125 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Groton: Mohawk Northeast Inc, CR Score 88/100; 4.6★ from 31 Google reviews.
Best for emergencies (open 24/7): Superior Improvements, posts 24/7 hours; ranked #2 of 125.
Most-reviewed: B & L Construction, 93 Google reviews at 4.7★, the most of 125 ranked; ranked #23.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
125 Groton general contractors are ranked here by CR Score, from 8 published factors. 11 are open 24/7, 42 open Saturdays and 19 open Sundays, based on posted hours. The median Google rating is 4.7★ across 125 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mohawk Northeast Inc | 88 | 4.6★ (31) | Groton | — | Overall |
| 2 | Superior Improvements | 87 | 4.7★ (14) | Groton | 24/7 | Emergencies |
| 3 | Old School Contracting LLC | 87 | 4.5★ (13) | Waterford, 5 mi away | 24/7 | — |
| 4 | JH Outdoor Services LLC | 85 | 5.0★ (19) | Norwich, 14 mi away | 24/7 | — |
| 5 | Bouchey Builders LLC | 85 | 4.9★ (85) | East Haddam, 10 mi away | Sat · Sun | — |
| 6 | Luke Cahoon Building & Remodeling | 85 | 3.3★ (7) | Groton | 24/7 | — |
| 7 | Brewster Home Improvement LLC | 85 | 5.0★ (11) | New London, 2 mi away | Sat · Sun · Evenings | — |
| 8 | Jan Electronic Supplies Inc | 84 | 4.7★ (43) | New London, 1 mi away | Sat | — |
| 9 | McClure Construction | 83 | 4.8★ (10) | Groton | — | — |
| 10 | Breachway Building Co. | 82 | 5.0★ (11) | Ledyard, 11 mi away | Sat · Sun | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.6★ from 31 Google reviews, listed on Google as “Construction company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Groton
Ranked #2 because of its Google rating and availability: 4.7★ from 14 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waterford, 5 mi away
Ranked #3 because of its Google rating and availability: 4.5★ from 13 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Norwich, 14 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 19 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Haddam, 10 mi away
Ranked #5 because of its Google rating and review volume: 4.9★ from 85 Google reviews, 85 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Groton
Ranked #6 because of its Google rating and availability: 3.3★ from 7 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New London, 2 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New London, 1 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 43 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Groton
Ranked #9 because of its Google rating and trade focus: 4.8★ from 10 Google reviews, listed on Google as “Contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Ledyard, 11 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ledyard, 7 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New London, 1 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Norwich, 15 mi away
Ranked #13 because of its Google rating and availability: 4.3★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Haddam, 16 mi away
Ranked #14 because of its Google rating and availability: 4.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waterford, 4 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “General contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Enfield, 23 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ledyard, 7 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Conning Towers-Nautilus Park, 7 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ledyard, 5 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “General contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Groton
Ranked #20 because of its Google rating and trade focus: 4.5★ from 6 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ledyard, 14 mi away
Ranked #21 because of its Google rating and availability: 3.7★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Haddam, 17 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Old Saybrook, 16 mi away
Ranked #23 because of its Google rating and review volume: 4.7★ from 93 Google reviews, the most Google reviews on this list (93).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charlestown, 24 mi away
Ranked #24 because of its Google rating and availability: 4.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Westerly, 13 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 125 ranked general contractors here; the rest are on their profiles.
20 more general contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| A/Z Corporation | 4.5★ (11) | In Groton |
| Advanced Construction | 4.5★ (42) | In Groton |
| BluPerry services, LLC | 5.0★ (9) | In Groton |
| Calvary Remodeling | 4.7★ (40) | In Groton |
| CD Roofing | 5.0★ (34) | In Groton |
| Cyr Painting & Restoration | 4.9★ (22) | In Groton |
| DAY + AGE STUDIO | 5.0★ (7) | In Groton |
| ESTABLISHED HOMES | 4.7★ (12) | In Groton |
| Gencarella Drywall & Remodeling | 4.3★ (6) | In Groton |
| Get It Dunn | 5.0★ (6) | In Groton |
| I Gotta Guy | 5.0★ (11) | In Groton |
| Industrial Engineers Inc | 4.7★ (9) | In Groton |
| J&J Plumbing and Heating LLC | 5.0★ (19) | In Groton |
| JS and R Roofing LLC | Roofing Company | Roofer | Siding | Gutters | 4.9★ (37) | In Groton |
| King Garage Door Repair | 4.7★ (18) | In Groton |
| Premo & Son's Home Improvement LLC | 5.0★ (10) | In Groton |
| Roto-Rooter Plumbing & Water Cleanup | 4.9★ (195) | In Groton |
| Williams & Associates Mechanical Contracting INC | 4.6★ (18) | In Groton |
| YUNG CONSTRUCTION & REMODELING LLC, | 4.9★ (13) | In Groton |
| Zimmerman Roofing and Construction, LLC | 4.7★ (19) | In Groton |
Typical prices in USD, adjusted for Connecticut with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Kitchen remodel | $14,840 | $27,440 | $42,320 | Per project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 1.02 New England factor (2025 Cost vs. Value Report) | October 2026 |
| Bathroom remodel | $7,010 | $12,810 | $18,620 | Per bathroom: typical range of customer-reported remodels. US national range × 1.05 New England factor (2025 Cost vs. Value Report) | October 2026 |
In Connecticut, Connecticut Department of Consumer Protection licenses Home improvement contractor registration for residential work.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
We scored 125 Groton general contractors on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Groton data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |