Licensed · Longmont
Licensed & Insured Plumbers in Longmont, CO
Every plumbers listed here carries proper licensing and insurance in CO. Protect yourself — always verify credentials before work begins.
As of July 2026, RatingsNearMe ranks 15 plumbers in Longmont, CO by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is M and M Heating, Cooling, Plumbing and Electrical with a 4.9-star rating from 3,288 Google reviews and an RNM Score of 87/100. Also in the top tier: Mountain Valley Plumbing and Heating and TNT Home Services - Longmont. The average rating across all listed plumbers in Longmont is 4.9 stars from 394 reviews per business on average.
Plumbing repairs in Longmont average $150–$500 for common fixes. Emergency calls and major work (sewer line, water heater) run $500–$3,000+.
Rankings updated July 4, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Best Overall
M and M Heating, Cooling, Plumbing and Electrical
This business is top-ranked for its comprehensive range of services, strong local reputation, and being a one-stop shop for heating, cooling, plumbing, and electrical needs in Longmont.
Most Reviewed
M and M Heating, Cooling, Plumbing and Electrical
A high review count indicates broad customer experience and trust, making it a reliable indicator of consistent service quality.
When choosing a plumber in Longmont, consider the scope of services each company offers and read recent reviews to ensure they match your specific needs. For urgent issues, confirm availability and response times, especially for companies like TNT Home Services that may prioritize emergency calls.
Local Market Snapshot
15
Businesses listed
4.9★
Avg rating
394
Avg reviews
Jul 4, 2026
Last updated
Top Rated Plumbers
Longmont's top-rated plumber with a 4.9★ average from over 3,200 reviews.
110 S Bowen Cir, Longmont, CO 80501, USALongmont plumber with 790 reviews averaging an exceptional 4.9-star rating.
210 Collyer St, Longmont, CO 80501, USATrusted by hundreds of local customers with an exceptional 4.8-star rating.
525 3rd Ave, Longmont, CO 80504, USAPlumbers Rankings in Longmont, CO
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | M and M Heating, Cooling, Plumbing and Electrical110 S Bowen Cir, Longmont, CO 80501, USA | 4.9★ | 3,288 |
| #2 | Mountain Valley Plumbing and Heating210 Collyer St, Longmont, CO 80501, USA | 4.9★ | 790 |
| #3 | TNT Home Services - Longmont525 3rd Ave, Longmont, CO 80504, USA | 4.8★ | 864 |
| #4 | Longmont Water Heaters1003 S Bross St, Longmont, CO 80501, USA | 5.0★ | 200 |
| #5 | Colorado Green Plumbing, Heating and Cooling338 Main St Ste 14, Longmont, CO 80501, USA | 4.9★ | 153 |
| #6 | Streamline Plumbing, LLC1740 Skyway Dr, Longmont, CO 80504, USA | 4.9★ | 143 |
| #7 | Kodiak Plumbing Solutions, LLC225 Price Rd #45, Longmont, CO 80504, USA | 5.0★ | 139 |
| #8 | Blue Sky Plumbing, Heating, Cooling & Electric601 S Bowen St Suite 400, Longmont, CO 80501, USA | 4.7★ | 42 |
| #9 | Planet Plumbing & Drain1423 Skyway Dr, Longmont, CO 80504, USA | 4.5★ | 75 |
| #10 | Longmont Plumbing Services1530 Vista View Dr #110, Longmont, CO 80504, USA | 5.0★ | 24 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated July 2026
All Plumbers in Longmont
Trusted by hundreds of Longmont locals with a flawless 5.0-star rating.
1003 S Bross St, Longmont, CO 80501, USA
Longmont plumber with a 4.9-star rating from over 150 Google reviews.
338 Main St Ste 14, Longmont, CO 80501, USA
Longmont plumber with a 4.9-star rating from over 140 Google reviews.
1740 Skyway Dr, Longmont, CO 80504, USA
Longmont plumber with a perfect 5.0-star rating from over 130 reviews.
225 Price Rd #45, Longmont, CO 80504, USA
Known for reliable service with a strong 4.7-star rating from 42 reviews.
601 S Bowen St Suite 400, Longmont, CO 80501, USA
4.5 stars from 75 Google reviews, showing trusted local plumbing service.
1423 Skyway Dr, Longmont, CO 80504, USA
Longmont's top-rated plumber with a perfect 5.0-star score from 24 reviews.
1530 Vista View Dr #110, Longmont, CO 80504, USA
Longmont plumber with a perfect 5.0-star rating from 24 customer reviews.
1767 Vista View Dr, Longmont, CO 80504, USA
Top-rated Longmont plumber with 4.8 stars from 52 glowing reviews.
630 15th Ave, Longmont, CO 80501, USA
Longmont plumber with a perfect 5.0-star rating from 30 Google reviews.
5412 Fox Run Blvd, Longmont, CO 80504, USA
5.0 stars from 9 reviews, reflecting exceptional local plumbing service in Longmont.
1338 Terry St, Longmont, CO 80501, USA
4.9 stars from 74 Google reviews makes this Longmont plumber a trusted choice.
525 3rd Ave #118, Longmont, CO 80501, USA
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Plumbers in Longmont, CO — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | M and M Heating, Cooling, Plumbing and Electrical | 87/100 | 4.9 ★ | 3,288 |
| 2 | Mountain Valley Plumbing and Heating | 87/100 | 4.9 ★ | 790 |
| 3 | TNT Home Services - Longmont | 85/100 | 4.8 ★ | 864 |
| 4 | Longmont Water Heaters | 87/100 | 5.0 ★ | 200 |
| 5 | Colorado Green Plumbing, Heating and Cooling | 84/100 | 4.9 ★ | 153 |
| 6 | Streamline Plumbing, LLC | 84/100 | 4.9 ★ | 143 |
| 7 | Kodiak Plumbing Solutions, LLC | 85/100 | 5.0 ★ | 139 |
| 8 | Blue Sky Plumbing, Heating, Cooling & Electric | 74/100 | 4.7 ★ | 42 |
| 9 | Planet Plumbing & Drain | 73/100 | 4.5 ★ | 75 |
| 10 | Longmont Plumbing Services | 76/100 | 5.0 ★ | 24 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · July 2026
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Frequently Asked Questions — Plumbers in Longmont
How do I find the best plumbers in Longmont?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked plumbers in Longmont on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are plumbers in Longmont licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, CO requires both a state license and liability insurance. Always ask any contractor for proof of current insurance and a copy of their license number before work begins — you can verify most licenses on your state licensing board's website.
How much do plumbers charge in Longmont, CO?
Prices vary by scope, materials, and contractor experience. Use the free quote form on this page to request estimates from multiple local pros simultaneously. Getting 3+ quotes is the single most effective way to avoid overpaying.
What should I look for when hiring a plumbers in Longmont?
Verify licensing and insurance, read recent reviews on multiple platforms, ask for a written estimate before work starts, confirm they pull permits when required, and check references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the plumbers on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
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How Rankings Work on This Page
Every plumbers on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: July 4, 2026.
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