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Comet Plumbing & Sewer Co.Plumber in Sunnyvale, CA

Comet Plumbing & Sewer Co. is a plumber at 100 S Murphy Ave Suite 200, Sunnyvale, CA 94086, ranked #37 of 540 plumbers in Sunnyvale and rated 4.9 from 97 Google reviews. Open 7 days a week.

Sunnyvale, CAUpdated 0 paid placements in any rankingHow we rank

Call (408) 502-0932Website ↗

Key facts

Key facts about Comet Plumbing & Sewer Co.
Address100 S Murphy Ave Suite 200, Sunnyvale, CA 94086Get directions
Phone(408) 502-0932
Websitecall-comet.com
HoursMonday to Saturday: 7:30 AM – 8 PM; Sunday: 8 AM – 8 PM
Google rating4.9 from 97 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Sunnyvale and 11 towns within 25 miles: Mountain View, Cupertino, Santa Clara, Los Altos, Los Altos Hills, Milpitas, Campbell, Palo Alto, San Jose, Saratoga and Stanford.

Based in Sunnyvale, CAView on map

Opening hours

Opening hours for Comet Plumbing & Sewer Co.
DayHours
Monday7:30 AM – 8 PMevening
Tuesday7:30 AM – 8 PMevening
Wednesday7:30 AM – 8 PMevening
Thursday7:30 AM – 8 PMevening
Friday7:30 AM – 8 PMevening
Saturday7:30 AM – 8 PMevening
Sunday8 AM – 8 PMevening
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays

Typical plumbing prices

Typical plumbing prices
JobLowTypicalHigh
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

Comet Plumbing & Sewer Co. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Comet Plumbing & Sewer Co. (this business)—614.9 (97)—YesYes
Gladiator Repipe & Plumbing San Jose#35614.8 (330)—YesYes12.0 mi
IRBIS Air Plumbing Electrical#36614.9 (1,466)—YesYes7.8 mi
PlumRelief#38614.9 (61)—YesYes2.8 mi

See all 540 ranked plumbers in Sunnyvale

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 97 Google reviews

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Questions about Comet Plumbing & Sewer Co.

How is Comet Plumbing & Sewer Co. ranked in Sunnyvale?

Comet Plumbing & Sewer Co. is ranked #37 of 540 plumbers in Sunnyvale by CR Score, with 61 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 are Comet Plumbing & Sewer Co.’s hours?

Comet Plumbing & Sewer Co. is open 7 days a week. Its listed hours are Monday to Saturday, 7:30 AM – 8 PM; Sunday, 8 AM – 8 PM. On Saturdays it is open 7:30 AM to 8 PM, and on Sundays 8 AM to 8 PM. Hours come from the business listing; holiday hours may differ.

What areas does Comet Plumbing & Sewer Co. serve?

Serves Sunnyvale and 11 towns within 25 miles: Mountain View, Cupertino, Santa Clara, Los Altos, Los Altos Hills, Milpitas, Campbell, Palo Alto, San Jose, Saratoga and Stanford. 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 Comet Plumbing & Sewer Co.?

Comet Plumbing & Sewer Co. has a rating of 4.9 from 97 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 Comet Plumbing & Sewer Co.?

Call Comet Plumbing & Sewer Co. on (408) 502-0932. The business is at 100 S Murphy Ave Suite 200, Sunnyvale, CA 94086. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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