North San Antonio · ZIP 78258
78258 covers Stone Oak, Sonterra, Champions Ridge and The Vineyard — the heart of north San Antonio's master-planned residential development along US-281. Our North Side branch is on Sonterra Place, so this is one of our fastest response areas. The limestone geology beneath Stone Oak genuinely changes how water behaves here.
Our north side branch at 18210 Sonterra Pl is the closest crew base to this ZIP, covering Stone Oak, Hollywood Park, Shavano Park and the US-281 North corridor. Within 78258 we serve Stone Oak, Sonterra, Champions Ridge, The Vineyard, Arrowhead and Mountain Lodge.
Predominantly 1990s–2010s two-story homes in master-planned communities, with upstairs laundries, multiple bathrooms and high-specification finishes as standard. Attic-mounted HVAC is near-universal, and the oldest sections are now reaching thirty years.
This housing type has a very specific failure profile. Upstairs laundry and bathroom supply failures affect both floors at once. Attic HVAC condensate lines block in San Antonio's summer humidity and overflow into the ceilings below — one of the most common calls we take in Stone Oak. Externally, the karst limestone here absorbs unevenly: shallow soil over rock means storm runoff sheets rapidly and concentrates in the drainage swales between properties.
The losses we attend most often in this ZIP:
Water running right now? Shut it off at the main if you can reach it safely, cut power to affected areas at the breaker if water is near outlets (never stand in water to do it), photograph everything before moving anything, then call (844) 476-1017. Our north side branch dispatches to 78258 around the clock.
Water damage frequently leads to mold, and fire losses almost always involve water too. We handle all three from the same branches: mold remediation with containment and independent verification, and fire and smoke damage restoration including emergency board-up.
In Stone Oak that is an attic condensate line nine times out of ten. The air handler produces gallons of condensate a day in a San Antonio summer, and when the primary drain line blocks, the pan overflows into the ceiling below. Turn the system off at the thermostat to stop adding water and check whether the secondary drain outside is dripping — that is the system telling you the primary has failed. Then call us and an HVAC technician.
It does, and not in the way people expect. Karst limestone means shallow soil over fractured rock, so heavy rain does not soak in — it sheets across the surface and concentrates hard in the low points and drainage swales between properties. Homes at the bottom of a slope can take water that fell several streets away. Keeping swales clear and downspouts discharging well away from the foundation matters more here than in flatter parts of the city.
Our North Side branch is on Sonterra Place, inside this ZIP — this is one of the quickest areas we reach, day or night. If water is running, shut off the main first if you safely can, then call. In two-story homes especially, the first hour determines whether this is a one-floor job or a two-floor one.
We cover all 58 San Antonio ZIP codes. These are the areas closest to 78258.
Our north side branch dispatches to 78258 24 hours a day, 365 days a year.
(844) 476-1017