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Grandelski Bros Gen ContractorsGeneral contractor in Killingly Center, CT

Grandelski Bros Gen Contractors is a general contractor at 877 Upper Maple St, Dayville, CT 06241, rated 5.0 from 1 Google review. Open 24 hours a day, 7 days a week.

Killingly Center, CT0 paid placements in any rankingHow we rank

Call (860) 774-0772

Key facts

Key facts about Grandelski Bros Gen Contractors
Address877 Upper Maple St, Dayville, CT 06241, Killingly Center, CTGet directions
Phone(860) 774-0772
HoursOpen 24 hours, 7 days a week
Google rating5.0 from 1 Google review

Trades

Each trade shows the evidence we matched it on.

  • General Contractingmain tradeGoogle main category

Service area

Serves Killingly Center and 11 towns within 25 miles: Putnam, Thompson, Plainfield, Windham, Mansfield City, Willimantic, Storrs, Preston City, Stafford, Norwich and Tolland.

Based in Killingly Center, CTView on map

Opening hours

Opening hours for Grandelski Bros Gen Contractors
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

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 × 1.02 New England factor (2025 Cost vs. Value Report)$14,840$27,440$42,320
Bathroom remodelPer bathroom: typical range of customer-reported remodels. US national range × 1.05 New England factor (2025 Cost vs. Value Report)$7,010$12,810$18,620

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

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 1 Google reviews

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Questions about Grandelski Bros Gen Contractors

What are Grandelski Bros Gen Contractors’ hours?

Grandelski Bros Gen Contractors 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 Grandelski Bros Gen Contractors serve?

Serves Killingly Center and 11 towns within 25 miles: Putnam, Thompson, Plainfield, Windham, Mansfield City, Willimantic, Storrs, Preston City, Stafford, Norwich and Tolland. 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 Grandelski Bros Gen Contractors?

Grandelski Bros Gen Contractors has a rating of 5.0 from 1 Google review. 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 Grandelski Bros Gen Contractors?

Call Grandelski Bros Gen Contractors on (860) 774-0772. The business is at 877 Upper Maple St, Dayville, CT 06241, Killingly Center, CT. Ask for a written estimate before any work starts.

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