Updated: Jul 17, 2025
Location and Projects
Address
488 Chelmsford Street, Lowell, MA, 01851
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Welch Brothers Plumber
Welch Brothers, 488 Chelmsford St, Lowell, MA (Owned by: Thomas F. Careyjr.) holds a license and 3 other licenses according to the Massachusetts license board.
Their BuildZoom score of 113 ranks in the top 3% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Welch Brothers, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Welch Brothers Services
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Welch Brothers Contact Information
Phone Number: (978) 453-2100
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Address: 488 Chelmsford Street, Lowell, MA 01851
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Welch Brothers Lowell
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Welch Brothers has a BuildZoom score of 113, which places them above 97% of 139,240 contractors in Massachusetts.
Activity
|
1 project
|
2025 |
|
15 projects
|
2023 |
Our building permit records indicate that Welch Brothers has worked on at least
16.0 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
|
10 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Welch Brothers mostly works on
plumbing project
projects.
Pricing
|
14 projects
|
< $5k |
|
1 project
|
$5k-$20k |
The typical size of their permits is approximately $1,750. This graph shows the distribution of these job values.
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace (2) grease interceptors in the kitchen
Valuation:
$5,000
Permit #:
PP-25-330
Status:
issued
Fee:
N/A
Permit Type:
New fixtures
Building Type:
N/A
Hot water heater replacement
Valuation:
$100
Permit #:
202300748
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
101 single family
Installation of new toilet and lavatory
Valuation:
$4,000
Permit #:
202209120
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
101 single family
3 cross connection device 11 hose end vacuum breakers
Valuation:
$5,000
Permit #:
202108518
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
441 potentially ...
Water connection to boiler
Valuation:
$7,800
Permit #:
202203234
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
104 two-family
5 cross connection device
Valuation:
$7,500
Permit #:
202202158
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
906 churches syn...
Boiler replacement
Valuation:
$5,000
Permit #:
22-28G
Status:
expired
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Boiler replacement
Valuation:
$5,000
Permit #:
202206112
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
101 single family
Install gas line for boiler
Valuation:
$2,000
Permit #:
202205783
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
101 single family
2 back flow preventers
Valuation:
$6,000
Permit #:
202203286
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
404 research & d...
Gas supply line to boiler
Valuation:
$300
Permit #:
202203235
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
104 two-family
2 cross connection device
Valuation:
$2,500
Permit #:
202202341
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
326 eating & dri...
Cross connection device
Valuation:
$2,000
Permit #:
202202051
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
104 two-family
6 cross connection device
Valuation:
$3,500
Permit #:
202201202
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
326 eating & dri...
3 cross connection devices
Valuation:
$2,750
Permit #:
202200847
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
325 small rtl & ...
2 water heaters; 1 boiler water supply w/9d
Valuation:
$12,500
Permit #:
202100129
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
995 condo main
Water heater all types fhw boiler supply w/9d
Valuation:
$2,500
Permit #:
202108905
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
102 condominium
Water heater all types fhw boiler supply w/9d
Valuation:
$2,500
Permit #:
202108904
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
102 condominium
Boiler installation
Valuation:
$500
Permit #:
202208712
Status:
issued
Fee:
N/A
Permit Type:
(plmg) - plumbing...
Building Type:
111 four to eigh...
Boiler replacement
Valuation:
$2,000
Permit #:
22-18P
Status:
expired
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
124
BZ Score
$5K
Avg Project
-
Projects
123
BZ Score
$3.3K
Avg Project
-
Projects
123
BZ Score
$2K
Avg Project
-
Projects
Welch Brothers Reviews
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Verified License
BuildZoom confirmed this contractor's license
Welch Brothers License info
Verified License
| License # | MA6537P |
| Status | Active |
| State | Massachusetts |
- BuildZoom has not verified this license since January, 2010.
Verify this license's status for Welch Brothers 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 # | 1501 |
| Status | Active |
| State | Massachusetts |
| Type | Plumbing Corporation |
- When BuildZoom last verified this license, it had an expiration date of May, 2012. Check the current license status of Welch Brothers 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
| License # | 1501 |
| Status | Inactive |
| State | Massachusetts |
| Type | Plumbing 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 Welch Brothers 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 # | 1154 |
| Status | Inactive |
| State | Massachusetts |
| Type | Plumbing 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 Welch Brothers at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
335
Permits
- Building permit records show that Welch Brothers has worked on 335 permitted projects.
Welch Brothers Employees
TJ
Thomas F Carey Jr
Owner
TC
Thomas F. Careyjr.
Owner