Updated: Jun 28, 2026
Location and Projects
Address
PO BOX 42, Old Greenwich, CT, 06870
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Mark Plonowski Construction
Mark Plonowski, Old, Po Box 42, Old Greenwich, CT holds a Home Improvement Contractor license according to the Connecticut license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Mark Plonowski, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Mark Plonowski Services
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Mark Plonowski Contact Information
Address: PO BOX 42, Old Greenwich, CT 06870
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Master bedroom bathroom powder room renovation. *lj 07/31/18 reverted for air conditioning condenser location* condenser location approved by frank conti 8/24/18
Valuation:
$160,000
Permit #:
B-18-1033
Status:
complete
Fee:
$2,147
Permit Type:
Additions - resid...
Building Type:
Single family
Remove bathroom tub. install office cabinet
Valuation:
$14,000
Permit #:
B-21-2201
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Master bedroom bathroom powder room renovation. *lj 07/31/18 reverted for air conditioning condenser location*
Valuation:
$160,000
Permit #:
TB-18-1033
Status:
filed
Fee:
$2,146
Permit Type:
Additions - resid...
Building Type:
Single family
Restoration work from water damage from 2nd floor plumbing failure including: kitchen powder room basement basement bathroom
Valuation:
$38,500
Permit #:
B-16-172
Status:
complete
Fee:
$542
Permit Type:
Renovation - resi...
Building Type:
Single family
Aka 13 ridgecrest rd - garage (one bay) addition, front porch addition, sunroom windows
Valuation:
$150,000
Permit #:
B-14-1647
Status:
complete
Fee:
$1,864
Permit Type:
Additions - Resid...
Building Type:
Single Family
No Description Available
Valuation:
$78,800
Permit #:
B-22-738
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$30,000
Permit #:
12-1321/000 000 BOO1 00
Status:
PERMIT PRINTED
Fee:
$390
Permit Type:
Building permit
Building Type:
N/A
Replace cabinets and some appliances addition recessed lights & replace a toilet & sink in powder room
Valuation:
$16,500
Permit #:
B-2004-1213
Status:
complete
Fee:
$172
Permit Type:
434 alterations t...
Building Type:
N/A
Replace windows
Valuation:
$122,000
Permit #:
B-2000-1033
Status:
issued
Fee:
$1,239
Permit Type:
437 Alter. to Com...
Building Type:
N/A
Remodel kitchen
Valuation:
$50,000
Permit #:
01-394/000 000 BLD1 00
Status:
C.O. ISSUED
Fee:
$507
Permit Type:
Residential build...
Building Type:
N/A
Construct exterior stairs
Valuation:
$5,600
Permit #:
B-2005-1097
Status:
complete
Fee:
$60
Permit Type:
434 alterations t...
Building Type:
Multi family house
Replace kitchen cabinets, counters, sink, lighting. ***remove if accepted and send to epb,health 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 an electrical and plumbing permit. please, let us know so we can continue the ... see more
Valuation:
$39,000
Permit #:
TB-18-1031
Status:
expired
Fee:
$679
Permit Type:
Alterations - Res...
Building Type:
Condo
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Mark Plonowski License info
Verified License
| License # | HIC.0556708 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Mark Plonowski at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
11
Permits
- Building permit records show that Mark Plonowski has worked on 11 permitted projects.