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Koski Construction CoGeneral contractor in Ashtabula, OH

Koski Construction Co is a general contractor at 5841 Woodman Ave, Ashtabula, OH 44004, ranked #23 of 32 general contractors in Ashtabula and rated 3.7 from 3 Google reviews. Open Monday to Friday.

Ashtabula, OHUpdated 0 paid placements in any rankingHow we rank

Call (440) 997-5337

Key facts

Key facts about Koski Construction Co
Address5841 Woodman Ave, Ashtabula, OH 44004Get directions
Phone(440) 997-5337
HoursMonday to Friday: 8:30 AM – 3:30 PM
Google rating3.7 from 3 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Ashtabula and 4 towns within 25 miles: North Madison, Conneaut, Chardon and Painesville.

Based in Ashtabula, OHView on map

Opening hours

Opening hours for Koski Construction Co
DayHours
Monday8:30 AM – 3:30 PM
Tuesday8:30 AM – 3:30 PM
Wednesday8:30 AM – 3:30 PM
Thursday8:30 AM – 3:30 PM
Friday8:30 AM – 3:30 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 × 0.95 East North Central factor (2025 Cost vs. Value Report)$13,850$25,610$39,490
Bathroom remodelPer bathroom: typical range of customer-reported remodels. US national range × 0.95 East North Central factor (2025 Cost vs. Value Report)$6,340$11,580$16,830

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

Compare nearby general contractors

Koski Construction Co compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Koski Construction Co (this business)—523.7 (3)—NoNo
Marks Building Co#21524.8 (19)—NoNo20.9 mi
X-Pro Concepts LLC#22523.7 (3)—YesYes19.9 mi
Trendy Walls Inc#24515.0 (13)—NoNo21.1 mi

See all 32 ranked general contractors in Ashtabula

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

3.7from 3 Google reviews

Hired Koski Construction Co? Write a review

Questions about Koski Construction Co

How is Koski Construction Co ranked in Ashtabula?

Koski Construction Co is ranked #23 of 32 general contractors in Ashtabula by CR Score, with 52 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 Koski Construction Co’s hours?

Koski Construction Co is open Monday to Friday. Its listed hours are Monday to Friday, 8:30 AM – 3:30 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Koski Construction Co serve?

Serves Ashtabula and 4 towns within 25 miles: North Madison, Conneaut, Chardon and Painesville. 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 Koski Construction Co?

Koski Construction Co has a rating of 3.7 from 3 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 Koski Construction Co?

Call Koski Construction Co on (440) 997-5337. The business is at 5841 Woodman Ave, Ashtabula, OH 44004. Ask for a written estimate before any work starts.

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