Williams Sanitary Service IncPlumber in Discovery Bay, CA

#45Ranked #45 of 316 plumbers in Discovery Bay

Williams Sanitary Service Inc is a plumber in Discovery Bay, CA, ranked #45 of 316 plumbers in Discovery Bay and rated 4.7 from 28 Google reviews.

Discovery Bay, CAUpdated October 22, 20260 paid placements in any rankingHow we rank

Call (925) 634-4855Website ↗

Key facts

Key facts about Williams Sanitary Service Inc
Phone	(925) 634-4855
Website	williamssanitaryservice.com
Google rating	4.7 from 28 Google reviews

Trades

Each trade shows the evidence we matched it on.

Plumbingmain tradeGoogle main category

Service area

Serves Discovery Bay and 11 towns within 25 miles: Blackhawk, Livermore, Dublin, Pleasanton, San Ramon, Danville, Brentwood, Clayton, Alamo, Mountain House and Fairview.

Based in Discovery Bay, CAView on map

Typical plumbing prices

Typical plumbing prices
Job	Low	Typical	High
Water heater replacementPer unit, installed (unit plus labor); typical range of customer-reported jobs. US national range	$882	$1,348	$1,826

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby plumbers

Williams Sanitary Service Inc compared with nearby businesses
Business	Rank	CR Score	Google rating	License verified	Saturday	Sunday	Distance away
Williams Sanitary Service Inc (this business)	—	57	4.7 (28)	—	—	—
Precision Plumbing & Contracting	#43	57	4.8 (396)	—	No	No	13.3 mi
Service Champions	#44	57	4.9 (4,721)	—	Yes	Yes	6.6 mi
Oasis Plumber's Oakley	#46	57	4.9 (83)	—	—	—	15.5 mi

See all 316 ranked plumbers in Discovery Bay

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.7from 28 Google reviews

Hired Williams Sanitary Service Inc? Write a review

Questions about Williams Sanitary Service Inc

How is Williams Sanitary Service Inc ranked in Discovery Bay?

Williams Sanitary Service Inc is ranked #45 of 316 plumbers in Discovery Bay by CR Score, with 57 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What areas does Williams Sanitary Service Inc serve?

Serves Discovery Bay and 11 towns within 25 miles: Blackhawk, Livermore, Dublin, Pleasanton, San Ramon, Danville, Brentwood, Clayton, Alamo, Mountain House and Fairview. The list is based on the business's location and the usual service radius for plumbing. Confirm your address is covered when you call.

What do Google reviews say about Williams Sanitary Service Inc?

Williams Sanitary Service Inc has a rating of 4.7 from 28 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Williams Sanitary Service Inc?

Call Williams Sanitary Service Inc on (925) 634-4855. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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