

Foundations in Connecticut
Foundations contractors in Connecticut
Footings, stem walls, slabs, piers and basement walls formed and poured to the plans and inspected before backfill.
Project guide
Hiring foundations contractors in Connecticut
Foundation contractors build the part of the structure that carries everything above it into the ground: spread footings below frost depth, stem walls or basement walls, monolithic and slab-on-grade foundations, and pier or grade beam systems where soils are poor. The work follows the stamped plans and the geotechnical report, and it is inspected at fixed points, usually the open footing trench with rebar in place before the pour, then again before the slab and before backfill. Frost depth sets the footing bottom, from about twelve inches in the Gulf states to four feet or more across the northern tier. Waterproofing or dampproofing, a footing drain and free-draining backfill are what keep a basement dry, and they are cheapest to do right while the wall is still exposed.
GradeLine lists 67 foundations contractors that serve Connecticut.Compare their work and equipment, then confirm availability and service area before requesting a quote.
Listed businesses are based in , Middlebury, Killingworth, Uncasville, Litchfield, Roxbury, though most crews travel well beyond their home city.
What foundations work costs
Slab-on-grade foundations typically run $6 to $14 per square foot of footprint, crawl spaces $8 to $20, and full basements $30 to $100 or more depending on depth, wall height and waterproofing. A foundation for a typical 2,000 square foot house therefore ranges from roughly $12,000 for a simple slab to $60,000 or more for a basement in a cold climate.
Ranges are national and approximate; regional labor rates, material prices and site conditions move them in both directions.
Common projects
- Monolithic and slab-on-grade foundations for houses, garages and shops
- Crawl space and full basement foundations with footings, walls, drainage and waterproofing
- Pier, grade beam, helical and drilled pier foundations, plus foundation repair and underpinning
What affects a quote
- Foundation type, footprint, wall height and the rebar and concrete volume the plans call for
- Excavation depth, soil bearing capacity, groundwater and any over-excavation or engineered fill
- Formwork, pumping, waterproofing, footing drains, anchor bolts and backfill
Foundations FAQ
What does foundations work cost?
Slab-on-grade foundations typically run $6 to $14 per square foot of footprint, crawl spaces $8 to $20, and full basements $30 to $100 or more depending on depth, wall height and waterproofing. A foundation for a typical 2,000 square foot house therefore ranges from roughly $12,000 for a simple slab to $60,000 or more for a basement in a cold climate.
What should I share when requesting a foundations estimate?
Send the stamped structural plans, the soil report, the survey with corner stakes and elevations, the truck access route, and the framing start date the foundation has to be ready for.
What can change the cost of foundations work in Connecticut?
The main cost items are foundation type, footprint, wall height and the rebar and concrete volume the plans call for; excavation depth, soil bearing capacity, groundwater and any over-excavation or engineered fill; formwork, pumping, waterproofing, footing drains, anchor bolts and backfill. A site visit helps the crew see which ones apply.
Do foundations projects in Connecticut need permits?
Foundation work is always covered by the building permit, and the footing inspection has to pass before any concrete is placed. Many jurisdictions also require a foundation survey or as-built before framing to confirm setbacks, and engineered systems need the engineer's letter of observation.
Directory
Foundations contractors serving Connecticut
67 contractors found


Booths Excavating and Outdoor Services LLC
Middlebury, CTNaugatuck Valley County
driveways, excavation, foundations, grading, land clearing, retaining walls

First Class Hardscape and Excavation LLC
Killingworth, CTMiddlesex County
excavation, foundations, grading, retaining walls, site prep

A & B Excavation and Concrete
Uncasville, CTNew London County
demolition, driveways, erosion control, excavation, foundations, grading
20 years in business

EarthTech+
Litchfield, CTLitchfield County
driveways, erosion control, excavation, foundations, grading, land clearing

Advanced Industries
driveways, excavation, foundations, grading, land clearing, pond water management

Advanced Construction
New Milford, CTLitchfield County
driveways, excavation, foundations, grading, land clearing, pond water management

Pigan Landscaping & Excavation
Brookfield, CTFairfield County
excavation, foundations, grading, septic systems, site prep, trenching underground

Dequip LLC - Excavating Services
New Britain, CTHartford County
excavation, foundations, grading, hauling trucking, land clearing, retaining walls

Rolocut Construction LLC
Windsor Locks, CTHartford County
driveways, excavation, foundations, grading, land clearing, septic systems

Gregory Construction LLC
Warren, CT
driveways, excavation, foundations, grading, land clearing, retaining walls

RAR Excavating & Building
Torrington, CTLitchfield County
driveways, excavation, foundations, grading, pond water management, retaining walls
41 years in business


Oly Mattera Construction
Bethel, CTWestern Connecticut County
concrete flatwork, demolition, driveways, erosion control, excavation, foundations
65 years in business

TMC Excavating LLC
Washington, CTLitchfield County
driveways, excavation, foundations, grading, hauling trucking, septic systems
25 years in business

Butts Bros Excavation LLC
Bethel, CTWestern Connecticut County
demolition, driveways, excavation, foundations, grading, land clearing

Brainard Excavating
Old Saybrook, CTMiddlesex County
driveways, excavation, foundations, grading, pond water management, retaining walls
41 years in business

Orlando Excavations Inc
excavation, foundations, pond water management, site prep
30 years in business


Lorusso Construction LLC
demolition, excavation, foundations, hauling trucking, land clearing, site prep
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