Updated: Apr 21, 2026
Location and Projects
Address
300 WASHINGTON ST #3, Boston, MA, 02121
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Acs Mechanical LLC
Acs Mechanical LLC at 300 WASHINGTON ST #3, Boston, MA 02121, held a HVAC/Mechanical Contractor license (#550) with the Massachusetts contractors license board with an expiration date of 11-08-2020. We last verified the license was expired on 04-20-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 139,240 Massachusetts contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
Acs Mechanical LLC Contact Information
Phone Number: (781) 308-1151
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Address: 300 WASHINGTON ST #3, Boston, MA 02121
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Installation of the new ductwork and new registers grilles and diffusers for the office renovation project at this location
Valuation:
N/A
Permit #:
SMTL-073032-2018
Status:
issued
Fee:
N/A
Permit Type:
Commerical
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
SMTL-047977-2016
Status:
issued
Fee:
N/A
Permit Type:
Commerical
Building Type:
N/A
Re installing diffusers into existing space
Valuation:
$1,000
Permit #:
SM15-000150
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Reinstalling diffusers phase 2
Valuation:
$5,000
Permit #:
SM16-000003
Status:
issued
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
SMTL-055629-2017
Status:
issued
Fee:
N/A
Permit Type:
Commerical
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
SMTL-038931-2016
Status:
issued
Fee:
N/A
Permit Type:
Commerical
Building Type:
N/A
Fabricate and connect new ductwork to existing system. air handlers and condensers by others
Valuation:
$10,000
Permit #:
MP-2014-0266
Status:
issued
Fee:
$200
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
SMTL-024945-2015
Status:
issued
Fee:
N/A
Permit Type:
Commerical
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
SMTL-016855-2014
Status:
issued
Fee:
N/A
Permit Type:
Commerical
Building Type:
N/A
Re installing diffusers into existing space
Valuation:
$1,000
Permit #:
SM15-000150
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Necn reolcate diffusers
Valuation:
$9,000
Permit #:
14110491
Status:
complete
Fee:
$167
Permit Type:
N/A
Building Type:
N/A
Reinstalling diffusers phase 2
Valuation:
$5,000
Permit #:
SM16-000003
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Acs Mechanical LLC Reviews
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Acs Mechanical LLC License info
Inactive License
| Status | Inactive |
| State | Massachusetts |
| Type | Sheet Metal Business |
- According to the Commonwealth of Massachusetts E-Licensing Board, 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 Acs Mechanical LLC at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 3013 |
| Status | Inactive |
| City | Newton |
| Type | Sheetmetal Contractor |
- According to the City of Newton Massachusetts, 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 Acs Mechanical LLC at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
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- *No active license on file. If you are Acs Mechanical LLC, click “This is My Business” to update your information.
9
Permits
- Building permit records show that Acs Mechanical LLC has worked on 9 permitted projects.
Acs Mechanical LLC Employees
GL
Gary A Lynch
Owner