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Collin County Septic Design & EvaluationSeptic service company in Greenville, TX

Collin County Septic Design & Evaluation is a septic service company at 3417 Cornelia St, Greenville, TX 75401, ranked #10 of 31 septic service companies in Greenville and rated 4.5 from 8 Google reviews. Open Monday to Friday.

Greenville, TXUpdated 0 paid placements in any rankingHow we rank

Call (903) 203-8250Website ↗

Key facts

Key facts about Collin County Septic Design & Evaluation
Address3417 Cornelia St, Greenville, TX 75401Get directions
Phone(903) 203-8250
Websitecollincountyseptic.com
HoursMonday to Friday: 8 AM – 5 PM
Google rating4.5 from 8 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Septicmain tradeGoogle main category

Service area

Serves Greenville and 5 towns within 25 miles: Commerce, Royse City, Fate, Princeton and Rockwall.

Based in Greenville, TXView on map

Opening hours

Opening hours for Collin County Septic Design & Evaluation
DayHours
Monday8 AM – 5 PM
Tuesday8 AM – 5 PM
Wednesday8 AM – 5 PM
Thursday8 AM – 5 PM
Friday8 AM – 5 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.5from 8 Google reviews

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Questions about Collin County Septic Design & Evaluation

How is Collin County Septic Design & Evaluation ranked in Greenville?

Collin County Septic Design & Evaluation is ranked #10 of 31 septic service companies in Greenville by CR Score, with 53 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 Collin County Septic Design & Evaluation’s hours?

Collin County Septic Design & Evaluation is open Monday to Friday. Its listed hours are Monday to Friday, 8 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 Collin County Septic Design & Evaluation serve?

Serves Greenville and 5 towns within 25 miles: Commerce, Royse City, Fate, Princeton and Rockwall. 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 Collin County Septic Design & Evaluation?

Collin County Septic Design & Evaluation has a rating of 4.5 from 8 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 Collin County Septic Design & Evaluation?

Call Collin County Septic Design & Evaluation on (903) 203-8250. The business is at 3417 Cornelia St, Greenville, TX 75401. 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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Compare nearby septic service companies

Collin County Septic Design & Evaluation compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Collin County Septic Design & Evaluation (this business)—534.5 (8)—NoNo
A-1 Septic Service#8544.4 (29)—YesYes20.7 mi
Sigma Solutions Septic Services LLC#9544.9 (54)—YesNo16.4 mi
Shark Septic Service#11525.0 (32)—NoNo12.3 mi

See all 31 ranked septic service companies in Greenville