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Plumbers in Thornton, CO — Free Estimates
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As of June 2026, RatingsNearMe ranks 12 plumbers in Thornton, CO by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is Royal Services Plumbing, Heating, & Air with a 4.9-star rating from 500 Google reviews and an RNM Score of 87/100. Also in the top tier: Affordable Plumbing and Heat and PHI Plumbing Inc.. The average rating across all listed plumbers in Thornton is 4.9 stars from 133 reviews per business on average.
Plumbing repairs in Thornton average $150–$500 for common fixes. Emergency calls and major work (sewer line, water heater) run $500–$3,000+.
Rankings updated June 10, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Plumbers in Thornton, CO provide a range of services including emergency repairs, installation, and maintenance for residential and commercial properties. Consumers should look for licensed and insured plumbers with experience serving the local Thornton area.
- ✓Offer 24/7 emergency services for burst pipes, clogged drains, and other plumbing emergencies
- ✓Provide installation and repair for water heaters, sinks, toilets, and other plumbing fixtures
- ✓Specialize in both residential and commercial plumbing work
How to Choose a Plumber in Thornton
What to look for
- • Licensed and insured plumber with experience in the Thornton, CO area
- • Plumber who provides upfront pricing and a detailed estimate
- • Plumber with a good reputation and positive reviews from local customers
- • Plumber who uses high-quality parts and equipment
Questions to ask
- • How long have you been a plumber and what is your experience in the Thornton area?
- • Can you provide a detailed estimate for the work needed, including parts and labor costs?
- • What is your policy for handling unexpected issues or additional work that may be required?
Red flags
- ⚠ Plumber who does not have a valid license or insurance coverage
- ⚠ Plumber who provides a vague or incomplete estimate
- ⚠ Plumber with a history of customer complaints or poor reviews
In Colorado, plumbers are required to be licensed and insured. Be sure to verify the plumber's license and insurance coverage before hiring them.
Local Market Snapshot
12
Businesses listed
4.9★
Avg rating
133
Avg reviews
Jun 10, 2026
Last updated
Top Rated Plumbers
Trusted Thornton plumber with 4.9 stars from over 500 Google reviews.
3351 E 120th Ave Apt 36102, Thornton, CO 80233, USATrusted by hundreds of local customers with a strong 4.6-star rating.
9275 N Elm Ct, Federal Heights, CO 80260, USATrusted by hundreds of local customers with a stellar 4.8-star rating.
12942 Milwaukee Ct, Thornton, CO 80241, USAPlumbers Rankings in Thornton, CO
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Royal Services Plumbing, Heating, & Air3351 E 120th Ave Apt 36102, Thornton, CO 80233, USA | 4.9★ | 500 |
| #2 | Affordable Plumbing and Heat9275 N Elm Ct, Federal Heights, CO 80260, USA | 4.6★ | 332 |
| #3 | PHI Plumbing Inc.12942 Milwaukee Ct, Thornton, CO 80241, USA | 4.8★ | 207 |
| #4 | Big Apple Plumbing LLC - Thornton, CO12298 Pennsylvania St Unit 3016, Thornton, CO 80241, USA | 5.0★ | 89 |
| #5 | 303 Master Plumbing6342 E 136th Pl, Thornton, CO 80602, USA | 5.0★ | 52 |
| #6 | Plumbing Connect Systems LLC5478 E 129th Ave, Thornton, CO 80241, USA | 4.9★ | 52 |
| #7 | Moore Family Plumbing & HVAC12418 York St, Thornton, CO 80241, USA | 4.9★ | 88 |
| #8 | Amazing Plumbing Solutions LLC871 Thornton Pkwy # 169, Thornton, CO 80229, USA | 4.5★ | 82 |
| #9 | Rooter 66 Plumbing & Drain Cleaning10745 Downing St, Northglenn, CO 80233, USA | 5.0★ | 78 |
| #10 | North Metro Plumbing4490 E 123rd Ave, Thornton, CO 80241, USA | 5.0★ | 75 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated June 2026
All Plumbers in Thornton
Rated 5.0 stars from 89 reviews, this Thornton plumber is highly trusted.
12298 Pennsylvania St Unit 3016, Thornton, CO 80241, USA
Exceptional 5.0-star rating from 52 Google reviews in Thornton, CO.
6342 E 136th Pl, Thornton, CO 80602, USA
Trusted by locals with a stellar 4.9-star average from 52 reviews.
5478 E 129th Ave, Thornton, CO 80241, USA
Thornton's top-rated plumber with 4.9 stars from 88 glowing reviews.
12418 York St, Thornton, CO 80241, USA
Trusted Thornton plumber with 4.5 stars from 82 Google reviews.
871 Thornton Pkwy # 169, Thornton, CO 80229, USA
Thornton's trusted plumber with a perfect 5.0-star rating from 78 reviews.
10745 Downing St, Northglenn, CO 80233, USA
Trusted by customers with a perfect 5.0-star rating from 75 Google reviews.
4490 E 123rd Ave, Thornton, CO 80241, USA
5.0 stars from 35 glowing Google reviews makes this plumber a trusted choice.
11907 Eudora Dr, Thornton, CO 80233, USA
Exceptional 5.0-star rating from 3 Google reviews for a Thornton plumber.
9682 Washington St, Thornton, CO 80229, USA
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Plumbers in Thornton, CO — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | Royal Services Plumbing, Heating, & Air | 87/100 | 4.9 ★ | 500 |
| 2 | Affordable Plumbing and Heat | 82/100 | 4.6 ★ | 332 |
| 3 | PHI Plumbing Inc. | 84/100 | 4.8 ★ | 207 |
| 4 | Big Apple Plumbing LLC - Thornton, CO | 83/100 | 5.0 ★ | 89 |
| 5 | 303 Master Plumbing | 80/100 | 5.0 ★ | 52 |
| 6 | Plumbing Connect Systems LLC | 78/100 | 4.9 ★ | 52 |
| 7 | Moore Family Plumbing & HVAC | 81/100 | 4.9 ★ | 88 |
| 8 | Amazing Plumbing Solutions LLC | 74/100 | 4.5 ★ | 82 |
| 9 | Rooter 66 Plumbing & Drain Cleaning | 82/100 | 5.0 ★ | 78 |
| 10 | North Metro Plumbing | 82/100 | 5.0 ★ | 75 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · June 2026
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Frequently Asked Questions — Plumbers in Thornton
How do I find the best plumbers in Thornton?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked plumbers in Thornton on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are plumbers in Thornton 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 Thornton, 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 Thornton?
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: June 10, 2026.
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