service plumbing for San Dimas homes, built around this city's hard water and its concentration of 1960s-and-newer slab construction.
What San Dimas Homeowners Call About Most
San Dimas was largely built out after its 1960 incorporation, which means a large share of the city's housing sits on concrete slab foundations from that era, the same construction style that runs copper supply lines directly through the slab and, decades later, produces the slab leak calls we handle regularly here.
Hard water compounds the issue: water heater sediment, faucet wear, and mineral scale in drain lines show up earlier in San Dimas than they would in a softer-water region. This is why we treat water heater and softener calls as routine business here rather than the exception.
Population
34,924 residents as of the 2020 census.
ZIP Code
91773
Water Utility
Golden State Water Company, serving San Dimas since 1976.
Borders
Glendora to the west, Charter Oak and Covina to the southwest, La Verne to the east.
Golden State Water's Hard Water Blend
San Dimas has been served by Golden State Water Company since 1976, drawing on a blend of Main San Gabriel Basin groundwater with imported Metropolitan Water District and Three Valleys Municipal Water District supply. That blend tests hard, consistent with the sediment and scale pattern we see across San Dimas's water heaters and fixtures.
A City Built Around Bonelli Park and the Foothills
San Dimas grew rapidly after incorporation in 1960, and its proximity to Frank G. Bonelli Regional Park and the surrounding foothills means a meaningful number of homes here have larger irrigation systems, a common reason for the backflow testing calls we get from this city specifically.
Named for a Saint, Built Around a Reservoir
San Dimas was originally platted in the 1880s as a town called Mud Springs before being renamed after Saint Dismas, and the name has stuck through more than a century of growth. The city's most recognizable modern landmark is Puddingstone Lake inside Bonelli Park, adjacent to the Raging Waters water park, both draw significant seasonal water use that we factor into backflow and irrigation-related service calls in the surrounding neighborhoods. Homes closest to the park and the lake tend to have the largest irrigation footprints we see anywhere in our service area, which is part of why we stock backflow-testing equipment on every truck rather than dispatching it separately.
San Dimas Plumbing Issue?
Techs dispatching across San Dimas daily.
Plumbing Problems We Fix in San Dimas
Given Golden State Water's hard-water blend, water heater repair is the single most common call we take from San Dimas, followed closely by water softener installation for homeowners who'd rather address the mineral load directly. The city's 1960s-and-newer slab-on-grade tracts also generate a steady stream of slab leak calls. Properties with larger irrigation systems near Bonelli Park keep our backflow testing schedule full as well.
San Dimas Coverage Area
Questions From San Dimas
Yes. Golden State Water Company's blend for San Dimas tests in the hard range, consistent with the sediment and scale issues we regularly treat here.
Given how much of the city was built out after 1960 on slab foundations with embedded copper lines, yes, it's one of the more frequent calls we get from San Dimas specifically.
Yes, we provide certified backflow testing for San Dimas properties, including those with larger irrigation systems common near the park and foothill areas.
No, San Dimas is inside our core service area.
San Dimas incorporated in 1960 and grew quickly afterward, which is exactly why so much of the housing stock here is concentrated in the slab-on-grade construction style of that era and the decades right after.
There are pockets of earlier construction near the original town center, dating back to San Dimas's 1880s founding as Mud Springs, but the majority of the city's housing stock reflects the growth spurt after 1960 incorporation.
Also Serving
San Dimas borders Glendora to the west, close enough that most of our San Dimas calls are on the same route as our regular Glendora dispatch. To the southwest, Charter Oak shares the same Golden State Water supply and a similar mix of older and newer construction.
Slab Leak or Hard Water Trouble in San Dimas?
We dispatch across San Dimas daily, from the flats to the foothills near Bonelli Park.
☎ Call (626) 898-6169