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ContractorsRanked

Best Plumbers in Grass Valley, CA (2026)

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

The short answer

  1. 1

    Best overall in Grass Valley: Roto-Rooter, CR Score 93/100; 4.8★ from 244 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Principled Plumbing Inc, posts 24/7 hours; ranked #2 of 42.

  3. 4

    Most-reviewed: ABT Plumbing, Electric, Heat & Air, 973 Google reviews at 4.8★, the most of 42 ranked; ranked #4.

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

42 Grass Valley plumbers are ranked here by CR Score, from 8 published factors. 17 are open 24/7, 31 open Saturdays and 27 open Sundays, based on posted hours. The median Google rating is 4.9★ across 42 rated businesses.

Top 10 plumbers in Grass Valley at a glance

Top 10 plumbers in Grass Valley at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roto-Rooter934.8★ (244)Grass Valley24/7Overall
2Principled Plumbing Inc935.0★ (130)Alta Sierra, 1 mi away24/7Emergencies
3Mr. Rooter Plumbing of Nevada County924.9★ (125)Grass Valley24/7—
4ABT Plumbing, Electric, Heat & Air924.8★ (973)Grass ValleySat · SunMost reviews
5DKH Plumbing924.6★ (281)Grass Valley24/7—
6Craig Johnson Plumbing & Rooter Service904.8★ (63)Grass Valley24/7—
7All Good Plumbing & Drains905.0★ (159)Grass ValleySat · Sun · Evenings—
8HOTCO The Hot Water Heater Company895.0★ (461)Auburn, 24 mi away24/7—
9Ivy Plumbing895.0★ (16)Grass Valley24/7—
10Water Heater Specialists895.0★ (170)Linda, 19 mi away24/7—

The 42 best plumbers in Grass Valley, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Grass Valley

    #1 Roto-Rooter

    Based in Grass Valley

    93/100CR Score

    Ranked #1 because of its Google rating and availability: 4.8★ from 244 Google reviews, open 24/7.

    • 4.8★ from 244 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    815 Idaho Maryland Rd, Grass Valley, CA 95945
    View profile for Roto-Rooter(530) 273-3714

  5. #5 DKH Plumbing

    Based in Grass Valley

    92/100CR Score

    Ranked #5 because of its Google rating and availability: 4.6★ from 281 Google reviews, open 24/7.

    • 4.6★ from 281 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10703 Cedar Way, Grass Valley, CA 95945
    View profile for DKH Plumbing(530) 588-9286

  19. Based in Grass Valley

    82/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.9★ from 207 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 207 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    815 Idaho Maryland Rd, Grass Valley, CA 95945
    View profile for Navo & Sons Inc(530) 273-2964

  21. #21 David's Plumbing

    Based in Auburn, 20 mi away

    82/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 177 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 177 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun closed
    Address
    12230 New Airport Rd, Auburn, CA 95603
    View profile for David's Plumbing(530) 852-2054

  24. #24 Crowley Plumbing

    Based in Auburn, 24 mi away

    82/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 57 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
    Address
    1900 Burlin Way, Auburn, CA 95603
    View profile for Crowley Plumbing(916) 960-6002

All 42 plumbers

#1 to #25 are shown in full above. Here are #26 to #42, in CR Score order; each links to its profile.

plumbers in Grass Valley, ranks 26 to 42
RankBusinessCR ScoreGoogle ratingDistance
26Gold Standard Plumbing & Drain815.0★ (5)In Grass Valley
27JDLR-Plumbing & HVAC services814.6★ (10)10 mi
28Farrar Plumbing815.0★ (17)25 mi
29Ridge Plumbing805.0★ (3)In Grass Valley
30Golden State Plumbing and Drain795.0★ (68)8 mi
3149er Plumbing & Drain784.9★ (27)In Grass Valley
32Professional Plumbing784.7★ (18)25 mi
33The Rooter Guys784.9★ (69)21 mi
34Profound Plumbing783.7★ (3)22 mi
35Quick Response Septic Services772.6★ (27)In Grass Valley
36Dave's Plumbing743.0★ (4)22 mi
37Hoppers Plumbing735.0★ (29)22 mi
38Joe Mumford Plumbing & Heating Co.725.0★ (7)15 mi
39Advanced Leak Detection Services725.0★ (21)24 mi
40Anderson's Sierra Pipe Co.714.5★ (98)21 mi
41California Environmental Systems694.4★ (14)19 mi
42Terry's Plumbing684.0★ (4)20 mi

Also serving Grass Valley

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 Grass Valley
BusinessGoogle ratingDistance
Advanced Plumbing & Radiant Heating5.0★ (1)In Grass Valley
All Clear Drain Service18 mi
ap plumbing5.0★ (1)20 mi
Auburn Drain Cleaning19 mi
Bloom’s plumbing25 mi
Bright Electric llc5.0★ (82)In Grass Valley
Craig Johnson Plumbing & Rooter Service5.0★ (2)In Grass Valley
D A Bodnar PlumbingIn Grass Valley
DE Johnson PlumbingIn Grass Valley
Lazy Drains Septic, Sewer and Drain Cleaning5.0★ (1)In Grass Valley
Mark Davis Plumbing Inc (Craig Johnson Plumbing, INC)In Grass Valley
Rocket RooterIn Grass Valley
Rooter Rooter PlumbingIn Grass Valley
Rooter Rooter Plumbing5.0★ (2)16 mi
Royal Septic Services22 mi
Sierra Foothills Backflow5.0★ (1)20 mi
The Water Heater Man5.0★ (1)25 mi
Tongate BackflowIn Grass Valley
Tuhey's Home Services18 mi
Water Softener and Filter Pros19 mi

How much do plumbers cost in Grass Valley?

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

How much do plumbers cost in Grass Valley?
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 Grass Valley plumbers

We scored 42 Grass Valley plumbers on 8 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. Unknown factors are left out of the score, 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 Grass Valley data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Plumbers in Grass Valley: frequently asked questions

Who is the best plumber in Grass Valley?

By CR Score, the highest-ranked plumber in Grass Valley, CA is Roto-Rooter with a CR Score of 93/100. It has 4.8★ from 244 Google reviews. It is open 24/7. Principled Plumbing Inc (#2) and Mr. Rooter Plumbing of Nevada County (#3) follow. We ranked 42 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Grass Valley?

ContractorsRanked ranks 42 plumbers serving Grass Valley, CA. 17 of them are based in Grass Valley; 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 Grass Valley are open 24/7?

17 ranked plumbers in Grass Valley post 24/7 hours. The highest-ranked are Roto-Rooter (#1), Principled Plumbing Inc (#2) and Mr. Rooter Plumbing of Nevada County (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Grass Valley work on weekends?

31 of 42 ranked plumbers post Saturday hours and 27 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter (#1), Principled Plumbing Inc (#2) and Mr. Rooter Plumbing of Nevada 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 Grass Valley?

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 Grass Valley. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Grass Valley plumbers have?

The median Google rating among 42 rated plumbers in Grass Valley is 4.9★, with a median of 31 reviews. ABT Plumbing, Electric, Heat & Air has the most, 973 reviews, and ranks #4. 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Grass Valley

  1. October 2026: CR Scores recalculated for 42 plumbers serving Grass Valley.

More plumbers and Grass Valley pages

Other trades in Grass Valley