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Cosby's Septic Service LtdSeptic service company in St. Catharines, ON

Cosby's Septic Service Ltd is a septic service company at 909 Pleasant Beach Rd, Sherkston, ON L0S 1R0, ranked #10 of 37 septic service companies in St. Catharines and rated 4.5 from 25 Google reviews. Open Monday to Friday.

St. Catharines, ONUpdated 0 paid placements in any rankingHow we rank

Key facts

Key facts about Cosby's Septic Service Ltd
Address909 Pleasant Beach Rd, Sherkston, ON L0S 1R0, St. Catharines, ONGet directions
Phone(905) 894-2741
Websitecosbysepticservice.com
HoursMonday to Friday: 9 AM – 5 PM
Google rating4.5 from 25 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Septicmain tradeGoogle main category

Service area

Serves St. Catharines and 5 towns within 40 km: Port Colborne, Welland, Fort Erie, Niagara Falls and Thorold.

Based in St. Catharines, ONView on map

Opening hours

Opening hours for Cosby's Septic Service Ltd
DayHours
Monday9 AM – 5 PM
Tuesday9 AM – 5 PM
Wednesday9 AM – 5 PM
Thursday9 AM – 5 PM
Friday9 AM – 5 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.5from 25 Google reviews

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Questions about Cosby's Septic Service Ltd

How is Cosby's Septic Service Ltd ranked in St. Catharines?

Cosby's Septic Service Ltd is ranked #10 of 37 septic service companies in St. Catharines by CR Score, with 57 out of 100 as of November 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 Cosby's Septic Service Ltd’s hours?

Cosby's Septic Service Ltd is open Monday to Friday. Its listed hours are Monday to Friday, 9 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Cosby's Septic Service Ltd serve?

Serves St. Catharines and 5 towns within 40 km: Port Colborne, Welland, Fort Erie, Niagara Falls and Thorold. The list is based on the business's location and the usual service radius for septic and sewer service. Confirm your address is covered when you call.

What do Google reviews say about Cosby's Septic Service Ltd?

Cosby's Septic Service Ltd has a rating of 4.5 from 25 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 Cosby's Septic Service Ltd?

Call Cosby's Septic Service Ltd on (905) 894-2741. The business is at 909 Pleasant Beach Rd, Sherkston, ON L0S 1R0, St. Catharines, ON. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Compare nearby septic service companies

Cosby's Septic Service Ltd compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Cosby's Septic Service Ltd (this business)—574.5 (25)—NoNo
Niagara Septic Pumping#8585.0 (19)—NoNo34.9 km
S C Watson Services#9583.7 (15)———34.1 km
Corny's Excavating Ltd#11574.4 (7)———30.1 km

See all 37 ranked septic service companies in St. Catharines