Foundation repair · Manor, Texas
Foundation Repair in Manor, TX
92% very high clay in our sample, young homes on top of it, and no watering in Stage 3.
No town we serve has more very high clay than Manor. In our USDA sample, 92% of Manor's points landed on soil with a very high shrink-swell reading, and not one read low or moderate. Cedar Park, on the limestone side, came in at 0%.
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What have you noticed?
Manor's homes are among the newest we serve, too. The median house dates from 2014, and more than half went up in the 2010s. So in Manor, the question isn't whether the ground moves. It's whether a house, and any repair to it, is built to live with ground that moves both ways: down when it dries, and up when it soaks in water. Here's what the public records show, and what to ask before you sign anything.
Manor's Side of I-35
Manor is well east of the old fault line. Every soil in our 25-point sample is a clay, and all but one read very high:
- Houston Black, 40%. The deep black clay of the prairie. It reads 12.0 from the surface to 80 inches down, with no rock in that depth.
- Heiden, 24%. A clay formed from mudstone that reads 12.1 near the surface and 12.2 a little lower. In the map units we read, a dense layer doesn't start until about 44 to 58 inches down.
- Tinn, 20%. A clay laid down by streams, reading 10.0. The survey maps it in units it labels "frequently flooded."
- Ferris, 8%. It reads 17.0, the highest reading we found in the area.
- Burleson, 4%. A stream-laid clay that reads 8.0, in the high band. One more point landed on water.
Readings over 9 fall in the USDA's very high band. In Manor that's the normal ground, not the exception.
That Tinn label deserves a second look. A soil mapped as frequently flooded doesn't mean your house floods. But if your lot sits low, near a creek, check FEMA's flood map for your address before you plan a repair.
The state geologic map agrees with the soil survey. It puts 72% of the same points on the Navarro and Taylor groups, a mudstone and siltstone from the Late Cretaceous, and 16% on high gravel deposits. Our Round Rock soil guide compares Manor with every town we serve.
Clay that lifts as well as drops. It's easy to think of foundation trouble as a house sinking. On Manor's clay, the other direction matters too. Wet clay swells, and it can push a slab up.
The Foundation Performance Association, a Houston group, has a paper written by repair contractors and consultants in southeast Texas that's frank about this. The repair piers most used on houses there aren't tied to the slab's beams, it says, so they can't stop a slab from rising when the soil heaves. Piers hold a house up. Unless they're designed to, they don't hold it down.
The same group's pile guideline says a repair warranty typically doesn't cover upward movement unless the contract says so. It also leaves out finishes such as drywall and brick. On ground like Manor's, that makes three questions worth asking any company before you sign:
1. What does this repair do if the clay swells, not just if it shrinks? 2. Does the warranty cover upward movement, and for how long? 3. How deep will the piers go? Under Houston Black, the soil survey shows no rock in the top 80 inches, so depth matters.
What Manor Homes Are Built On
Manor counts 5,974 homes. More than half, 52.8%, went up in the 2010s, and 18.1% since 2020. Another 22.4% came in the 2000s. Only 0.7% predate 1960.
New doesn't mean safe on soil like this. Even a house from the 2010s has been through several dry summers on clay that reads over 12. If your house is only a few years old, look for your builder's warranty and read what it says about the foundation before you call anyone.
Many newer Texas slabs are post-tensioned, with steel cables tightened inside the concrete. Those cables have to be found before anyone drills or cuts into the slab. A foundation inspection will tell you what you have and whether it's moving.
- 2014Median year Manor homes were built
- 0.7%Built before 1960
- 94.1%Built in 1990 or later
Source: US Census Bureau, American Community Survey 5-year estimates, 2023.
Permits and Rules in Manor
Manor issues permits for residential foundation repair. Its archived permit reports from 2021 and 2023 list them, under types such as "Residential Foundation."
What we couldn't find is the paperwork the city wants or the fee. Ask the city's development services office before work starts, and ask whether it wants an engineer's plan. Since Manor does issue these permits, a company that says none is needed should be able to tell you why.
Texas engineering law covers the design of repairs to house slabs on expansive soil, unless the work meets the residential code as the local jurisdiction applies it. On clay like Manor's, an engineer's plan is worth having either way, because it's the plan that answers the heave question above. Our permits guide compares the towns.
Watering Rules in Manor
For City of Manor water customers, the city's watering brochure sets out the stages:
- Outside drought stages, even addresses water Thursday and Sunday, and odd addresses Wednesday and Saturday.
- In Stages 1 and 2, watering drops to one day a week by the last digit of your address: 0 or 1 Monday, 2 or 3 Tuesday, 4 or 5 Wednesday, 6 or 7 Thursday, and 8 or 9 Friday. Hand watering is allowed before 10 a.m. or after 7 p.m.
- In Stage 3, the brochure says "no watering."
Foundations aren't named. That Stage 3 rule matters on Manor's clay, because the stage that bans watering will come in a drought, when clay dries out. Two habits help before it arrives. Water evenly on every side of the house while you're allowed to, so the soil isn't already dry going in. And fix the drainage, which needs no water at all: the Texas engineering guidelines call for the ground to fall away from the house by 5% for the first 10 feet, about 6 inches over 10 feet.
Some homes in the Manor area get water from other providers, so check who serves yours. For a routine that keeps the soil evenly moist, see our foundation watering guide.
Foundation Repair Services in Manor
- Slab foundation repair for slabs on Houston Black and Heiden clay
- Foundation inspection for newer houses showing their first cracks
- House leveling when floors drift out of level
- Foundation crack repair to sort a cosmetic crack from a structural one
- Pier and beam repair for raised houses with a crawl space
Manor Foundation Repair Questions
Does Manor really have more clay than other towns?
Among the towns we serve, yes. Our USDA sample put 92% of Manor's points on very high shrink-swell soil. Pflugerville came in at 64% and Round Rock at 24%.
Can repair piers stop my Manor house from rising?
Not always. A paper by southeast Texas repair contractors says the piers most used on houses there aren't tied to the slab's beams, so they can't stop a slab from rising when wet clay swells. Ask whether a proposed repair is designed for upward movement, and whether the warranty covers it.
Does Manor's Stage 3 allow foundation watering?
The city's brochure says there's no watering at all in Stage 3, and it doesn't make an exception for foundations. In Stages 1 and 2, you can water one day a week by address. Check the city's current stage.
Should a crack worry me in a Manor house built after 2010?
It's worth a look. A guide written for HUD on inspecting homes says a half-inch crack in a new building may be a sign of rapid settlement. The same guide says small seasonal movements can make some wall cracks open and close. So measure the crack, and have it checked if it grows or doors start to stick.
Nearby Towns We Serve
Close to Manor, we also serve Round Rock, Pflugerville, Elgin and Hutto.
Elgin, with the oldest homes of the four, has a different surprise: its most common soil starts out sandy, then turns to clay about 8 inches down. See all service areas.
Get a Free Foundation Inspection in Manor
On ground this active, an early look is worth it. Tell us what you've noticed and your ZIP code, and we'll connect you with a foundation repair professional who works in Manor. The visit is free, and you're not committing to anything.
What have you noticed?