Updated: Jun 07, 2026
Location and Projects
Address
275 HOLLOW TREE RIDGE RD, Darien, CT, 06820
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Grunow Builders Construction
Grunow Builders Inc, 275 Hollow Tree Ridge Rd, Darien, CT holds a New Home Contractor license and 1 other license according to the Connecticut license board.
Their BuildZoom score of 93 ranks in the top 27% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Grunow Builders Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Grunow Builders Inc Services
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Grunow Builders Inc Contact Information
Address: 275 HOLLOW TREE RIDGE RD, Darien, CT 06820
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Convert room in existing finished basement to theater remodel kitchen repair 2 showers install laundery on 2nd floor
Valuation:
$90,000
Permit #:
BLD-2011-73072
Status:
final
Fee:
$923
Permit Type:
N/A
Building Type:
N/A
Remove existing roof and replace
Valuation:
$40,348
Permit #:
B-14-1725
Status:
complete
Fee:
$527
Permit Type:
Roofing - Residen...
Building Type:
Single Family
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Verified License
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Grunow Builders Inc License info
Verified License
| License # | NHC.0002849 |
| Status | Active |
| State | Connecticut |
| Type | New Home Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Grunow Builders Inc at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | HIC.0570372 |
| Status | Inactive |
| State | Connecticut |
| Type | Home Improvement Contractor |
- According to the Connecticut Department of Consumer Protection, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Grunow Builders Inc at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.