Toilet Repair in Cupertino, CA
Toilet running or leaking? Find reliable toilet repair pros.
Santa Clara County15 plumbers available
Best Toilet Repair Pros in Cupertino
#1Strong Hire
Superior Plumbing
4.9Toilet Repair: 70/100
“last week unit shutdown with error code of "10 red flashes". Switching off, and restarting the pilot light resolves the issue, but as this was 2nd time in 6 weeks, Rocky from Superior Plumbing came out to inspect it.”
#2Strong Hire
Ribbs Plumbing & Sewer
4.9Toilet Repair: 70/100
“Dave helped us replace a broken tankless heater, guiding us to the right model for us and installed it in an expedient manner. He's been performing maintenance on it every year for us”
#3Strong Hire
Universal Plumbing & Rooter
5Toilet Repair: 70/100
“The first time I had ghost flushing toilets which I had TWO different plumbers address and it wasn't until Martin came out that the problem was finally corrected.”
All Toilet Repair Pros in Cupertino
Superior Plumbing
4.9·443 reviews·
In CupertinoGoogle Verified
+4 more
Top pick4.9Google
Strengths
Walked away with no charge when a clogged toilet turned out to be…
Texts ETA when tech is en route and quotes price up front before…
Andy attempted a repair competitors declined, saving the customer…
Concerns
Workmanship follow-up: a Jose-installed heater threw a repeat…
Ribbs Plumbing & Sewer
4.9·422 reviews·
11 mi away — Serves your areaGoogle Verified
+5 more
Top pick4.9Google
Strengths
Same-hour water heater replacement: crew responded immediately…
Tankless water heater installs with ongoing yearly maintenance
Conservative pricing on backed-up toilets: techs offered the…
Concerns
Only 5 reviews sampled against 422 total
Universal Plumbing & Rooter
5·58 reviews·
11 mi away — Serves your areaGoogle Verified
+4 more
Top pick5.0Google
Strengths
Same-day water heater replacement after a 13-year-old unit…
Resolved ghost-flushing toilet that two previous plumbers…
Photo-documented work and timeline updates
Concerns
Not enough data to identify weaknesses
EJ Plumbing & Water Heaters
4.9·3.8k reviews·
6 mi awayGoogle Verified
Solid pick4.9Google
Strengths
Same-day or next-day dispatch cited in 3 of 5 reviews (Teri…
Camera diagnostics on hard slab/sewer cases
Repeat-customer loyalty signal
Concerns
No-show on a confirmed appointment window with zero proactive…
Cost called out as "very extensive and expensive" on the slab job…
Rooter Hero Plumbing & Air of San Jose
4.8·3.4k reviews·
11 mi away — Serves your areaGoogle Verified
+5 more
Top pick4.8Google
Strengths
Same-day online booking confirmed in 2 of 5 analyzed reviews…
Late-Saturday booking picked up immediately and dispatched same…
Reasonable pricing for drain work cited in 2 of 5 reviews;
Concerns
Not enough data to identify weaknesses
Mike Counsil Plumbing and Rooter
4.8·1.6k reviews·
9 mi awayGoogle Verified
+3 more
Top pick4.8Google
Strengths
Sewer backup diagnosed and cleared within an hour of call (1 of 5…
Same-day issue resolution noted with clean work area (1 of 5)
1-year warranty on toilet rebuild called out by reviewer (1 of 5)
Concerns
Pricing called "a bit pricey" on a toilet rebuild (1 of 5…
Elite Rooter
4.7·1.3k reviews·
8 mi awayGoogle Verified
+3 more
Top pick4.7Google
Strengths
Senior tech worked nights and weekends through a major commercial…
Next-morning toilet replacement and main-line snake before…
Texted and dispatched within 30 minutes after a competitor…
Concerns
Not enough data to identify weaknesses
Drain Doctor
4.9·881 reviews·
9 mi awayGoogle Verified
Solid pick4.9Google
Strengths
Sunday/weekend response confirmed
Drain and toilet clearing repeatedly described as quick
Concerns
BBB rating is D- with 2 complaints in past 3 years despite 4.9…
One reviewer reports tech walked into kitchen, grabbed a mug, and…
One follow-up failure documented
$15 Sewer & Drain Service
4.8·649 reviews·
9 mi awayGoogle Verified
+5 more
Top pick4.8Google
Strengths
After-hours response within 90 minutes of service call
Quoted price matched final invoice
Drain main and shower stem repairs completed in under an hour in…
Concerns
Not enough data to identify weaknesses
Smart Plumbers Inc. DBA Smart Plumbers & Rooters
4.8·1.2k reviews·
6 mi awayGoogle Verified
+1 more
Solid pick4.8Google
Strengths
50-minute arrival on a same-morning sewer call (1 of 5 reviews)
Senior discount applied on top of an already low price (1 of 5)
Decade-long repeat customer reporting consistent pricing and no…
Concerns
Workmen failed to show or call on the first scheduled appointment…
Knockout Plumbing & Repipe Inc.
4.9·333 reviews·
6 mi awayGoogle Verified
+4 more
Top pick4.9Google
Strengths
Whole-house repipe with 25-year transferable warranty and…
Multi-unit residential repipe completed on time and under budget…
Same-day crew dispatch after on-site quote in 1 of 5 reviews
Concerns
One reviewer references an unspecified post-job issue…
Plumbing Point, Inc.
5·277 reviews·
6 mi awayGoogle Verified
+3 more
Top pick5.0Google
Strengths
Same-evening water-heater replacement after a 2-hour initial…
Detailed pre-quote inspections undercutting two other plumber…
Water-meter leak diagnosed and fixed same-day with clear quote (1…
Concerns
1 of 5 sampled reviews flags pricing as "slightly higher"…
SWAGS Plumbing and Rooter
5·209 reviews·
10 mi awayGoogle Verified
+5 more
Top pick5.0Google
Strengths
Same-day technician dispatch cited in 3 of 5 reviews (Selena Shi,…
No-charge diagnostics under warranty
Gas-leak diagnostic with multi-point inspection and warranty…
Concerns
Not enough data to identify weaknesses
Freedom Underground Plumbing -- Solving your Water, Sewer and Electrical Conduit Needs
4.9·71 reviews·
7 mi awayGoogle Verified
+3 more
Top pick4.9Google
Strengths
Trenchless underground work: HammerHead tunneling to avoid yard…
Handles complex sewer-line permitting: navigated city + sanitary…
Slab leak detection + whole-house repipe completed at a price…
Concerns
Sample size is thin — only 5 reviews analyzed against 71 total…
Best Bay Plumbing And Rooter
5·52 reviews·
8 mi awayGoogle Verified
+4 more
Top pick5.0Google
Strengths
Honest diagnostics — Sergio fixed a pipe near a water heater…
Same-hour drain response: Roberto arrived within an hour of a…
Tankless water heater diagnostics: Roberto spent hours flushing…
Concerns
Only 5 reviews sampled against 52 total
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 Cupertino, CA?
Toilet repair in Cupertino 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 Cupertino 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 Santa Clara County can do same-day toilet installation.
Other Services in Cupertino
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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