Updated: Mar 17, 2026
Location and Projects
Address
160 POND ST., Winchester, MA, 01890
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Mary McKenna Associates Architect
Mary McKenna Associates Inc, 160 Pond St, Winchester, MA (Owned by: Gabriel Koontz) holds a Architect license and 2 other licenses according to the Florida license board.
Their BuildZoom score of 92 ranks in the top 32% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mary McKenna Associates Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mary McKenna Associates Inc Services
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Mary McKenna Associates Inc Contact Information
Phone Number: (781) 729-5318
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Address: 160 POND ST., Winchester, MA 01890
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Building Permits by Mary McKenna Associates Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Addition sub panel and wire 2 heat pumps
Valuation:
N/A
Permit #:
25-46E
Status:
expired
Fee:
$52
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Mary McKenna Associates Inc License info
Verified License
| License # | AR0017134 |
| Status | Active |
| State | Florida |
| Type | Architect |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Mary McKenna Associates Inc at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| State | Florida |
| Type | Architect Business Information |
- According to the Florida Department of Business & Professional Regulation, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 134956 |
| Status | Inactive |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- According to the Mass.gov Consumer Affairs and Business Regulation, 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 Mary McKenna Associates Inc at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Mary McKenna Associates Inc Employees
DS
David E Sullivan
Responsible Person
DS
David Sullivan
Owner
GK
Gabriel Koontz
Owner
ME
Mckenna Sullivan, Mary E