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Caldwell Plumbing OshawaPlumber in Oshawa, ON

Caldwell Plumbing Oshawa is a plumber at 21 Simcoe St S Suite 106-B, Oshawa, ON L1H 4G1, ranked #20 of 226 plumbers in Oshawa and rated 4.8 from 34 Google reviews. Open 24 hours a day, 7 days a week.

Oshawa, ONUpdated 0 paid placements in any rankingHow we rank

Call (289) 240-7482Website ↗

Key facts

Key facts about Caldwell Plumbing Oshawa
Address21 Simcoe St S Suite 106-B, Oshawa, ON L1H 4G1Get directions
Phone(289) 240-7482
Websitecaldwellplumbing.ca
HoursOpen 24 hours, 7 days a week
Google rating4.8 from 34 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Oshawa and 6 towns within 40 km: Ajax, Pickering, Uxbridge, Markham, Scarborough and Port Hope.

Based in Oshawa, ONView on map

Opening hours

Opening hours for Caldwell Plumbing Oshawa
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 converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)CA$1,240CA$1,890CA$2,570

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

Compare nearby plumbers

Caldwell Plumbing Oshawa compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Caldwell Plumbing Oshawa (this business)—594.8 (34)—YesYes
Mr. Rooter Plumbing of Whitby-Oshawa#18604.7 (333)—YesYes10.7 km
Free Flo Plumbing LTD.#19605.0 (35)—YesYes4.5 km
Target Combined Services - Plumbing + Drains#21594.8 (30)—YesYes7.2 km

See all 226 ranked plumbers in Oshawa

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.8from 34 Google reviews

Hired Caldwell Plumbing Oshawa? Write a review

Questions about Caldwell Plumbing Oshawa

How is Caldwell Plumbing Oshawa ranked in Oshawa?

Caldwell Plumbing Oshawa is ranked #20 of 226 plumbers in Oshawa by CR Score, with 59 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 Caldwell Plumbing Oshawa’s hours?

Caldwell Plumbing Oshawa 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 Caldwell Plumbing Oshawa serve?

Serves Oshawa and 6 towns within 40 km: Ajax, Pickering, Uxbridge, Markham, Scarborough and Port Hope. 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 Caldwell Plumbing Oshawa?

Caldwell Plumbing Oshawa has a rating of 4.8 from 34 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 Caldwell Plumbing Oshawa?

Call Caldwell Plumbing Oshawa on (289) 240-7482. The business is at 21 Simcoe St S Suite 106-B, Oshawa, ON L1H 4G1. 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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