Updated: Jul 07, 2026
Location and Projects
Address
4280 Washington Street, Roslindale, MA, 02131
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Trethewey Bros Plumber
Trethewey Bros Inc, 4280 Washington St, Roslindale, MA (Owned by: Robert Trethewey) holds a Home Improvement Contractor license and 10 other licenses according to the Massachusetts license board.
Their BuildZoom score of 114 ranks in the top 2% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Trethewey Bros Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Trethewey Bros Inc Services
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Trethewey Bros Inc Contact Information
Phone Number: (617) 325-3283
Edit
Address: 4280 Washington Street, Roslindale, MA 02131
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Trethewey Bros Inc Roslindale
Quality
114
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Trethewey Bros Inc has a BuildZoom score of 114, which places them above 98% of 139,240 contractors in Massachusetts.
Activity
|
1 project
|
2026 |
|
39 projects
|
2025 |
|
138 projects
|
2024 |
|
174 projects
|
2023 |
Our building permit records indicate that Trethewey Bros Inc has worked on at least
352.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
329 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Trethewey Bros Inc mostly works on
plumbing project
projects.
Pricing
|
318 projects
|
< $5k |
|
33 projects
|
$5k-$20k |
|
5 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Trethewey Bros Inc Reviews
5 out of 5 stars, based on
2
reviews
-
AnonymousJuly 27, 2018
-
By David H.March 24, 2017Verified Hire
We've always been happy with Trethewey Bros. They do good work at a fair price.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Water piping for new irrigation meter
Valuation:
$3,000
Permit #:
P-25-0171
Status:
final
Fee:
$105
Permit Type:
New
Building Type:
N/A
Gas fit for furnace replacement
Valuation:
$500
Permit #:
G-25-0144
Status:
issued
Fee:
$40
Permit Type:
Replacement
Building Type:
N/A
Gas fit for furnace replacement
Valuation:
$500
Permit #:
G-25-0144
Status:
issued
Fee:
$40
Permit Type:
Replacement
Building Type:
N/A
Gas fit for furnace replacement
Valuation:
$500
Permit #:
G-25-0018
Status:
issued
Fee:
$35
Permit Type:
Replacement
Building Type:
N/A
Gas fit for furnace replacement
Valuation:
$500
Permit #:
G-25-0018
Status:
issued
Fee:
$35
Permit Type:
Replacement
Building Type:
N/A
Water heater replacement
Valuation:
$500
Permit #:
P-25-0354
Status:
final
Fee:
$35
Permit Type:
Replacement
Building Type:
N/A
Water heater replacement
Valuation:
$500
Permit #:
G-25-0353
Status:
final
Fee:
$35
Permit Type:
Replacement
Building Type:
N/A
Water heater replacement
Valuation:
$500
Permit #:
G-25-0353
Status:
final
Fee:
$35
Permit Type:
Replacement
Building Type:
N/A
Water heater replacement
Valuation:
$600
Permit #:
PP-2025-000421
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Water piping for boiler
Valuation:
$1,500
Permit #:
PP-2025-000420
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Water heater replacement
Valuation:
$800
Permit #:
GP-2025-000248
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Water heater replacement
Valuation:
$500
Permit #:
PP-2025-000344
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Water heater replacement
Valuation:
$500
Permit #:
GP-2025-000205
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
2 water heater replacements
Valuation:
$850
Permit #:
PP-2025-000313
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
2 water heater replacements
Valuation:
$850
Permit #:
GP-2025-000182
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Water heater replacement
Valuation:
$800
Permit #:
GP-2025-000138
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Water heater replacement
Valuation:
$800
Permit #:
PP-2025-000246
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Water heater replacement
Valuation:
$750
Permit #:
GP-2025-000124
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Water heater replacement
Valuation:
$700
Permit #:
P-25-0148
Status:
final
Fee:
$35
Permit Type:
Replacement
Building Type:
N/A
Water heater replacement
Valuation:
$700
Permit #:
P-25-0148
Status:
final
Fee:
$35
Permit Type:
Replacement
Building Type:
N/A
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124
BZ Score
$5K
Avg Project
-
Projects
123
BZ Score
$3.3K
Avg Project
-
Projects
123
BZ Score
$2K
Avg Project
-
Projects
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Verified License
BuildZoom confirmed this contractor's license
Trethewey Bros Inc License info
Verified License
| License # | 102399 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 08-06-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Trethewey Bros Inc at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 11207 |
| Status | Active |
| State | Massachusetts |
| Type | Plumber |
- When BuildZoom last verified this license, it had an expiration date of May, 2024. Check the current license status of Trethewey Bros Inc with the Commonwealth of Massachusetts E-Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| State | Massachusetts |
| Type | Plumbing Business |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Trethewey Bros Inc with the Commonwealth of Massachusetts E-Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 10731 |
| Status | Active |
| State | Massachusetts |
| Type | Master Plumber |
- When BuildZoom last verified this license, it had an expiration date of May, 2016. Check the current license status of Trethewey Bros Inc with the Massachusetts Department of Consumer Affairs and Business Regulation
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 7836 |
| Status | Active |
| State | Massachusetts |
| Type | Master Plumber |
- When BuildZoom last verified this license, it had an expiration date of May, 2012. Check the current license status of Trethewey Bros Inc with the Massachusetts Department of Consumer Affairs and Business Regulation
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 7836, 14567 |
| Status | Active |
| State | Massachusetts |
| Type | Master Plumber |
- When BuildZoom last verified this license, it had an expiration date of May, 2016. Check the current license status of Trethewey Bros Inc with the Massachusetts Department of Consumer Affairs and Business Regulation
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 20168 |
| Status | Active |
| State | Massachusetts |
| Type | Journeyman Plumber, Master Plumber |
- When BuildZoom last verified this license, it had an expiration date of May, 2016. Check the current license status of Trethewey Bros Inc with the Massachusetts Department of Consumer Affairs and Business Regulation
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Newton |
| Type | Plumbing 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 Trethewey Bros Inc at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Newton |
| Type | Plumbing 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 Trethewey Bros Inc at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 7836 |
| Status | Inactive |
| State | Massachusetts |
| Type | Plumber |
- 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 Trethewey Bros Inc 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 # | 10731 |
| Status | Inactive |
| State | Massachusetts |
| Type | Plumber |
- 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 Trethewey Bros Inc at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
114
BuildZoom Score
4.7K
Permits
- Building permit records show that Trethewey Bros Inc has worked on 4673 permitted projects.
Trethewey Bros Inc Employees
GT
George S. Trethewey
MF
Michael K Flanagan
Responsible Person
RT
Richard S. Trethewey
RT
Robert K Trethewey
Responsible Person
RT
Robert K. Trethewey
RT
Robert Trethewey
Owner
TI
Trethewey Bros., Inc.
Owner
I called Trethewey brothers in Roslindale. They sent out a sub contractor and they fixed it. It cost me almost five hundred but it is fixed and they cleaned the outside unit. Perfect work