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ContractorsRanked

Best Plumbers in Windsor, CA (2026)

163 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Windsor: Mr. Rooter Plumbing of Sonoma County, CR Score 65/100; 4.9★ from 923 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Same Day Heating, Cooling, Plumbing, posts 24/7 hours; ranked #2 of 163.

  3. 34

    Most-reviewed: Moore Home Heating Cooling & Plumbing Services, 1,764 Google reviews at 4.7★, the most of 163 ranked; ranked #34.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

163 Windsor plumbers are ranked here by CR Score, from ten published factors. 44 are open 24/7, 100 open Saturdays and 71 open Sundays, based on posted hours. The median Google rating is 5.0★ across 163 rated businesses.

Top 10 plumbers in Windsor at a glance

Top 10 plumbers in Windsor at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Mr. Rooter Plumbing of Sonoma County654.9★ (923)Santa Rosa, 9 mi away24/7Overall
2Same Day Heating, Cooling, Plumbing624.9★ (531)Windsor24/7Emergencies
3Rooter Man Sonoma County624.9★ (570)Santa Rosa, 9 mi awaySat · Sun—
4Redwood Sewer & Drain Services625.0★ (163)Larkfield-Wikiup, 9 mi away24/7—
5Mike’s Plumbing & Rooter Service615.0★ (84)Larkfield-Wikiup, 2 mi awaySat · Sun—
6Curoso Plumbing Inc.615.0★ (281)Santa Rosa, 6 mi awaySat · Evenings—
7Roto-Rooter Plumbing & Water Cleanup614.7★ (393)Cotati, 15 mi away24/7—
8S Waters Plumbing615.0★ (210)Lucas Valley-Marinwood, 18 mi away24/7—
9United States Plumbing615.0★ (66)Santa Rosa, 10 mi away24/7—
10Rooter Hero Plumbing & Air of Santa Rosa614.9★ (401)Rohnert Park, 14 mi awaySat · Sun · Evenings—

The 163 best plumbers in Windsor, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  6. #6 Curoso Plumbing Inc.

    Based in Santa Rosa, 6 mi away

    61/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 281 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 281 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat 7 AM–5 PM · Sun closed
    Address
    1925 Fulton Rd, Santa Rosa, CA 95403
    View profile for Curoso Plumbing Inc.(707) 625-5309

  12. #12 West Coast Plumbing

    Based in Santa Rosa, 11 mi away

    60/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.9★ from 90 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 90 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    374 Yolanda Ave Suite D, Santa Rosa, CA 95404
    View profile for West Coast Plumbing(707) 750-9900

  20. #20 Mr Plumber

    Based in Cotati, 9 mi away

    59/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 30 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Mr Plumber(707) 695-0016

  21. #21 Ongaro & Sons

    Based in Santa Rosa, 9 mi away

    59/100CR Score

    Ranked #21 because of its Google rating and review volume: 4.9★ from 1,222 Google reviews.

    • 4.9★ from 1,222 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    250 D St Suite 700B, Santa Rosa, CA 95404
    View profile for Ongaro & Sons(707) 908-9208

  22. #22 Sewer Line Survey

    Based in Santa Rosa, 8 mi away

    59/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 18 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1007 W College Ave #143, Santa Rosa, CA 95401
    View profile for Sewer Line Survey(707) 620-3955

  25. #25 Rock Solid Drains

    Based in Santa Rosa, 11 mi away

    58/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 130 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 130 Google reviews
    Hours
    Mon–Fri 7 AM–9 PM · Sat 8 AM–5 PM · Sun closed
    Address
    468 Yolanda Ave Ste 301, Santa Rosa, CA 95404
    View profile for Rock Solid Drains(707) 889-8191

Plumbers ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 163 ranked plumbers here; the rest are on their profiles.

plumbers in Windsor, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Bragg Home Services584.9★ (486)6 mi
27Henry Mechanical585.0★ (866)In Windsor
28Bowen Plumbing LLC585.0★ (63)In Windsor
29Petersen Plumbing Services584.5★ (40)10 mi
30Varnadore Plumbing585.0★ (10)In Windsor
31Christopher Robin's Plumbing585.0★ (99)10 mi
32Finetti Plumbing & Backflow585.0★ (13)8 mi
33Flowright Plumbing585.0★ (22)12 mi
34Moore Home Heating Cooling & Plumbing Services584.7★ (1,764)8 mi
35Holman Plumbing585.0★ (172)6 mi
36Rapid Rooter Sewer585.0★ (6)5 mi
37The Cardenas Plumbing585.0★ (7)6 mi
38Simeone Plumbing, Inc.584.9★ (103)3 mi
39Community Plumbing Services575.0★ (72)10 mi
40Brush Creek Plumbing574.9★ (10)9 mi
41Northbound Plumbing575.0★ (23)16 mi
42Small Jobs Plumbing, Inc.574.9★ (181)14 mi
43DeJusto Plumbing574.9★ (32)11 mi
44Nor Cal leaks575.0★ (7)9 mi
45Golden State Plumbing575.0★ (11)5 mi
46Samson Home Service575.0★ (15)14 mi
47Herrera Plumbing LLC575.0★ (5)1 mi
48Advanced Piping Systems Inc575.0★ (14)14 mi
49MAC Plumbing575.0★ (21)11 mi
50Monkey Wrench Plumbing574.8★ (16)14 mi

Also serving Windsor

20 more plumbers within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked plumbers serving Windsor
BusinessGoogle ratingDistance
Aquacraft Plumbing Inc.5.0★ (7)11 mi
Clear Wood Plumbing LLC5.0★ (6)22 mi
Dan the Plumber3.7★ (3)9 mi
Dee Gee's Plumbing Services5.0★ (2)22 mi
Desired Plumbing, Inc.5.0★ (2)23 mi
Geo Services Group4.0★ (1)11 mi
Hayes Construction1.0★ (1)10 mi
Healdsburg Plumbing5.0★ (14)6 mi
Hoyt Plumbing Heating & Air5.0★ (1)10 mi
John Borg Plumbing5.0★ (1)In Windsor
Josski Plumbing5.0★ (1)12 mi
Newline Plumbing, LLC5.0★ (7)11 mi
Ongaro & Sons4.9★ (538)22 mi
Regina Plumbing5.0★ (2)6 mi
Remons Main Sewer Camera Services & Drain Clearing5.0★ (20)21 mi
Rich your Local Handyman Services5.0★ (4)7 mi
S S Construction5.0★ (5)10 mi
Scott Cramer Plumbing5.0★ (2)21 mi
Taurian Construction5.0★ (7)16 mi
Todd Norris Plumbing & Heating5.0★ (2)5 mi

How much do plumbers cost in Windsor?

National price ranges in USD, not adjusted for Windsor. Each row names its basis and the month we checked it.

How much do plumbers cost in Windsor?
JobLowTypicalHighBasisChecked
Water heater replacement$882$1,348$1,826Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026

How to check a plumber's license in California

In California, Contractors State License Board (CSLB) licenses C-36 Plumbing contractor license.

Jobs of $1,000 or more in labor and materials (from January 1, 2025).

  1. Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

How we ranked Windsor plumbers

We scored 163 Windsor plumbers on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Windsor data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Plumbers in Windsor: frequently asked questions

Who is the best plumber in Windsor?

By CR Score, the highest-ranked plumber in Windsor, CA is Mr. Rooter Plumbing of Sonoma County with a CR Score of 65/100. It has 4.9★ from 923 Google reviews. It is open 24/7. Same Day Heating, Cooling, Plumbing (#2) and Rooter Man Sonoma County (#3) follow. We ranked 163 plumbers on ten factors, last updated October 22, 2026.

How many plumbers are there in Windsor?

ContractorsRanked ranks 163 plumbers serving Windsor, CA. 4 of them are based in Windsor; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Windsor are open 24/7?

44 ranked plumbers in Windsor post 24/7 hours. The highest-ranked are Mr. Rooter Plumbing of Sonoma County (#1), Same Day Heating, Cooling, Plumbing (#2) and Redwood Sewer & Drain Services (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Windsor work on weekends?

100 of 163 ranked plumbers post Saturday hours and 71 post Sunday hours. The highest-ranked open Saturdays are Mr. Rooter Plumbing of Sonoma County (#1), Same Day Heating, Cooling, Plumbing (#2) and Rooter Man Sonoma County (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check a plumber's license in California?

In California, Contractors State License Board (CSLB) handles licensing and covers C-36 Plumbing contractor license. Search the business or license number at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx. Jobs of $1,000 or more in labor and materials (from January 1, 2025).

How much does water heater replacement cost in Windsor?

Water heater replacement typically costs $882 to $1,826, with $1,348 typical (Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Windsor. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Windsor plumbers have?

The median Google rating among 163 rated plumbers in Windsor is 5.0★, with a median of 14 reviews. Moore Home Heating Cooling & Plumbing Services has the most, 1,764 reviews, and ranks #34. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank plumbers?

Each plumber gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Windsor

  1. October 2026: CR Scores recalculated for 163 plumbers serving Windsor.
  2. October 2026: 2 duplicate listings merged.

More plumbers and Windsor pages

Other trades in Windsor