Updated: May 29, 2026
Location and Projects
Address
300 GEORGE ST, New Haven, CT, 06501
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Winstanley Construction Mngmnt HVAC/Mechanical Contractor
Winstanley Construction Mngmnt LLC, 300 George St, New Haven, CT holds a Mechanical Corporation license according to the Connecticut license board.
Their BuildZoom score of 97 ranks in the top 18% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Winstanley Construction Mngmnt LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Winstanley Construction Mngmnt LLC Services
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Winstanley Construction Mngmnt LLC Contact Information
Phone Number: (203) 624-5317
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Address: 300 GEORGE ST, New Haven, CT 06501
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Building Permits by Winstanley Construction Mngmnt LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Multi family or commercial addition alteration building permit application
2022-05-26
Renovation of existing suite for tenant fit-out. for coast guard
Valuation:
$94,263
Permit #:
BC-000757-2022
Status:
complete
Fee:
$2,982
Permit Type:
N/A
Building Type:
N/A
Revised estimate b-18-898 see attached. all trades. r walsh inspector: r walsh 203-946-9125
Valuation:
$1,521,463
Permit #:
B-18-755
Status:
complete
Fee:
$46,056
Permit Type:
Revised estimate
Building Type:
Commercial
Construct 6 story apartment building floors 3 to 6 unfinished ist and 2nd floor. permit needed for fitout 41 dwelling units and common areas. *meps included* r walsh inspector: r walsh 203-946-6125 certificate of occupancy
Valuation:
$14,455,000
Permit #:
B-16-898
Status:
complete
Fee:
$395,316
Permit Type:
New construction-...
Building Type:
N/A
Site prep utility moved per plans. **includes cost of mep permits for this phase only.** r walsh inspector: r walsh 203-946-6125 certificate of approval
Valuation:
$383,820
Permit #:
B-16-865
Status:
complete
Fee:
$10,520
Permit Type:
New construction-...
Building Type:
Commercial
Commercial 3+ apts municipal- building- addition alteration
2022-06-29
Demolish of existing walls and drop ceiling. removal of light fixtures and ductwork. removal of carpet and tile flooring. removal of bathroom fixtures
Valuation:
$92,006
Permit #:
BC-000961-2022
Status:
complete
Fee:
$2,058
Permit Type:
N/A
Building Type:
N/A
Interior renovation to a portion of 8th. flr.-phase ii & iii, achillion phar. construct metal stop partitions for lab rooms.
Valuation:
$185,000
Permit #:
B-2000-0416
Status:
issued
Fee:
$3,400
Permit Type:
Rehab. - Non-Resi...
Building Type:
N/A
Renovate portion of 2nd floor for ysm vivarium and melanoma lab area. firestop all floor/ceiling and rated partition assemblies. provide handicap accessibility exit signs and emergency lights. p santoro
Valuation:
$120,000
Permit #:
B-11-840
Status:
complete
Fee:
$3,324
Permit Type:
Rehab-non-residen...
Building Type:
Commercial
Interior alterations to a portion of 1st. floor for restaurant paula's. provide one hour tenant separation; fire stopping materials to floor/ceiling penatrations; exit signs; emergency lights fire alarm and sprinkler systems. see plans for details
Valuation:
$25,000
Permit #:
B-2002-1069
Status:
complete
Fee:
$474
Permit Type:
N/A
Building Type:
N/A
Interior renovations to existing lab/office space for achillion pharmaceuticals. remove and erect new partitions for offices and work areas. provide fire separation to all floor opening penetrations. maintain fire alarm and sprinkler systems
Valuation:
$21,000
Permit #:
B-2002-0902
Status:
issued
Fee:
$401
Permit Type:
N/A
Building Type:
N/A
Commercial 3+ apts municipal- building- addition alteration
2022-06-07
Demolish walls and drop ceilings. remove light fixtures and duck work carpet and tile flooring. remove bathroom fixtures and kitchen fixtures
Valuation:
$92,006
Permit #:
BC-000982-2022
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renovate a portion of 5th floor for office space for winstanley enterprizes. provide one hour rated tenant separated walls exit signs emergency lights; handicap accessibility
Valuation:
$15,000
Permit #:
B-2000-0546
Status:
complete
Fee:
$292
Permit Type:
Rehab. - non-resi...
Building Type:
N/A
Renovate portion of ground floor for offices. winstanley see code mod attached to allow 111 common path of travel the stairs construct all required five separations. d o'neill
Valuation:
$61,390
Permit #:
B-12-1184
Status:
complete
Fee:
$1,743
Permit Type:
Rehab-non-residen...
Building Type:
Commercial
Interior fire protection assembly repairs to stairwells and stairway guard and hand rails. see plan for details. p santoro insp: r walsh 203-9496-6125 cert of approval contractor: 203-624-5317
Valuation:
$22,920
Permit #:
B-13-288
Status:
issued
Fee:
$679
Permit Type:
Rehab-non-residen...
Building Type:
Commercial
Construct new open space for vax on portion of 5th floor. provide 1-hr. rated tenant separate walls; exit signs & emergency lights. maintain sprinkler & fire alarm systems. all mechanicals require separate permits
Valuation:
$2,700
Permit #:
B-2002-0442
Status:
complete
Fee:
$74
Permit Type:
N/A
Building Type:
N/A
Renovate select areas to ste 209 ysm. remove/erect new partitions for offices testing and break area. fire stop floor/ceiling and rated assembly penetrations. see plan for details. p santoro
Valuation:
$35,500
Permit #:
B-11-211
Status:
issued
Fee:
$1,034
Permit Type:
Rehab-non-residen...
Building Type:
Commercial
Interior renovations to portion of 8th floor for ysm neurology. provide handicap accessibility. firestop floor/ceiling and rated assemblies. see plan for details. p santoro
Valuation:
$68,000
Permit #:
B-12-231
Status:
issued
Fee:
$1,906
Permit Type:
Rehab-non-residen...
Building Type:
Commercial
Construct non-bearing metal stud & gypsum partitions to a portion of 5th. floor. (approx. 2, 364 sq. ft.) for office space. provide handicap accessibility; exit sign & emergency lights; fire-stopping at floor/ceiling & tenant separations. see-
Valuation:
$12,000
Permit #:
B-2001-0887
Status:
approved
Fee:
$237
Permit Type:
Rehab. - non-resi...
Building Type:
N/A
Construct three gypsum/metal stud smoke partition rooms for yale school of medicine (1st. floor) rooms to have automatic sprinkler system. provide fire-stopping to all floor/ceiling & wall penetrations. see plans for details
Valuation:
$21,000
Permit #:
B-2001-1017
Status:
approved
Fee:
$401
Permit Type:
Rehab. - non-resi...
Building Type:
N/A
Construct non-bearing metal stud/gypsum partitions for additional office space for yale school of medicine (6th. floor) provide fire-stopping to all floor/ceiling & wall penetrations; handicap access. see plans for details
Valuation:
$25,000
Permit #:
B-2001-1016
Status:
approved
Fee:
$474
Permit Type:
Rehab. - non-resi...
Building Type:
N/A
Construct two hour rated partition to separate future restaurant space (approx. 1920 sq.ft.) from unoccupied space on east side-first floor. provide fire-stopping where needed. additional permit required for tenant fit-out
Valuation:
$8,000
Permit #:
B-2001-0886
Status:
complete
Fee:
$145
Permit Type:
Rehab. - non-resi...
Building Type:
N/A
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Verified License
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Winstanley Construction Mngmnt LLC License info
Verified License
| License # | MCO.0901600 |
| Status | Active |
| State | Connecticut |
| Type | Mechanical Corporation |
| Date Issued | 07-01-2025 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Winstanley Construction Mngmnt LLC at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
9
Permits
- Building permit records show that Winstanley Construction Mngmnt LLC has worked on 9 permitted projects.