Home Addition & Remodeling Contractor | Tolland County, CT
Lagace Construction is a family-owned home addition and remodeling contractor based right in Andover, CT — the heart of Tolland County. For over 25 years, we’ve been the go-to crew for homeowners across all twelve towns in Tolland County who want additions, kitchen remodels, bathroom renovations, garage builds, and new construction done right, on time, and at a clear price.
Tolland County’s blend of rural character, newer subdivisions, and classic New England housing stock means our work here spans everything from adding second-story suites on 1960s cape cods in Coventry to building high-end kitchen and bath packages on newer colonials in Tolland town. We know the local building departments, the local geography, and the local housing — and we’re quicker to an on-site estimate in Tolland County than any contractor based in Hartford or beyond.
Towns We Serve in Tolland County, CT
- Andover
- Bolton
- Columbia
- Coventry
- Ellington
- Hebron
- Mansfield
- Somers
- Stafford
- Tolland
- Vernon
- Willington
Services We Offer Throughout Tolland County
- Home Additions — Single-story rooms, second-floor additions, in-law suites, and ADU conversions
- Kitchen Remodeling — Full design-build kitchens with cabinetry, countertops, and layout changes
- Bathroom Remodeling — Master baths, family baths, full conversions, tile, and vanities
- Garage Construction — Detached and attached garages, 1–3 bay builds
- Basement Finishing & ADUs — Convert basement to living space or income-producing unit
- Decks, Roofing & Siding — Composite decks, full roof replacements, exterior siding
- New Home Construction — Custom ground-up builds, land prep through final walkthrough
Why Tolland County Homeowners Choose Lagace Construction
We’re not a regional franchise or a subcontracting middleman — we’re a family-owned crew that shows up every day. Scott Lagace has been hands-on in the field for 25+ years, and every project gets the same attention whether it’s a $15,000 deck or a $300,000 addition.
- CT Licensed & Insured — NHC #NHC-0016939, Electrical #E1-00191661
- 4.9 stars on Google across 40+ reviews
- In-house crew — no rotating subs for core carpentry work
- Clear written estimates with line-item pricing
- We pull all permits and handle all town inspections
Frequently Asked Questions — Tolland County, CT
Do you serve all towns in Tolland County?
Yes — we work in all twelve Tolland County towns: Andover, Bolton, Columbia, Coventry, Ellington, Hebron, Mansfield, Somers, Stafford, Tolland, Vernon, and Willington. As a Tolland County-based contractor, this is our primary service area and where we maintain the shortest estimate turnaround times.
How much does a home addition cost in Tolland County?
Home addition costs throughout Tolland County typically range from $150 to $350 per square foot depending on scope, foundation type, and finish level. Single-story slab-on-grade additions run $180–$220/sq ft; second-floor additions average $200–$250/sq ft. We provide a detailed written estimate with line-item pricing for every project — no vague ballparks.
Do you know the local building departments in Tolland County?
Absolutely. We’ve worked with building officials across Tolland County over 25+ years. We pull all permits ourselves, submit all required documentation, and manage every inspection — so you don’t have to navigate town hall on your own.
How soon can you come out for an estimate?
For projects within Tolland County, we can typically schedule an on-site estimate within a week of your first call. We’ll walk the scope with you, take measurements, and follow up with a written estimate within 5 business days. Call Scott directly at (860) 933-2700 to get on the calendar.
Get a Free Estimate in Tolland County
Call Scott directly at (860) 933-2700 or submit a request online. We’ll come to your property anywhere in Tolland County, walk the scope with you, and deliver a written estimate — usually within 5 business days.
Lagace Construction LLC
Based in Andover, CT | Serving All of Tolland County
CT Licensed & Insured — NHC #NHC-0016939 | Electrical #E1-00191661
(860) 933-2700 | lagaceconstruction.com

