Astorga plans and builds custom gunite pools across Tomball, where one zip code spans three permitting jurisdictions, the seasonal water table is the real engineering brief, and backyards run from preserved pine forest to brand-new open sky.
One address, three rulebooks
The City of Tomball permits pools inside its limits through its online system, under the current swimming pool and spa code it adopted in 2024. But the city is small and the market isn’t: most Tomball-address homes, including Amira and the Mueschke corridor, are unincorporated Harris County, filing with the county engineer on roughly a ten-business-day review. Woodtrace sits in Pinehurst, on the Montgomery County side of Spring Creek, where ordinary residential construction needs no county building permit but floodplain-adjacent work gets reviewed. Three governments, one town name. Your parcel decides, and we check it first.
The water table is the brief
The USDA maps a soil series literally named Tomball: poorly drained, very slowly permeable, with a seasonal water table within about two and a half feet of the surface from January to May in normal years. That single fact shapes how a pool should be built here: dewatering during excavation, hydrostatic relief designed into the shell, and a schedule that respects the wet season instead of fighting it. Builders who treat Tomball like dry ground discover this mid-dig. We design for it from the first site visit.
Pines on one side, open sky on the other
Tomball is where Houston’s northwest turns into pineywoods. Woodtrace preserved dense native pine and hardwood around its 23-acre lake, so pools there get designed around root zones, shade, and equipment access, with the community’s exterior-modification approval sequenced into the schedule. Amira is the opposite brief: a 554-acre former horse ranch at Mueschke and the Grand Parkway, all open sun and young trees, where shade structures and covered kitchens earn their keep by August. In-city streets and Raburn Reserve sit between the two. The right design starts with which Tomball your backyard actually is.
Pools that came before
This corridor has been building pools for decades, and plenty of them are reaching the age where plaster, tile, coping, and equipment all argue for a proper renovation rather than another patch. If that’s your backyard, our restoration and remodeling work covers it, engineered with the same respect for this ground as a new build.
Common questions
Who issues the pool permit for my Tomball address?
One of three governments, and your mailing address won’t tell you which. The city itself holds about 12,000 people, while the Tomball zip codes hold over 100,000, so most “Tomball” homes are actually unincorporated Harris County, where pools permit through the county engineer’s office with roughly a ten-business-day review. Inside city limits, including Raburn Reserve, permits run through the city’s online portal. Woodtrace sits across the county line in Montgomery County, where the rules run lighter but floodplain review is real. We verify jurisdiction from your parcel first.
What does Tomball’s seasonal water table mean for a pool dig?
The USDA soil series named for Tomball is poorly drained with very slow permeability, and in normal years it holds a seasonal water table within about two and a half feet of the surface from January through May. For a pool excavation that means dewatering planning, hydrostatic relief in the shell design, and honest scheduling around the wet season. It’s engineering, not drama, but only if it’s planned before the dig.
Can a pool work under Woodtrace’s pines?
Usually, with design honesty. Woodtrace preserved its native pine and hardwood forest on purpose, which means root zones, canopy shade, and equipment access shape the layout as much as the pool shape does. Gunite rigs and excavators need a path in. The community also requires exterior modification approval before construction, and we prepare that submission as part of the project.
Does floodplain status matter in Tomball?
It can. Tomball splits between two watersheds: Willow Creek drains about half the city, and Spring Creek, a largely natural channel, takes the north side. The county’s own documentation notes most local flooding happens next to the tributaries. Floodplain pools in unincorporated Harris County carry extra requirements, including an as-built certificate and rules for hauling off excavated fill. We check the maps at the site walk, not after excavation.
Nearby
We also build in Cypress and across the northwest corridor. What a project costs here starts with the Houston pool cost guide. Local facts on this page current as of August 2026.