371 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Longmont: Mile High Radon Control, CR Score 90/100; 5.0★ from 144 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Home Improvement Boulder, posts 24/7 hours; ranked #2 of 371.
Most-reviewed: Josh Brooks Construction and Renovation inc., 115 Google reviews at 4.1★, the most of 371 ranked after Mile High Radon Control; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
371 Longmont general contractors are ranked here by CR Score, from 8 published factors. 23 are open 24/7, 107 open Saturdays and 42 open Sundays, based on posted hours. The median Google rating is 5.0★ across 371 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mile High Radon Control | 90 | 5.0★ (144) | Broomfield, 14 mi away | Sat · Sun | Overall |
| 2 | Home Improvement Boulder | 89 | 5.0★ (34) | Berthoud, 10 mi away | 24/7 | Emergencies |
| 3 | GIMA RENOVATION | 88 | 4.9★ (40) | Evans, 12 mi away | 24/7 | — |
| 4 | Big Bear Construction | 88 | 5.0★ (20) | Erie, 8 mi away | 24/7 | — |
| 5 | Bull Stripers | 87 | 5.0★ (31) | Derby, 15 mi away | 24/7 | — |
| 6 | Josh Brooks Construction and Renovation inc. | 86 | 4.1★ (115) | Cherry Hills Village, 3 mi away | Sat · Sun · Evenings | Most reviews |
| 7 | Construction Guru LLC | 85 | 4.9★ (61) | Windsor, 23 mi away | 24/7 | — |
| 8 | Earthscapes LLP | 85 | 4.8★ (25) | Fort Lupton, 17 mi away | 24/7 | — |
| 9 | Mile High Masters Remodeling | 85 | 5.0★ (32) | Commerce City, 24 mi away | 24/7 | — |
| 10 | TRISPEC, LLC | 85 | 5.0★ (25) | Greeley, 21 mi away | 24/7 | — |
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 review volume: 5.0★ from 144 Google reviews, the most Google reviews on this list (144).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Berthoud, 10 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 34 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Evans, 12 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 40 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Erie, 8 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 20 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Derby, 15 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 31 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cherry Hills Village, 3 mi away
Ranked #6 because of its Google rating and trade focus: 4.1★ from 115 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Windsor, 23 mi away
Ranked #7 because of its Google rating and availability: 4.9★ from 61 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fort Lupton, 17 mi away
Ranked #8 because of its Google rating and availability: 4.8★ from 25 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Commerce City, 24 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 32 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greeley, 21 mi away
Ranked #10 because of its Google rating and availability: 5.0★ from 25 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Boulder, 7 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Boulder, 13 mi away
Ranked #12 because of its Google rating and trade focus: 4.7★ from 33 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Firestone, 12 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Westminster, 21 mi away
Ranked #14 because of its Google rating and availability: 4.5★ from 23 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Westminster, 18 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 11 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Loveland, 16 mi away
Ranked #16 because of its Google rating and availability: 5.0★ from 9 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Broomfield, 11 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Frederick, 3 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Milliken, 17 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Berthoud, 11 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Erie, 8 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Loveland, 19 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Construction company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Fort Collins, 1 mi away
Ranked #23 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 Firestone, 14 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Thornton, 22 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.
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 371 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 |
|---|---|---|
| 3model Construction, LLC | 4.6★ (18) | In Longmont |
| Advantage Stone Fabrication | 4.9★ (60) | In Longmont |
| Arrow Sewer & Drain | 5.0★ (41) | In Longmont |
| B's Builders & Roofing | 4.8★ (20) | In Longmont |
| Boulder Roofing and Contracting | 4.7★ (15) | In Longmont |
| Denny's Roofing, LLC | 5.0★ (58) | In Longmont |
| Drain Solvers The Pros | 4.7★ (51) | In Longmont |
| Flatirons Outdoor Living | 5.0★ (42) | In Longmont |
| Green Spot | 4.5★ (54) | In Longmont |
| Little Home Builder | 4.7★ (25) | In Longmont |
| Master Touch Remodeling | Kitchen Remodeling | 4.7★ (23) | In Longmont |
| Mountain Brook by Dream Finders Homes | 3.1★ (23) | In Longmont |
| Mountain View Landscaping & Concrete | 4.8★ (47) | In Longmont |
| Nixcavating, Inc. | 4.5★ (21) | In Longmont |
| O'Keefe Built | 4.8★ (88) | In Longmont |
| Schwabees Landscaping and Construction | 4.6★ (23) | In Longmont |
| Steve's Plumbing | 3.6★ (14) | In Longmont |
| TLC Gardens | 3.5★ (11) | In Longmont |
| Ward Electric Company, Inc. | 3.3★ (33) | In Longmont |
| Zach Of All Trades, Llc | 5.0★ (13) | In Longmont |
Typical prices in USD, adjusted for Colorado with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Kitchen remodel | $14,610 | $27,020 | $41,660 | Per project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 1.00 Mountain factor (2025 Cost vs. Value Report) | October 2026 |
| Bathroom remodel | $6,340 | $11,590 | $16,840 | Per bathroom: typical range of customer-reported remodels. US national range × 0.95 Mountain factor (2025 Cost vs. Value Report) | October 2026 |
We scored 371 Longmont 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 Longmont 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 |