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Foundation Repair & Waterproofing in Charleston, SC

Compare 3 local foundation repair & waterproofing pros. Typical service: $2028–$7468.

Top Foundation Repair & Waterproofing Companies in Charleston

  1. 1.Groundworks Foundation Repair Charleston

    4.7★ (579 reviews)

    4.7★ from 579 reviews

    +18544009998Website

  2. 2.Charlestowne Crawlspace

    5.0★ (50 reviews)

    5.0★ from 50 reviews

    +18435807400Website

  3. 3.Charlestowne Foundations

    1.0★ (1 reviews)

    1.0★ from 1 reviews

    Website

Foundation Repair & Waterproofing Cost in Charleston

Local ranges, adjusted for area wage and cost-of-living data.

ServiceTypical range in Charleston
Foundation repair$2,028–$7,468/job
Foundation pier, installed$922–$2,766/pier
Pier and beam repair$2,766–$8,759/job

Foundation Repair & Waterproofing prices in Charleston run about 8% below the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.

Quotes on this page come from 3 companies serving Charleston, rated 3.6★ on average across 630 customer reviews.

Charleston Climate & Seasonal Timing

What Charleston's weather means for scheduling foundation repair & waterproofing.

Last spring frost
February 6
First fall frost
December 23
Annual precipitation
44.42"
Heating degree days
1,736
Cooling degree days
2,375
MonthLowHighPrecip
Jan42.8°56.7°2.94"
Feb45.5°59.6°2.51"
Mar51.6°65°3.3"
Apr58.8°72°2.53"
May67.1°78.7°2.16"
Jun74°84.5°4.65"
Jul76.9°87.6°5.4"
Aug76.1°86.4°6.71"
Sep71.8°82°5.76"
Oct62.5°74.6°3.67"
Nov53.6°67.3°2.19"
Dec45.6°59.5°2.6"

NOAA station data 4.64 miles from Charleston.

Permits & Regulations in SC

  • South Carolina requires Residential Builders Commission registration for residential specialty work over $500
  • Specialty registration requires an affidavit of experience rather than an exam
  • Electrical, plumbing and HVAC work always needs the appropriately licensed trade, whatever the job size

License required: SC Residential Specialty Contractor registration (work over $500)

Sources: llr.sc.gov

Foundation Repair & Waterproofing FAQs for Charleston

How much does foundation repair cost in Charleston?

Foundation repair in Charleston typically runs $2028-$7468; jobs needing many piers cost more.

How many foundation repair companies serve Charleston?

We track 3 foundation repair companies serving Charleston.

Is foundation repair in Charleston more expensive than average?

Concrete and foundation labor in Charleston runs about -7.8% versus the national average.

Does foundation repair need a permit in Charleston, SC?

In SC, South Carolina requires Residential Builders Commission registration for residential specialty work over $500. Structural foundation work in Charleston generally needs a building permit, and many jobs call for an engineers report.

Does rainfall affect foundations in Charleston?

Soil that swings between wet and dry moves foundations; Charleston gets about 44.42 inches of rain a year, so gutters and grading that keep water away are the first fix.

Do hot summers cause foundation problems in Charleston?

Long dry spells with highs near 88F shrink clay soils under Charleston homes, which is when new cracks tend to show.

How many quotes should I get for foundation repair in Charleston?

At least three; with 3 foundation companies serving Charleston, compare the number and type of piers each proposes and the warranty.

What are the signs I need foundation repair in Charleston?

Sticking doors, stair-step cracks in brick and sloping floors are the usual signs; a Charleston inspection is often free before a $2028-$7468 repair.