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Costello SepticsSeptic service company in San Antonio, TX

Costello Septics is a septic service company in San Antonio, TX, ranked #14 of 62 septic service companies in San Antonio and rated 5.0 from 16 Google reviews. Open 24 hours a day, 7 days a week.

San Antonio, TXUpdated 0 paid placements in any rankingHow we rank

Call (210) 564-4700Website ↗

Key facts

Key facts about Costello Septics
Phone(210) 564-4700
Websiteform.jotform.com
HoursOpen 24 hours, 7 days a week
Google rating5.0 from 16 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Septicmain tradeGoogle main category
  • Plumbingadditional Google category

Service area

Serves San Antonio and 11 towns within 25 miles: Kirby, Converse, Windcrest, Universal City, Terrell Hills, Schertz, Live Oak, Alamo Heights, Selma, Cibolo and Lackland Air Force Base.

Based in San Antonio, TXView on map

Opening hours

Opening hours for Costello Septics
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

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 16 Google reviews

Hired Costello Septics? Write a review

Questions about Costello Septics

How is Costello Septics ranked in San Antonio?

Costello Septics is ranked #14 of 62 septic service companies in San Antonio by CR Score, with 61 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 Costello Septics’ hours?

Costello Septics 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 Costello Septics serve?

Serves San Antonio and 11 towns within 25 miles: Kirby, Converse, Windcrest, Universal City, Terrell Hills, Schertz, Live Oak, Alamo Heights, Selma, Cibolo and Lackland Air Force Base. 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 Costello Septics?

Costello Septics has a rating of 5.0 from 16 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 Costello Septics?

Call Costello Septics on (210) 564-4700. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

Own Costello Septics? Claim this profile.

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

Costello Septics compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Costello Septics (this business)—615.0 (16)—YesYes
Bulldog Septic#12624.9 (79)—YesYes12.0 mi
Grease Police - Grease Trap Cleaning#13625.0 (60)—YesYes12.9 mi
Affordable & Independent Plumbing Services#15595.0 (12)—YesYes11.7 mi

See all 62 ranked septic service companies in San Antonio