Updated: Jun 19, 2026
Location and Projects
Address
1204 Hartsville-NM Rd., New Marlborough, MA, 01230
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William Cromwell Construction
Based in New Marlborough, Massachusetts, William Cromwell has over two decades of experience in the construction industry. Serving clients throughout New Marlborough and nearby communities, Cromwell specializes in residential projects that include home renovations, remodeling, and custom carpentry work. With a history spanning 24 years, his portfolio reflects a range of completed projects for homeowners, from structural updates to finishing details. Cromwell works with a variety of materials and is known for executing custom solutions tailored to the specific needs of each property. His experience encompasses work on both historic homes and newer residences, addressing the unique requirements and standards of each. Homeowners in the region often turn to Cromwell for reliable construction services grounded in technical skill and local knowledge.
William Cromwell Services
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William Cromwell Contact Information
Phone Number: (413) 854-8679
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Address: 1204 Hartsville-NM Rd., New Marlborough, MA 01230
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William Cromwell New Marlborough
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
William Cromwell has a BuildZoom score of 100, which places them above 87% of 139,240 contractors in Massachusetts.
Activity
|
4 projects
|
2025 |
|
4 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that William Cromwell has worked on at least
11.0 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
|
4 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that William Cromwell mostly works on
home addition
projects.
Pricing
|
1 project
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $174,000. 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.
The proposed scope of work includes replacing nearly all existing windows repair and replacement of rotted siding and trim elements replacement of roofing and removal of masonry chimneys no longer in use above the roof line
Valuation:
$250,000
Permit #:
R-25-0066
Status:
issued
Fee:
$1,365
Permit Type:
Repair siding win...
Building Type:
N/A
Scope of work involves the construction of a new accessory building to be used as a storage barn/garage. there will be a new electrical service established to serve new electrical loads. there is to be no bathrooms nor water except for one or two outdoor spigots
Valuation:
$748,500
Permit #:
R-24-0081
Status:
issued
Fee:
$4,513
Permit Type:
Accessorybldg
Building Type:
N/A
The proposed sow involves interior alterations to existing barn adu (756 sf of finished space is proposed) main house bathroom and main house kitchen/dining room renovations all detailed in the attached plan set. a newly installed septic system to serve main house and barn adu is included in the sow as well
Valuation:
$309,000
Permit #:
R-23-0035
Status:
final
Fee:
$1,808
Permit Type:
Repair alteration
Building Type:
N/A
The proposed sow involves interior alterations to existing barn adu (756 sf of finished space is proposed) main house bathroom and main house kitchen/dining room renovations all detailed in the attached plan set. a newly installed septic system to serve main house and barn adu is included in the sow as well
Valuation:
$309,000
Permit #:
R-23-0035
Status:
final
Fee:
$1,808
Permit Type:
Repair alteration
Building Type:
N/A
Major project items include addition of a new conditioned structure between existing home and semi detached screened porch. 5 extension of existing indoor pool structure and reconfiguration of windows/doors. addition of a new exterior gunnite spa removal of existing patio to be replaced with new wood deck assemblies. establish egress for basement room. removal of existing paved drivew... see more
Valuation:
$1,937,500
Permit #:
R-23-0062
Status:
complete
Fee:
$11,647
Permit Type:
Alteration
Building Type:
N/A
Major project items include addition of a new conditioned structure between existing home and semi detached screened porch. 5 extension of existing indoor pool structure and reconfiguration of windows/doors. addition of a new exterior gunnite spa removal of existing patio to be replaced with new wood deck assemblies. establish egress for basement room. removal of existing paved drivew... see more
Valuation:
$1,937,500
Permit #:
R-23-0062
Status:
complete
Fee:
$11,647
Permit Type:
Alteration
Building Type:
N/A
Garage to gym conversion. sow of work includes eliminating existing sliding garage doors framing in one bay installing new overhead door framing in stairs to loft above installing new insulation/sheetrock new paint rubber floor tiles and installing a minisplit system to condition the new gym space
Valuation:
$56,000
Permit #:
R-24-0068
Status:
issued
Fee:
$300
Permit Type:
Alteration
Building Type:
N/A
Application approved with the top row of solar panels moved to the bottom and the east end of the open shed to be filled in with same style as the shed itself application continued again until 12.13.23 meeting - continued to 11.08.23 okh meeting1. addition of an unenclosed 40 x 10 shed roof to the north side of an existing building. the building is approximately 50 years old behind hi... see more
Valuation:
$90,000
Permit #:
OKH-023184-2023
Status:
complete
Fee:
$49
Permit Type:
N/A
Building Type:
N/A
Proposed work includes demolition of existing sunroom to be extended roughly 4 and re-built. other items within sow include new kitchen millwork and finishes as well as the addition of 1 new window in the den/library and minor interior wall/layout reconfigurations
Valuation:
$510,000
Permit #:
R-22-0128
Status:
issued
Fee:
$3,060
Permit Type:
Alteration
Building Type:
N/A
Proposed work is to replace existing decking on covered porch eliminate existing skylight strip and install new roof on porch addition one or two ceiling fans/lights to porch insulate porch ceiling and install new pine paneling on ceiling
Valuation:
$33,000
Permit #:
R-24-0062
Status:
need owners email response
Fee:
$198
Permit Type:
Alteration deck
Building Type:
N/A
Proposed work includes renovation of kitchen primary bathroom 3 guest bathrooms to include the replacement of 1 window and installation of 1 new window location in primary bathroom
Valuation:
$389,000
Permit #:
R-22-0083
Status:
complete
Fee:
$1,965
Permit Type:
Alteration
Building Type:
N/A
Proposed work is to demolish and remove the existing annex structure located adjacent to the main house
Valuation:
$120,000
Permit #:
R-25-0067
Status:
issued
Fee:
$75
Permit Type:
Demolition
Building Type:
N/A
Proposed work includes the demolition of existing rickety deck with undersized framing and rebuilding new properly constructed deck with the exact same footprint and layout
Valuation:
$25,000
Permit #:
R-24-0316
Status:
complete
Fee:
$180
Permit Type:
Repair deck
Building Type:
N/A
Proposed work includes renovation work to the master bathroom and kitchen/dining room areas
Valuation:
$174,000
Permit #:
R-23-0036
Status:
issued
Fee:
$909
Permit Type:
Alteration
Building Type:
N/A
Proposed work includes a 780 sf single story addition with garage below. garage may become typical full basement if grading proves too challenging once work is underway. addition on on-site propane and standby generator may be included dependent on budget as the project progresses
Valuation:
$160,000
Permit #:
R-20-0068
Status:
pco issued
Fee:
$820
Permit Type:
Addition
Building Type:
N/A
Work is to include finishing of a large portion of the existing basement such as framing and insulating exterior walls construction several partition walls to isolate mechanical spaces various millworks cutting foundation to create a new window well wall and ceiling finishes as well as new finish flooring. hvac and plumbing additions will also be included to serve the newly finished s... see more
Valuation:
$295,000
Permit #:
R-19-0097
Status:
issued
Fee:
$1,495
Permit Type:
Alteration
Building Type:
N/A
Proposed work includes erecting temporary staging to then access and repair various chimney and roof components to include masonry metal work and any related items. this is work is to be primarily focused on two chimney's in particular but any other areas of deficiency which are found will likely be repaired re-built or replaced as well
Valuation:
$125,000
Permit #:
R-20-0013
Status:
issued
Fee:
$655
Permit Type:
Repair alteration
Building Type:
N/A
Proposed work includes erecting temporary staging to then access and repair various chimney and roof components to include masonry metal work and any related items. this is work is to be primarily focused on two chimney's in particular but any other areas of deficiency which are found will likely be repaired re-built or replaced as well
Valuation:
$125,000
Permit #:
R-20-0013
Status:
issued
Fee:
$655
Permit Type:
Repair alteration
Building Type:
N/A
Proposed work includes demo/rebuild of existing attached shed and second floor addition above. other work involved is likely to include new roofing siding exterior trim windows and possible hvac alterations
Valuation:
$50,000
Permit #:
R-21-0020
Status:
issued
Fee:
$260
Permit Type:
Alteration additi...
Building Type:
N/A
Proposed work includes demo/rebuild of existing attached shed and second floor addition above. other work involved is likely to include new roofing siding exterior trim windows and possible hvac alterations
Valuation:
$50,000
Permit #:
R-21-0020
Status:
issued
Fee:
$260
Permit Type:
Alteration additi...
Building Type:
N/A
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William Cromwell License info
Verified License
| License # | CS-108481 |
| 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 William Cromwell at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 182306 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for William Cromwell at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
27
Permits
- Building permit records show that William Cromwell has worked on 27 permitted projects.
William Cromwell Employees
WC
William Cromwell
Owner
WC
William S Cromwell
Responsible Person