Jim Kostroski Construction LLCHome builder in Byron, MN
Jim Kostroski Construction LLC is a home builder in Byron, MN, ranked #3 of 44 home builders in Byron and rated 5.0 from 6 Google reviews. Open 7 days a week.
Byron, MNUpdated 0 paid placements in any rankingHow we rank
Key facts
| Phone | (507) 269-0466 |
|---|---|
| Website | jkconstructionmn.com |
| Hours | Monday to Sunday: 7 AM – 8 PM |
| Google rating | 5.0 from 6 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- Home Buildermain tradeGoogle main category
Service area
Serves Byron and 8 towns within 40 miles: Rochester, Kasson, Stewartville, Lake City, Owatonna, Austin, Red Wing and Faribault.
Based in Byron, MNView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 7 AM – 8 PMevening |
| Tuesday | 7 AM – 8 PMevening |
| Wednesday | 7 AM – 8 PMevening |
| Thursday | 7 AM – 8 PMevening |
| Friday | 7 AM – 8 PMevening |
| Saturday | 7 AM – 8 PMevening |
| Sunday | 7 AM – 8 PMevening |
- Open evenings (after 6 PM)
- Open Saturdays
- Open Sundays
Compare nearby home builders
| Business | Rank | CR Score | Google rating | License verified | Saturday | Sunday | Distance away |
|---|---|---|---|---|---|---|---|
| Jim Kostroski Construction LLC (this business) | — | 59 | 5.0 (6) | — | Yes | Yes | |
| Med City Builders of Rochester, LLC | #1 | 61 | 4.4 (33) | — | — | — | 2.5 mi |
| Premier Builders of Rochester, Inc. | #2 | 60 | 4.9 (38) | — | No | No | 2.1 mi |
| Ridgeline Homes | #4 | 59 | 5.0 (10) | — | — | — | 6.0 mi |
Reviews
ContractorsRanked reviews
No ContractorsRanked reviews yet
5.0from 6 Google reviews
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Questions about Jim Kostroski Construction LLC
How is Jim Kostroski Construction LLC ranked in Byron?
Jim Kostroski Construction LLC is ranked #3 of 44 home builders in Byron by CR Score, with 59 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 Jim Kostroski Construction LLC’s hours?
Jim Kostroski Construction LLC is open 7 days a week. Its listed hours are Monday to Sunday, 7 AM – 8 PM. On Saturdays it is open 7 AM to 8 PM, and on Sundays 7 AM to 8 PM. Hours come from the business listing; holiday hours may differ.
What areas does Jim Kostroski Construction LLC serve?
Serves Byron and 8 towns within 40 miles: Rochester, Kasson, Stewartville, Lake City, Owatonna, Austin, Red Wing and Faribault. The list is based on the business's location and the usual service radius for home building. Confirm your address is covered when you call.
What do Google reviews say about Jim Kostroski Construction LLC?
Jim Kostroski Construction LLC has a rating of 5.0 from 6 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 Jim Kostroski Construction LLC?
Call Jim Kostroski Construction LLC on (507) 269-0466. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.
Own Jim Kostroski Construction LLC? 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.