Best Toilet Repair Pros in Thornton
#1Strong Hire
Flow Rite Plumbing and Drain Cleaning
4.9Toilet Repair: 75/100
“Sam did an awesome job. He identified the clog and was able to clear it in one pass.”
#2Strong Hire
Cuevas Brothers Plumbers Company
4.8Toilet Repair: 70/100
“Curtis came out to take care of a plumbing issue I was having with a leaky water line to my fridge’s ice maker. He was incredibly professional, explained everything he was doing step by step, and even showed me pictures of the problem areas before and after the repair.”
#3Strong Hire
Corey & Sons Plumbers
4.8Toilet Repair: 70/100
“Tracy and Brayden arrived, quickly located the leak, and found it was under the foundation. Because a lot of homes in Arvada were dealing with similar plumbing issues at the time, it took a couple days for them to return, but they kept me updated the whole way.”
All Toilet Repair Pros in Thornton
Flow Rite Plumbing and Drain Cleaning
4.9·66 reviews·
7 mi awayGoogle Verified
+4 more
Top pick4.9Google
Strengths
Ruben and Nick cited by name across multiple repeat-customer…
Same-day water heater coordination
Fair pricing and no upsells
Concerns
1 review notes per-hour pricing for quotes is on the high side,…
Cuevas Brothers Plumbers Company
4.8·130 reviews·
In ThorntonGoogle Verified
+4 more
Top pick4.8Google
Strengths
Tech Curtis flagged his own mistake on a price estimate and made…
Same-day main-water-valve replacement in tight crawlspace passed…
Worked the same Sunday afternoon they were called to clear a…
Concerns
7 of 100 reviews mention slow response
Corey & Sons Plumbers
4.8·145 reviews·
In ThorntonGoogle Verified
+3 more
Top pick4.8Google
Strengths
Brayden diagnosed a $1,200 toilet 'broken pipe' quote as actually…
Found a slab leak under foundation that city water department…
Located two leak points on a main water line where a competing…
Concerns
Yelp 1-star reports tech Andrew ordered a part then went silent…
6 of 100 reviews mention slow response
TYCO Plumbing
5·848 reviews·
6 mi awayGoogle Verified
+5 more
Top pick5.0Google
Strengths
Tyler personally came next day to replace a dead water heater for…
Tech Josh fixed three toilets (valve and flapper), one leaky…
Diagnosed and patched a leaking shower faucet without tearing…
Preliminary listing — full review analysis coming soon
Ricardo's Plumbing LLC
4.9·135 reviews·
13 mi away — Serves your areaGoogle Verified
+5 more
Top pick4.9Google
Strengths
Main sewer line collapse repaired over a holiday weekend with…
Sewer clog cleared after two other plumbers tried and failed;
Same-day or next-morning arrivals cited across multiple plumbers…
Concerns
One reviewer flagged the repair as expensive even while praising…
AAA Service Plumbing, Heating & Electric
4.8·13k reviews·
15 mi away — Serves your areaGoogle Verified
+2 more
Top pick4.8Google
Strengths
92 of 100 reviewed are 5-star with reviewConsistency 0.86
After-hours dispatch documented
Named techs (Dominic, JD, Michael Wise, Joey, Z) appear…
Concerns
Pricing called expensive in 2 of 100 reviews
One 1-star review describes repeat upsell attempts on furnace…
Brothers Plumbing, Heating & Electric
4.7·8.8k reviews·
In ThorntonGoogle Verified
+5 more
Top pick4.7Google
Strengths
Exceptional emergency responsiveness—multiple reviewers cite…
Honest, competitive pricing without upselling—3 reviewers…
Proactive communication—reviewers note they go above standard:…
High-quality workmanship with attention to detail—4 of 5 reviews…
Concerns
Not budget-tier pricing—one reviewer explicitly warns that…
Jim Needham Heating Cooling Plumbing and Drain
4.9·6.1k reviews·
In ThorntonGoogle Verified
+4 more
Top pick4.9Google
Strengths
Fair-pricing theme cited in 2 of 5 sampled reviews
Fast response cited — one reviewer 'Called at 8 and he was here…
Whole-house water filtration installs called out
Concerns
Not enough data to identify weaknesses
GK Plumbing
5·203 reviews·
In ThorntonGoogle Verified
+4 more
Top pick5.0Google
Strengths
Same-day fixes including post-Thanksgiving Sunday water heater…
Reviewers consistently describe pricing as fair and honest
Holiday-weekend coverage cited
Preliminary listing — full review analysis coming soon
Royal Services Plumbing, Heating, & Air
4.9·498 reviews·
In ThorntonGoogle Verified
+5 more
Top pick4.9Google
Strengths
Within-an-hour weekend arrivals
Free estimate model with multiple options laid out before work…
Reviewers specifically note no-surprises pricing and detailed…
Concerns
A 3-star reviewer simply notes kinda expensive
Big Apple Plumbing LLC - Thornton, CO
5·89 reviews·
In ThorntonGoogle Verified
+4 more
Avoid5.0Google
Concerns
Not enough data to identify weaknesses
Big Apple Plumbing LLC - Westminster, CO
4.8·896 reviews·
In ThorntonGoogle Verified
+4 more
Avoid4.8Google
Concerns
Not enough data to identify weaknesses
All Sewer and Plumbing Services LLC
4.9·204 reviews·
In ThorntonGoogle Verified
+4 more
Top pick4.9Google
Strengths
Customer quoted $20K for sewer mainline replacement by another…
Realtor cites Jeff as ethical and explicitly notes 'he will never…
Tech Eloy cleared a clog two other plumbing companies had failed…
Concerns
Older 2-star Yelp from 2016 reports trench backfill issues
Plumbing Connect Systems LLC
5·51 reviews·
In ThorntonGoogle Verified
+5 more
Top pick5.0Google
Strengths
Same-day burst pipe response during extreme cold
Quote held even when job got trickier
Galvanized and cast iron to modern repipe with demo and cleanup…
Preliminary listing — full review analysis coming soon
To the T Plumbing Heating & Air
4.9·146 reviews·
In ThorntonGoogle Verified
+2 more
Top pick4.9Google
Strengths
Sent a plumber within an hour on a Saturday for a dead water…
Office staff (Karen, Sarah, Rae, Megan) named repeatedly across…
Showed up within an hour over the Christmas-Eve holiday week to…
Concerns
$489 minimum fee for a quick 1-hour job was not disclosed up…
Sink-install quote came in near $3,000 for a 'simple double metal…
Common Toilet Repair Scenarios
Running Toilet
A toilet that won't stop running wastes 200+ gallons per day. Usually caused by a worn flapper, faulty fill valve, or float adjustment issue.
Toilet Leak at Base
Water pooling around the base of your toilet usually means a failed wax ring seal. Left unfixed, it damages subfloor and can cause mold.
Clogged Toilet
When a plunger can't clear the blockage, there may be an obstruction deep in the trap or drain line that needs professional snaking.
Toilet Replacement
Old toilets using 3.5-7 gallons per flush should be replaced with modern 1.28 GPF models. Some municipalities offer rebates for water-efficient upgrades.
Frequently Asked Questions
How much does toilet repair cost in Thornton, CO?
Toilet repair in Thornton typically costs $100-$350. Running toilet fixes (flapper, fill valve) run $100-$200. Wax ring replacement costs $150-$300. Full toilet replacement with installation runs $300-$800 including the fixture. Labor is the main cost — the parts are inexpensive.
Should I repair or replace my toilet?
Repair if: it's a single issue like a running toilet or loose connection. Replace if: it's cracked, requires frequent repairs, uses more than 1.6 gallons per flush, or wobbles despite tightening. Modern toilets save 13,000+ gallons per year per household.
Can a running toilet increase my water bill?
Yes — a running toilet in your Thornton home can waste 200+ gallons per day, adding $100+ per month to your water bill. A $150 repair pays for itself within weeks. Don't ignore it.
How long does toilet installation take?
A standard toilet replacement takes 1-2 hours. If the flange needs repair or the floor has water damage, add 1-3 hours. Most plumbers in Adams County can do same-day toilet installation.
Other Services in Thornton
Drain Cleaning Water Heater Repair Burst Pipe Repair Repiping Bathroom Remodel Plumbing Sewer Repair Sewer Line Replacement Faucet Repair Garbage Disposal Repair Sump Pump Repair Gas Line Repair Slab Leak Repair Water Line Repair Kitchen Remodel Plumbing Hydro-Jetting 24-Hour Plumber Same-Day Plumber Affordable Plumber Licensed Plumber Plumber Cost Clogged Drain No Hot Water Water Leak Low Water Pressure Frozen Pipes Sewage Backup All Emergency Plumbers
Toilet Repair in Nearby Cities
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