Updated: Jun 13, 2026
Location and Projects
Address
Waltham, MA, 02452
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John C Welch Construction
John C Welch, Waltham, MA holds a Building Licenses, Construction Supervisor license according to the Massachusetts 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 John C Welch, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
John C Welch Services
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John C Welch Contact Information
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John C Welch Waltham
Quality
92
68th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
John C Welch has a BuildZoom score of 92, which places them above 68% of 139,240 contractors in Massachusetts.
Activity
|
1 project
|
2024 |
Our building permit records indicate that John C Welch has worked on at least
1.0 project over the past 2 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.
Pricing
|
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Furnish and install aluminum storefront and safety glass partition walls *all work must be in accordance with 780 cmr and brookline zoning by-laws
Valuation:
$75,500
Permit #:
BP-2024-000322
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace 2 gas water boilers and install 2 storage tanks. replace water piping due to major freeze up
Valuation:
$15,000
Permit #:
PL807830
Status:
filed
Fee:
$45
Permit Type:
N/A
Building Type:
1-2fam
Replace warm air furnace
Valuation:
$80,000
Permit #:
G941317
Status:
filed
Fee:
$27
Permit Type:
N/A
Building Type:
1-4fam
Replace gas fired hot water boiler with a combi boiler
Valuation:
$8,500
Permit #:
G938525
Status:
filed
Fee:
$34
Permit Type:
N/A
Building Type:
1-2fam
Unit #2--repair gas leak and test system. gas meter has been locked by the gas company
Valuation:
$500
Permit #:
G911088
Status:
complete
Fee:
$32
Permit Type:
N/A
Building Type:
1-4fam
Apartment. #1--replace hot water boiler
Valuation:
$850
Permit #:
G924677
Status:
filed
Fee:
$28
Permit Type:
N/A
Building Type:
1-4fam
Apartment. #2--replace hot water boiler
Valuation:
$1,200
Permit #:
PL922625
Status:
filed
Fee:
$25
Permit Type:
N/A
Building Type:
1-4fam
Apartment. #1--replace hot water boiler
Valuation:
$1,200
Permit #:
G915759
Status:
filed
Fee:
$28
Permit Type:
N/A
Building Type:
1-4fam
Unit #2--install combi boiler
Valuation:
$9,500
Permit #:
G917179
Status:
filed
Fee:
$33
Permit Type:
N/A
Building Type:
1-4fam
Replace gas fired steam boiler
Valuation:
$9,500
Permit #:
G911402
Status:
filed
Fee:
$44
Permit Type:
N/A
Building Type:
1-4fam
Unit #a--replace hot water boiler
Valuation:
$1,200
Permit #:
G914932
Status:
filed
Fee:
$28
Permit Type:
N/A
Building Type:
1-4fam
Unit #2--install combi boiler
Valuation:
$9,500
Permit #:
PL917185
Status:
filed
Fee:
$30
Permit Type:
N/A
Building Type:
1-4fam
Replace gas hot water boiler
Valuation:
N/A
Permit #:
PL938125
Status:
filed
Fee:
$25
Permit Type:
N/A
Building Type:
1-4fam
Replace gas fired steam boiler
Valuation:
$1,200
Permit #:
G943601
Status:
filed
Fee:
$29
Permit Type:
N/A
Building Type:
1-2fam
Replace gas hot water boiler
Valuation:
$1,200
Permit #:
G938124
Status:
filed
Fee:
$28
Permit Type:
N/A
Building Type:
1-2fam
Replace gas hot water boiler
Valuation:
$1,200
Permit #:
G938120
Status:
filed
Fee:
$28
Permit Type:
N/A
Building Type:
1-2fam
Replace gas hot water boiler
Valuation:
$1,200
Permit #:
G938117
Status:
filed
Fee:
$28
Permit Type:
N/A
Building Type:
1-2fam
-replace 3-hot water boilers
Valuation:
$3,200
Permit #:
PL922626
Status:
filed
Fee:
$35
Permit Type:
N/A
Building Type:
1-4fam
Repaired a gas leak in basement and put 2 meters on test
Valuation:
N/A
Permit #:
G898906
Status:
filed
Fee:
$30
Permit Type:
N/A
Building Type:
1-4fam
Replace gas water heater with a gas fired tankless
Valuation:
$5,200
Permit #:
PL883186
Status:
filed
Fee:
$25
Permit Type:
N/A
Building Type:
1-3fam
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John C Welch Reviews
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Verified License
BuildZoom confirmed this contractor's license
John C Welch License info
Verified License
| License # | CS-088394 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for John C Welch at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
185
Permits
- Building permit records show that John C Welch has worked on 185 permitted projects.