Serving Eastern CT
(401) 479-1472
R
Roberts ExcavationPlainfield, CT
Home/Services/Basements

Basement Excavation

New basement excavation and existing basement expansion services.

Free estimates — straight to DJ

Fastest route: pick up the phone. Email works too.

Basement Depth Guide

8 ft

Standard Basement

Most residential new construction

9 ft

Tall Ceiling Basement

Finished living space, extra headroom

10+ ft

Walkout / Daylight

Sloped lot with full-height walkout wall

Precision Excavation

Basement excavation requires exact depth control, proper water management, and coordination with your foundation contractor.

GPS-guided depth control
Water table assessment
Foundation coordination
Structural engineering support

Types of Basement Projects

New Construction

Full basement dig for new home builds

Addition

Dig under existing structure

Crawl to Full

Convert crawl space to basement

Local knowledge

Basement digs on Eastern CT lots: ledge, water, and walkouts

Windham and New London counties sit on a mix of glacial till and underlying bedrock that varies from dozens of feet deep to inches below grade within the same town. Ledge is the single biggest variable in a basement dig. We do test pits during site evaluation when ledge is suspected, so a quote reflects actual conditions rather than an optimistic guess that turns into a change order. Extensive ledge gets handled with hydraulic hammer work; blasting requires a licensed contractor and adds permitting time.

Walkout and daylight basements are common on Eastern CT's sloped lots — a real advantage on properties with a grade change of 6 feet or more. The math is simple: if one side of the house can expose a full-height wall with a door, the buyer gets a usable basement with natural light and the builder gets a premium footprint. We coordinate the foundation elevation with the structural engineer and the lot grading plan to hit the walkout opening exactly.

Water table management is where most basement problems start. A basement excavated in spring through a high water table without proper dewatering, footing drains, and perimeter drainage ends up with a wet foundation regardless of how well the concrete was poured. We install dewatering during dig as needed, prep for both interior French drain/sump and exterior footing drains, and coordinate with waterproofing contractors before backfill. A modest scope add at excavation prevents a massive remediation bill later — it pays for itself many times over.

Frequently asked

Basements questions we hear on every quote

Don't see yours? Call (401) 479-1472 — we answer.

Ready to Start Your Basements Project?

Free estimates for all projects in Eastern CT