Real Reviews · Thornton
Top-Reviewed Plumbers in Thornton, CO
What are customers actually saying? Read verified reviews for plumbers in Thornton — every rating is from a real customer.
As of May 2026, RatingsNearMe ranks 12 plumbers in Thornton, CO by verified customer ratings and review volume. The highest-rated is Royal Services Plumbing, Heating, & Air with a 4.9-star rating from 500 verified reviews. 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 May 17, 2026 · Scored by ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Local Market Snapshot
12
Businesses listed
4.9★
Avg rating
133
Avg reviews
May 17, 2026
Last updated
Top Rated Plumbers
Royal Services Plumbing, Heating, & Air
3351 E 120th Ave Apt 36102, Thornton, CO 80233, USA
Affordable Plumbing and Heat
9275 N Elm Ct, Federal Heights, CO 80260, USA
PHI Plumbing Inc.
12942 Milwaukee Ct, Thornton, CO 80241, USA
Plumbers 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 | Plumbing Connect Systems LLC5478 E 129th Ave, Thornton, CO 80241, USA | 4.9★ | 52 |
| #6 | Moore Family Plumbing & HVAC12418 York St, Thornton, CO 80241, USA | 4.9★ | 88 |
| #7 | 303 Master Plumbing6342 E 136th Pl, Thornton, CO 80602, USA | 5.0★ | 52 |
| #8 | Reliable Thornton Plumbers9682 Washington St, Thornton, CO 80229, USA | 5.0★ | 3 |
| #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 May 2026
All Plumbers in Thornton
Big Apple Plumbing LLC - Thornton, CO
12298 Pennsylvania St Unit 3016, Thornton, CO 80241, USA
Plumbing Connect Systems LLC
5478 E 129th Ave, Thornton, CO 80241, USA
Moore Family Plumbing & HVAC
12418 York St, Thornton, CO 80241, USA
303 Master Plumbing
6342 E 136th Pl, Thornton, CO 80602, USA
Reliable Thornton Plumbers
9682 Washington St, Thornton, CO 80229, USA
Rooter 66 Plumbing & Drain Cleaning
10745 Downing St, Northglenn, CO 80233, USA
North Metro Plumbing
4490 E 123rd Ave, Thornton, CO 80241, USA
Amazing Plumbing Solutions LLC
871 Thornton Pkwy # 169, Thornton, CO 80229, USA
Steadfast Plumbing
11907 Eudora Dr, Thornton, CO 80233, USA
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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: May 17, 2026.
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