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Kostmayer Construction LLCGeneral contractor in Slidell, LA

Kostmayer Construction LLC is a general contractor at 1080 Old Spanish Trail #10, Slidell, LA 70458, ranked #26 of 157 general contractors in Slidell and rated 4.3 from 11 Google reviews. Open Monday to Friday.

Slidell, LAUpdated 0 paid placements in any rankingHow we rank

Call (504) 837-3320Website ↗

Key facts

Key facts about Kostmayer Construction LLC
Address1080 Old Spanish Trail #10, Slidell, LA 70458Get directions
Phone(504) 837-3320
Websitekostmayer.com
HoursMonday to Friday: 8 AM – 5 PM
Google rating4.3 from 11 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Slidell and 6 towns within 25 miles: Eden Isle, Lacombe, Mandeville, Meraux, Covington and Chalmette.

Based in Slidell, LAView on map

Opening hours

Opening hours for Kostmayer Construction LLC
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

Typical general contracting prices

Typical general contracting prices
JobLowTypicalHigh
Kitchen remodelPer project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 0.94 West South Central factor (2025 Cost vs. Value Report)$13,720$25,380$39,140
Bathroom remodelPer bathroom: typical range of customer-reported remodels. US national range × 0.88 West South Central factor (2025 Cost vs. Value Report)$5,850$10,690$15,540

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

Compare nearby general contractors

Kostmayer Construction LLC compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Kostmayer Construction LLC (this business)—544.3 (11)—NoNo
Lhj Contractor LLC#24543.0 (6)—YesNo2.0 mi
Johnson Services Construction#25545.0 (13)—YesYes19.8 mi
Tony's Home Improvement#27545.0 (8)—NoNo1.2 mi

See all 157 ranked general contractors in Slidell

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.3from 11 Google reviews

Hired Kostmayer Construction LLC? Write a review

Questions about Kostmayer Construction LLC

How is Kostmayer Construction LLC ranked in Slidell?

Kostmayer Construction LLC is ranked #26 of 157 general contractors in Slidell by CR Score, with 54 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 Kostmayer Construction LLC’s hours?

Kostmayer Construction LLC 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 Kostmayer Construction LLC serve?

Serves Slidell and 6 towns within 25 miles: Eden Isle, Lacombe, Mandeville, Meraux, Covington and Chalmette. The list is based on the business's location and the usual service radius for general contracting. Confirm your address is covered when you call.

What do Google reviews say about Kostmayer Construction LLC?

Kostmayer Construction LLC has a rating of 4.3 from 11 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 Kostmayer Construction LLC?

Call Kostmayer Construction LLC on (504) 837-3320. The business is at 1080 Old Spanish Trail #10, Slidell, LA 70458. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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