Updated: Jun 01, 2026
Location and Projects
Address
16 CROSS ST, New Canaan, CT, 06840
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Karp Coastal Builders Construction
Karp Coastal Builders LLC, 16 Cross St, New Canaan, CT (Owned by: Arnold M Karp) holds a New Home Contractor license and 10 other licenses according to the Connecticut license board.
Their BuildZoom score of 91 ranks in the top 37% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Karp Coastal Builders LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Karp Coastal Builders LLC Services
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Karp Coastal Builders LLC Contact Information
Phone Number: (203) 972-3366
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Address: 16 CROSS ST, New Canaan, CT 06840
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Building Permits by Karp Coastal Builders LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Renovate the locker rooms at the jewish community center approx 10, 051 sqft this project will also require electrical plumbing fire alarm and hvac permits. non sprinklered
Valuation:
$1,500,000
Permit #:
B-19-516
Status:
issued
Fee:
$25,215
Permit Type:
Alterations - com...
Building Type:
Commercial
Perform interior alterations to the jewish community center -approximately 8, 000 sq feet
Valuation:
$600,000
Permit #:
B-20-607
Status:
issued
Fee:
$10,131
Permit Type:
Alterations - com...
Building Type:
Commercial
Perform interior alterations to the jewish community center -approximately 8, 000 sq feet
Valuation:
$600,000
Permit #:
TB-20-607
Status:
filed
Fee:
$10,131
Permit Type:
Alterations - com...
Building Type:
Commercial
Renovate kitchen. **1/5/18: process refund in the amount of $714.52. cc in the name of robin carroll. charge date of 12/12/17. ***remove when accepted and send to health, epb and zoning. package sent.*** before we accept this application we need to know if you are removing any wall and ceiling sheetrock. if not it is not required to take out a building permit. you will need to obtain ... see more
Valuation:
$52,000
Permit #:
TB-17-2225
Status:
filed
Fee:
$714
Permit Type:
Alterations - Res...
Building Type:
Single Family
Renovation of condo includes 3 new bathrooms includes all new fixtures, new tile, new electrical, new plumbing. new kitchen cabinets and appliances. new flooring, new hardware, paint, update electrical, new washer/dryer.
Valuation:
$150,000
Permit #:
B-15-1103
Status:
complete
Fee:
$2,014
Permit Type:
Renovation - Resi...
Building Type:
Condo
Update kitchen cabinets & appliances. update vanity, tile, & plumbing fixtures in master bathroom. *no walls being removed or relocated*
Valuation:
$58,762
Permit #:
B-17-771
Status:
complete
Fee:
$807
Permit Type:
Renovation - Resi...
Building Type:
Single Family
New 2 sty. single family dwelling w/5 bedrms unfinished attic & unfinished bsm't. dbg mechk r-33, r-19, r-19
Valuation:
$800,000
Permit #:
BLD-2002-62257
Status:
final
Fee:
$8,128
Permit Type:
N/A
Building Type:
N/A
2 car garage mud room wet bar & pavilion
Valuation:
$675,000
Permit #:
B-2010-0540
Status:
complete
Fee:
$7,828
Permit Type:
434 alterations t...
Building Type:
Single family house
Interior renovations to s/f house, remove bedroom to create master suite, remove second floor porch and keep open deck as per submitted stamped/sealed plans
Valuation:
$150,000
Permit #:
BLD-1997-56130
Status:
final
Fee:
$1,202
Permit Type:
N/A
Building Type:
N/A
Resurface existing deck with pvc decking and railing, also build new stair case using existing structure and adding joist to achieve 12 inch on center max spacing
Valuation:
$19,500
Permit #:
B-14-894
Status:
complete
Fee:
$270
Permit Type:
Decks - Residential
Building Type:
Single Family
New single family dwelling 2 sty's w garage below w bdrms. ( boca 1996)
Valuation:
$285,000
Permit #:
BLD-2003-63673
Status:
final
Fee:
$2,896
Permit Type:
N/A
Building Type:
N/A
Bathroom remodel. replace existing shower/tub, toilet and sink with new fixtures.
Valuation:
$6,750
Permit #:
B-16-2203
Status:
issued
Fee:
$142
Permit Type:
Renovation - Resi...
Building Type:
Condo
Renovate & addition to existing struture
Valuation:
$500,000
Permit #:
B-2005-1306
Status:
issued
Fee:
$5,080
Permit Type:
434 additions to ...
Building Type:
Single family house
Addition 1st floor bathroom deck & interior alterations to kitchen
Valuation:
$180,000
Permit #:
B-2003-0529
Status:
issued
Fee:
$1,829
Permit Type:
434 additions to ...
Building Type:
N/A
Remodel 3 baths & install elevator
Valuation:
$115,000
Permit #:
BLD-2012-74561
Status:
final
Fee:
$1,180
Permit Type:
N/A
Building Type:
N/A
Kitchen addition renovations
Valuation:
$250,000
Permit #:
B-2006-0060
Status:
complete
Fee:
$2,540
Permit Type:
434 alterations t...
Building Type:
Single family house
Seasonal 40 x 20 tent
Valuation:
N/A
Permit #:
B-22-640
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior renovations to second floor for bedrooms bathrooms closets
Valuation:
$100,000
Permit #:
BLD-2008-69684
Status:
final
Fee:
$1,016
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$350,000
Permit #:
11-662/000 000 BLD1 00
Status:
C.O. ISSUED
Fee:
$7,300
Permit Type:
Residential build...
Building Type:
N/A
No Description Available
Valuation:
$180,000
Permit #:
10-1045/000 000 BOO1 00
Status:
C.O. ISSUED
Fee:
$3,015
Permit Type:
Building permit
Building Type:
N/A
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Karp Coastal Builders LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Karp Coastal Builders LLC License info
Verified License
| License # | NHC.0017581 |
| Status | Active |
| State | Connecticut |
| Type | New Home Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Karp Coastal Builders LLC at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | NHC.0016401 |
| Status | Active |
| State | Connecticut |
| Type | New Home Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Karp Coastal Builders LLC at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | NAT-46231-2 |
| Status | Active |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Karp Coastal Builders LLC at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HIC.0530709 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Karp Coastal Builders LLC at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HIC.0638185 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Karp Coastal Builders LLC at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | NHC.0000367 |
| Status | Active |
| State | Connecticut |
| Type | New Home Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Karp Coastal Builders LLC at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HIC.0536195 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2024. Check the current license status of Karp Coastal Builders LLC with the Connecticut Department of Consumer Protection
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HIC.0647794 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2024. Check the current license status of Karp Coastal Builders LLC with the Connecticut Department of Consumer Protection
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 32179 |
| Status | Active |
| State | Rhode Island |
| Type | Residential Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2012. Check the current license status of Karp Coastal Builders LLC with the State of Rhode Island Contractors' Registration and Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 30565 |
| Status | Active |
| State | Rhode Island |
| Type | Residential Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2012. Check the current license status of Karp Coastal Builders LLC with the State of Rhode Island Contractors' Registration and Licensing Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NHC.0013058 |
| Status | Inactive |
| State | Connecticut |
| Type | New Home 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 Karp Coastal Builders LLC at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
58
Permits
- Building permit records show that Karp Coastal Builders LLC has worked on 58 permitted projects.
Karp Coastal Builders LLC Employees
AK
Arnold Karp
AK
Arnold M Karp
Owner