42companies listed
33cities
26describe their repairs on their website
21offer a free inspection or estimate on their website
Cities in Connecticut
- Stamford3 companies
- Tolland3 companies
- Amston2 companies
- Durham2 companies
- Hamden2 companies
- Seymour2 companies
- Wolcott2 companies
- Ashford1 company
- Bethany1 company
- Bethlehem 1
- Bridgeport 1
- Brookfield 1
- Burlington 1
- Calverton 1
- Cheshire 1
- Danbury 1
- Darien 1
- Enfield 1
- Farmington 1
- Hartford 1
- Hebron 1
- Killingworth 1
- Manchester 1
- Meriden 1
- New Britain 1
- Newington 1
- Newtown 1
- North Branford 1
- Norwich 1
- Ridgefield 1
- Southbury 1
- Wallingford 1
- Waterbury 1
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Companies in CT by type
| Foundation repair specialists | 13 |
|---|---|
| Waterproofing & crawl space | 23 |
| Concrete contractors | 2 |
| Masonry contractors | 3 |
| General contractors | 1 |
Foundation repair cost in Connecticut
Typical ranges in CT
- Crack injection (epoxy or polyurethane), non-structural$256–$818 per crack
- Settling or sinking foundation repair$4,599–$20,440
- Underpinning a foundation$10,220–$30,660
- Bowing basement wall repair$5,110–$15,330
- Concrete slab foundation repair$1,022–$10,220
- Crawl space foundation repair$2,555–$8,176
- Interior basement waterproofing$6,132–$12,264
- Crawl space encapsulation$3–$10 per sq ft
| Repair | Connecticut | Unit | U.S. range |
|---|---|---|---|
| Crack injection (epoxy or polyurethane), non-structural | $256–$818 | per crack | $250–$800 |
| Settling or sinking foundation repair | $4,599–$20,440 | total | $4,500–$20,000 |
| Helical pier, installed | $2,044–$4,088 | per pier | $2,000–$4,000 |
| Steel push pier / piering, installed | $1,022–$3,066 | per pier | $1,000–$3,000 |
| Bowing basement wall repair | $5,110–$15,330 | total | $5,000–$15,000 |
| Concrete slab foundation repair | $1,022–$10,220 | total | $1,000–$10,000 |
| Pier and beam foundation repair | $1,533–$15,330 | total | $1,500–$15,000 |
| Crawl space foundation repair | $2,555–$8,176 | total | $2,500–$8,000 |
| Crawl space encapsulation | $3–$10 | per sq ft | $3–$10 |
| Interior basement waterproofing | $6,132–$12,264 | total | $6,000–$12,000 |
| Mudjacking (slab jacking) | $4–$9 | per sq ft | $4–$9 |
| Foundation inspection | $307–$766 | total | $300–$750 |
National ranges from public cost guides (checked October 2026) × the Connecticut factor ×1.022, from its BEA price level (103.7, U.S. = 100). Local soil, depth to firm ground and access move real quotes more than the state does. Open the calculator for Connecticut.
Foundation repair companies in Connecticut
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Dashed pins are service-area companies. Map data © OpenStreetMap contributors.
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All foundation repair companies in Connecticut
- Residential ResQ LLCWolcott, CT
- Foundation crack repair
- Foundation settlement repair
- House leveling
Free estimateFinancing - Connecticut Foundation Repair LLCDurham, CT
- Foundation inspection
- Foundation crack repair
- Bowing basement wall repair
- Newcity Builders Foundation ReplacementHebron, CT
- Foundation inspection
- Foundation settlement repair
- Foundation waterproofing
- Foundation Sealers-Ct LLCHamden, CT
- Foundation crack repair
- Foundation waterproofing
- Messina Foundations LLCBethlehem, CT
- Foundation waterproofing
- Nadeau Brothers FoundationNewington, CT
- Foundation waterproofing
Free estimate - Connecticut Foundation CorporationDanbury, CT
- Foundation Solutions of NE, LLCAshford, CT
- H-CON Foundation ReplacementTolland, CTFree estimate
- Jp Masonry & Foundation repair ctDarien, CT
- Northeast Foundation CoatingTolland, CT
- Quality Masonry And Foundation RepairBridgeport, CT
- Stamford Foundation Repair & Basement WaterproofingStamford, CT
- American Dry Basement SystemsBrookfield, CT
- Foundation crack repair
- Foundation underpinning
- Crawl space foundation repair
Free estimateWarrantyFinancing - Attack A CrackAmston, CT
- Foundation inspection
- Foundation crack repair
- Foundation settlement repair
Free inspectionWarranty - Basement Systems, Inc.Seymour, CT
- Foundation inspection
- Foundation settlement repair
- Slab foundation repair
Free estimateWarranty - Connecticut Basement SystemsSeymour, CT
- Foundation inspection
- Foundation crack repair
- Foundation settlement repair
Free estimateWarrantyFinancing - Superior Basements CTNewtown, CT
- Foundation crack repair
- Foundation settlement repair
- Helical pier foundation repair
Free estimateFinancing - We Fix CracksStamford, CT
- Foundation crack repair
- Foundation settlement repair
- Garage foundation repair
Free inspectionWarrantyFinancing - Whole Basement Waterproofing Hartford CTHartford, CT
- Foundation crack repair
- Foundation settlement repair
- Foundation underpinning
Free estimate - ACM Basement WaterproofingCalverton, CT
- Foundation crack repair
- Foundation settlement repair
- Crawl space foundation repair
Free estimateWarrantyFinancing - Advanced Basement Solutions Of Connecticut LLCStamford, CT
- Foundation crack repair
- Crawl space foundation repair
- Bowing basement wall repair
- Connecticut Basement WaterproofingMeriden, CT
- Foundation crack repair
- Crawl space foundation repair
- Bowing basement wall repair
Free estimateWarranty - Alpha Basement Waterproofing ConnecticutWaterbury, CT
- Foundation crack repair
- Crawl space foundation repair
- Garage foundation repair
Free estimate
Show all 42 companies
- Bessette ExcavatingHamden, CT
- Foundation crack repair
- Foundation waterproofing
- Crawl space encapsulation
- Frontline Waterproofing And MasonryNew Britain, CT
- Foundation crack repair
- Foundation underpinning
- Foundation waterproofing
- A & A Basement WaterproofingBethany, CT
- Foundation crack repair
- Foundation waterproofing
Free estimateWarranty - CustomPro LLC Basement Waterproofing, Septic, and Drainage.Norwich, CT
- Foundation crack repair
- Foundation waterproofing
Free estimate - United WaterproofingRidgefield, CT
- Foundation waterproofing
- Crawl space encapsulation
Free estimateWarranty - Eastern Waterproofing Co IncManchester, CT
- Foundation waterproofing
- Family masonry and constructionEnfield, CT
- Foundation waterproofing
Free estimate - Michael's Paving and Masonry IncBurlington, CT
- Foundation waterproofing
Free estimate - Budget Dry Basement WaterproofingKillingworth, CT
- Connecticut Dry BasementsCheshire, CT
- Savy & SonsAmston, CT
- All-stone masonry waterproofing chimney repair basement repairFarmington, CT
- AA Outdoor Services LLCSouthbury, CT
- Garage foundation repair
- Foundation waterproofing
Free estimateWarranty - Gargiulo ConstructionDurham, CT
- KAPO Construction & MasonryWolcott, CTFree estimate
- medina's stone workWallingford, CT
- Turcotte Masonry Stucco ConcreteNorth Branford, CTFree estimate
- NE CT Concrete FoundationsTolland, CT
Most named repairs in CT
- Foundation waterproofing
- Foundation crack repair
- Crawl space encapsulation
- Bowing basement wall repair
- Crawl space foundation repair
- Foundation settlement repair
- Foundation underpinning
- Garage foundation repair
- Foundation inspection
- Push pier foundation repair
- House leveling
- Slab foundation repair
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Foundation repair in Connecticut: common questions
How much does foundation repair cost in Connecticut?
Estimates for Connecticut (October 2026): crack injection $256–$818 per crack, a settling or sinking foundation $4,599–$20,440, helical piers $2,044–$4,088 each and basement waterproofing $6,132–$12,264 (interior). Calculate your repair.
Does a foundation repair contractor need a license in Connecticut?
Contractor licensing is set by each state, and some leave it to cities or counties. Some states license this work at state level (for example the CSLB in California, the Registrar of Contractors in Arizona or the DBPR in Florida); others only require registration or local licenses. Check the license or registration number on your state's or city's public lookup before you pay a deposit, and ask for proof of liability insurance.
How are companies in Connecticut chosen?
They come from Google Maps searches for foundation repair in each state; we read each website for the repairs it names. Nobody pays for a position. See how this directory works.