61/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 48 Google reviews
- Hours
- Mon–Sun 7 AM–6 PM
Best Concrete Contractors in Longmont, CO (2026)
237 concrete contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Longmont: B&M Concrete LLC, CR Score 61/100; 5.0★ from 48 Google reviews; open 7 days a week.
- 8
Best for emergencies (open 24/7): Longmont Concrete, posts 24/7 hours; ranked #8 of 237.
- 40
Most-reviewed: Thrasher Foundation Repair, 602 Google reviews at 4.8★, the most of 237 ranked; ranked #40.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
237 Longmont concrete contractors are ranked here by CR Score, from ten published factors. 16 are open 24/7, 132 open Saturdays and 55 open Sundays, based on posted hours. The median Google rating is 4.8★ across 237 rated businesses.
Top 10 concrete contractors in Longmont at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | B&M Concrete LLC | 61 | 5.0★ (48) | Firestone, 1 mi away | Sat · Sun | Overall |
| 2 | Tellez Concrete and Design LLC. | 60 | 4.9★ (61) | Longmont | Sun · Evenings | — |
| 3 | Garcia Concrete | 60 | 4.9★ (63) | Longmont | Sat | — |
| 4 | Quality Concrete In Colorado | 60 | 5.0★ (118) | Fort Collins, 14 mi away | Sat · Sun · Evenings | — |
| 5 | R R Concrete LLC | 59 | 4.9★ (84) | Longmont | — | — |
| 6 | Reliable Concrete | 58 | 4.7★ (20) | Erie, 1 mi away | Sat · Sun | — |
| 7 | Black Widow Concrete LLC | 58 | 5.0★ (34) | Firestone, 9 mi away | Sat · Sun · Evenings | — |
| 8 | Longmont Concrete | 58 | 5.0★ (6) | Longmont | 24/7 | Emergencies |
| 9 | Ed's Gutierrez Concrete | 58 | 4.6★ (36) | Longmont | Sat | — |
| 10 | Integrity Concrete Coatings | 58 | 5.0★ (30) | Johnstown, 3 mi away | Sat | — |
The 237 best concrete contractors in Longmont, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Longmont
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Concrete contractor”.
- 4.9★ from 61 Google reviews
- Hours
- Mon–Fri 6 AM–10 PM · Sat closed · Sun 6 AM–10 PM
- Address
- 20 Durian Ct, Longmont, CO 80503
Based in Longmont
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 63 Google reviews, listed on Google as “Concrete contractor”.
- 4.9★ from 63 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
- Address
- 9849 E County Line Rd, Longmont, CO 80501
Based in Fort Collins, 14 mi away
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 118 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 118 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun 9 AM–5 PM
Based in Longmont
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 84 Google reviews, listed on Google as “Concrete contractor”.
- 4.9★ from 84 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 500 9th Ave Suite 16, Longmont, CO 80501
Based in Erie, 1 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 20 Google reviews, listed on Google as “Concrete contractor”.
- 4.7★ from 20 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
Based in Firestone, 9 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 34 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
Based in Longmont
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 6 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1532 Tulip Ct, Longmont, CO 80501
Based in Longmont
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.6★ from 36 Google reviews, listed on Google as “Concrete contractor”.
- 4.6★ from 36 Google reviews
- Hours
- Mon–Fri 6 AM–6 PM · Sat 7 AM–12 PM · Sun closed
- Address
- 13920 Weld CoRd 1, Longmont, CO 80504
Based in Johnstown, 3 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 30 Google reviews
- Hours
- Mon–Thu 8 AM–5 PM · Fri–Sat 8 AM–4 PM · Sun closed
Based in Thornton, 14 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 45 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun 8 AM–5 PM
- Address
- 16105 Washington St, Thornton, CO 80023
Based in Johnstown, 15 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 28 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun 9 AM–1 PM
- Address
- 491 Expedition Ln, Johnstown, CO 80534
Based in Thornton, 19 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 46 Google reviews, listed on Google as “Concrete contractor”.
- 4.9★ from 46 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- 3879 E 120th Ave, Thornton, CO 80233
Based in Frederick, 11 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Concrete contractor”.
- 4.6★ from 9 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6296 Clayton St, Frederick, CO 80530
Based in Loveland, 20 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 25 Google reviews, listed on Google as “Concrete contractor”.
- 4.7★ from 25 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1004 Janna Dr, Loveland, CO 80538
#16 BURNCO Firestone
Based in Longmont
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.5★ from 12 Google reviews, listed on Google as “Concrete contractor”.
- 4.5★ from 12 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- 11401 County Rd 9 3/4, Longmont, CO 80504
Based in Loveland, 18 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 226 Google reviews, listed on Google as “Concrete contractor”.
- 4.8★ from 226 Google reviews
- Hours
- Mon–Fri 8 AM–3 PM · Sat–Sun closed
- Address
- 5605 McWhinney Blvd, Loveland, CO 80538
Based in Fort Collins, 3 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 13 Google reviews
- Hours
- Mon–Sat 9 AM–5 PM · Sun closed
Based in Denver, 23 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 129 Google reviews, listed on Google as “Concrete contractor”.
- 4.8★ from 129 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat 7 AM–3 PM · Sun closed
- Address
- 524 Sundown Ln, Denver, CO 80221
Based in Berthoud, 13 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.5★ from 24 Google reviews, listed on Google as “Concrete contractor”.
- 4.5★ from 24 Google reviews
- Hours
- Mon–Sun 6 AM–6 PM
Based in Thornton, 18 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 57 Google reviews, listed on Google as “Concrete contractor”.
- 4.9★ from 57 Google reviews
- Hours
- Mon–Thu 6:30 AM–5 PM · Fri 6:30 AM–4:30 PM · Sat 6:30 AM–1 PM · Sun closed
- Address
- 13475 Harrison Ct, Thornton, CO 80241
Based in Loveland, 18 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 50 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 9 AM–5 PM · Sun closed
- Address
- 3266 Silver Leaf Dr, Loveland, CO 80538
Based in Berkley, 8 mi away
55/100CR ScoreRanked #23 because of its Google rating and review volume: 4.7★ from 109 Google reviews.
- 4.7★ from 109 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Longmont
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Concrete contractor”.
- 4.5★ from 8 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 7 AM–4 PM · Sun closed
- Address
- 507 E 4th Ave, Longmont, CO 80504
#25 Ig Concrete LLC
Based in Longmont
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Sat 7 AM–9 PM · Sun closed
Concrete contractors ranked #26 to #50
#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 237 ranked concrete contractors here; the rest are on their profiles.
Also serving Longmont
20 more concrete 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 |
| Aggregate Industries | 4.0★ (2) | In Longmont |
| Baker Builders | 4.6★ (45) | In Longmont |
| Bedrock Granite LLC | 4.9★ (22) | In Longmont |
| Dawn's Reliable Concrete Service | 5.0★ (2) | In Longmont |
| Green Guys | 4.5★ (49) | In Longmont |
| JBR Fence Solutions | 5.0★ (82) | In Longmont |
| JVN Landscaping, LLC | 4.8★ (21) | In Longmont |
| Lionheart Designz | 5.0★ (16) | In Longmont |
| LSE Builders Group | 4.7★ (18) | In Longmont |
| Mark Young Construction, Inc. | 3.9★ (16) | In Longmont |
| Martinez Landscaping | 2.3★ (7) | In Longmont |
| Modafferi Construction Inc | 3.0★ (6) | In Longmont |
| Ralph L. Wadsworth Construction | 3.1★ (7) | In Longmont |
| Siding Design Pro & SDP Renovation | 5.0★ (33) | In Longmont |
| Steel Structures America | 4.0★ (37) | In Longmont |
| Sun Construction & Facility Services | 3.1★ (28) | In Longmont |
| Timberline Construction | 5.0★ (3) | In Longmont |
| Wood Group Longmont | 4.0★ (12) | In Longmont |
| WT Excavating LLC | 5.0★ (2) | In Longmont |
How much do concrete contractors cost in Longmont?
National price ranges in USD, not adjusted for Longmont. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Concrete driveway | $2,700 | $6,400 | $14,500 | Per driveway: typical range of customer-reported projects (about $8 to $20 per sq ft). US national range | October 2026 |
How we ranked Longmont concrete contractors
We scored 237 Longmont concrete contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Concrete contractors in Longmont: frequently asked questions
Who is the best concrete contractor in Longmont?
By CR Score, the highest-ranked concrete contractor in Longmont, CO is B&M Concrete LLC with a CR Score of 61/100. It has 5.0★ from 48 Google reviews. It is open 7 days a week. Tellez Concrete and Design LLC. (#2) and Garcia Concrete (#3) follow. We ranked 237 concrete contractors on ten factors, last updated October 22, 2026.
How many concrete contractors are there in Longmont?
ContractorsRanked ranks 237 concrete contractors serving Longmont, CO. 12 of them are based in Longmont; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which concrete contractors in Longmont are open 24/7?
16 ranked concrete contractors in Longmont post 24/7 hours. The highest-ranked are Longmont Concrete (#8), Rock solid concrete llc (#14) and Freddy's Concrete Pumping (#15). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which concrete contractors in Longmont work on weekends?
132 of 237 ranked concrete contractors post Saturday hours and 55 post Sunday hours. The highest-ranked open Saturdays are B&M Concrete LLC (#1), Garcia Concrete (#3) and Quality Concrete In Colorado (#4). Posted hours are office hours; crews may book weekend jobs separately.
How much does concrete driveway cost in Longmont?
Concrete driveway typically costs $2,700 to $14,500, with $6,400 typical (Per driveway: typical range of customer-reported projects (about $8 to $20 per sq ft). US national range). This is a national range, not adjusted for Longmont. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Longmont concrete contractors have?
The median Google rating among 237 rated concrete contractors in Longmont is 4.8★, with a median of 14 reviews. Thrasher Foundation Repair has the most, 602 reviews, and ranks #40. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank concrete contractors?
Each concrete contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do concrete contractors outside Longmont count in this ranking?
Yes, if they are within 25 mi of the Longmont city center, our service radius for concrete contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Longmont
- October 2026: CR Scores recalculated for 237 concrete contractors serving Longmont.
- October 2026: 4 duplicate listings merged.
More concrete contractors and Longmont pages
Concrete contractors near Longmont
- Concrete contractors in Gunbarrel, CO301 ranked
- Concrete contractors in Erie, CO382 ranked
- Concrete contractors in Firestone, CO360 ranked
- Concrete contractors in Berthoud, CO202 ranked
- Concrete contractors in Frederick, CO362 ranked
- Concrete contractors in Lafayette, CO438 ranked
- Concrete contractors in Louisville, CO430 ranked
- Concrete contractors in Boulder, CO272 ranked
- Concrete contractors in Superior, CO431 ranked
- Concrete contractors in Johnstown, CO193 ranked
Other trades in Longmont
- Roofers in Longmont920 ranked
- Plumbers in Longmont401 ranked
- Electricians in Longmont277 ranked
- HVAC contractors in Longmont480 ranked
- General contractors in Longmont371 ranked
- Painters in Longmont145 ranked
- Landscapers in Longmont174 ranked
- Handymen in Longmont93 ranked
- Kitchen remodelers in Longmont253 ranked
- Bathroom remodelers in Longmont249 ranked
- Flooring contractors in Longmont219 ranked
- Tile installers in Longmont48 ranked
- Drywall contractors in Longmont17 ranked
- Fence contractors in Longmont124 ranked
- Deck builders in Longmont141 ranked
- Siding contractors in Longmont355 ranked
- Window installers in Longmont396 ranked
- Gutter installers in Longmont124 ranked
- Insulation contractors in Longmont66 ranked
- Solar installers in Longmont191 ranked
- Garage door repair companies in Longmont136 ranked
- Foundation repair companies in Longmont86 ranked
- Tree services in Longmont187 ranked
- Masonry contractors in Longmont87 ranked
- Water damage restoration companies in Longmont466 ranked
- Home builders in Longmont428 ranked
- Demolition contractors in Longmont39 ranked
- All contractors in Longmont