Location and Projects
Timothy J Callahan Construction
Timothy J Callahan, 11 Davis Rd, Chelmsford, MA (Owned by: Timothy Callahan) holds a Home Improvement Contractor license and 3 other licenses according to the Massachusetts 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 Timothy J Callahan, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Timothy J Callahan Services
Timothy J Callahan Contact Information
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This is a sample of this contractor's permits. Click here to access their complete permit history.
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Timothy J Callahan License info
Verified License
| License # | 120817 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Timothy J Callahan at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CSFA-069415 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor 1 & 2 Family |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Timothy J Callahan at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 206655 |
| Status | Active |
| City | Newton |
| Type | Residential Builder |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Timothy J Callahan with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 206655 |
| Status | Active |
| City | Newton |
| Type | Building Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Timothy J Callahan with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.