Serving Mount Pleasant
Foundation Repair in Mount Pleasant, SC
Shallow water and mostly newer homes set Mount Pleasant apart. Request a free estimate from a licensed and insured contractor.
Foundation Help in Mount Pleasant, SC
Foundation Pros of Charleston helps with foundation repair in Mount Pleasant, a harbor-side town of about 94,000 people. Owners call us about cracked walls, gaps at windows and floors that slope.
A newer house can still move. Wet ground, fill and poor drainage do not care how young a home is.
The town sits in Charleston County. Its building office runs an online portal, covered in the permits section below.
What the Ground Looks Like in Mount Pleasant
We sampled the federal soil survey at 29 points across the town. Eight landed on open water, such as the harbor and creeks. The other 21 are natural soil.
At 13 of those 21, the survey puts the shallowest yearly water table at the surface. Twelve are poorly or very poorly drained. Six carry a frequent or very frequent flood rating.
Shrink-swell is low at 20 points and moderate at one. That points to water and soft ground, not clay that swells. Soil can change within a block, so check your own lot on the Web Soil Survey.
Where water is the cause, drainage and water control may be part of the fix. In a crawl space, look at encapsulation and vapor barriers.
Source: USDA NRCS Soil Data Access, queried October 6, 2026.
Mount Pleasant Neighborhoods
The American Community Survey (2020 to 2024 five-year estimates) counts about 44,400 homes in Mount Pleasant. The middle home was built in 2000. About 30 in 100 went up before 1990, and about 29 in 100 in 2010 or later.
Nearly three in four households own their home. About 64 in 100 homes are single-family houses.
The Census does not list foundation types, and age alone does not tell you what is under a house. Numbers are estimates with a margin of error.
Building Permits and Inspections in Mount Pleasant
The town has a Building Inspections Division and an online permitting portal it calls OPAL. Its page says applicants can follow a request through review there.
The town sits in Charleston County, so the county office is listed as a shortcut. Neither page says which addresses each office covers. If you are unsure, call the town first.
| Office | Where | Phone | Hours |
|---|---|---|---|
| Town of Mount Pleasant, Building Inspections Division | 100 Ann Edward Ln., Mount Pleasant, SC 29464 | 843-884-5184 | Monday to Friday, 8:00 a.m. to 4:30 p.m. |
| Town online permitting portal (OPAL) | Online, through the town page | See the town page | See the town page |
| Charleston County, Building Inspection Services | 4045 Bridge View Dr., North Charleston, SC 29405 | (843) 202-6930 | Monday to Friday, 8 a.m. to 5 p.m. |
Details change, so trust the official pages. Checked October 6, 2026. We do not give permit advice.
Our 5-Step Process in Mount Pleasant
- Tell us what you see. Call or use the form. Say where cracks, gaps or sticking doors show up.
- Check the water. A visit starts with downspouts, grading and wet spots, because the water table runs shallow here.
- Look at the structure. The contractor then checks footings, walls and floors for movement.
- Choose a foundation repair. You get the options in writing. Ask what each one fixes.
- Finish and review. The contractor goes over the finished work with you. If a permit applies, the office that covers your address handles it.
More Services from Foundation Pros of Charleston
- Foundation Repair & Piering
- Crawl Space Encapsulation & Vapor Barriers
- Foundation & Crawl Space Wall Repair
- Concrete Leveling & Polyjacking
- Drainage & Water Control
- Floor Joist, Girder & Sagging Floor Repair
- Crawl Space Dehumidifier & Moisture Control
- House Raising & Flood Elevation
- Foundation Inspection & Structural Evaluation
Foundation Questions in Mount Pleasant, SC
Why would a newer Mount Pleasant home have foundation trouble?
Age is only part of it. Wet ground, fill and drainage can move a footing at any age. The soil survey shows a shallow water table at many mapped points in town.
Where do I apply for a permit in Mount Pleasant?
The town page points to its online portal, OPAL, and its Building Inspections Division. Whether you need a permit depends on the work and the address. Ask the town office first.
Does flood-prone ground affect foundations in Mount Pleasant?
It can. Six of the 21 natural-soil points carry a frequent or very frequent flood rating in the soil survey. An inspection shows how that applies to your lot.
Foundation Repair Near You
Get Your Free Estimate in Mount Pleasant
Tell us what you see at your Mount Pleasant home. A licensed and insured contractor can check the water and the structure, then give you a free estimate for foundation repair in Mount Pleasant.