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JB PlumbingPlumber in San Dimas, CA

JB Plumbing is a plumber at 515 W Allen Ave #13, San Dimas, CA 91773, ranked #4 of 1,049 plumbers in San Dimas and rated 4.8 from 396 Google reviews. Open 24 hours a day, 7 days a week.

San Dimas, CAUpdated 0 paid placements in any rankingHow we rank

Call (909) 592-8487Website ↗

Key facts

Key facts about JB Plumbing
Address515 W Allen Ave #13, San Dimas, CA 91773Get directions
Phone(909) 592-8487
Websitejbplumb.com
HoursOpen 24 hours, 7 days a week
Google rating4.8 from 396 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves San Dimas and 11 towns within 25 miles: Charter Oak, Glendora, La Verne, Citrus, Covina, Azusa, Pomona, Claremont, Diamond Bar, Walnut and West Covina.

Based in San Dimas, CAView on map

Opening hours

Opening hours for JB Plumbing
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

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

JB Plumbing compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
JB Plumbing (this business)—634.8 (396)—YesYes
Top Notch Plumbing Inc.#2645.0 (515)—YesYes3.6 mi
24 Rooter & Plumbing, Inc.#3635.0 (346)—YesYes4.5 mi
Alpine Plumbing, Heating, and Air#5634.9 (743)—YesYes1.2 mi

See all 1049 ranked plumbers in San Dimas

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.8from 396 Google reviews

Hired JB Plumbing? Write a review

Questions about JB Plumbing

How is JB Plumbing ranked in San Dimas?

JB Plumbing is ranked #4 of 1,049 plumbers in San Dimas by CR Score, with 63 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 JB Plumbing’s hours?

JB Plumbing is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does JB Plumbing serve?

Serves San Dimas and 11 towns within 25 miles: Charter Oak, Glendora, La Verne, Citrus, Covina, Azusa, Pomona, Claremont, Diamond Bar, Walnut and West Covina. 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 JB Plumbing?

JB Plumbing has a rating of 4.8 from 396 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 JB Plumbing?

Call JB Plumbing on (909) 592-8487. The business is at 515 W Allen Ave #13, San Dimas, CA 91773. 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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