Updated: Jul 08, 2026
Location and Projects
Address
74 train street, Dorchester, MA, 02122
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Thomas Mulcahy Construction
Serving residential clients in and around Dorchester, MA, Thomas Mulcahy brings nearly two decades of experience to home improvement and renovation projects. Active in the Boston area for 19 years, Mulcahy specializes in carpentry, remodeling, and a wide range of building repair tasks for single-family homes and multi-unit properties. Project examples span structural upgrades, interior finish work, and exterior repairs typical of New England housing stock. Homeowners in Dorchester and surrounding neighborhoods turn to Mulcahy for expertise honed through years of local contracting work and a thorough understanding of the region’s building codes and architectural styles. Every project reflects his direct management and familiarity with the unique characteristics of Boston-area residences.
Thomas Mulcahy Services
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Thomas Mulcahy Contact Information
Phone Number: (617) 285-3839
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Address: 74 train street, Dorchester, MA 02122
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Thomas Mulcahy Dorchester
Quality
95
78th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Thomas Mulcahy has a BuildZoom score of 95, which places them above 78% of 139,240 contractors in Massachusetts.
Activity
|
1 project
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Thomas Mulcahy has worked on at least
4.0 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
|
3 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Thomas Mulcahy mostly works on
home addition
projects.
Pricing
|
2 projects
|
$20k-$50k |
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.
This is the renovation of an existing third floor attic. the renovated space will consist of a master bedroom along with bathroom and guest bedroom. the existing gable roof will be enlarged with the addition of shed and gable dormers.;eplan --> boa
Valuation:
$250,000
Permit #:
ALT1146991
Status:
filed
Fee:
$950
Permit Type:
N/A
Building Type:
1-2fam
This is the renovation of one unit of a two family house. the top floor will have new dormers front and back. a new bathroom. work will not be over 50% of floor area. the bathroom room on the second floor within the same unit to be renovated as well. zba approval will be required for this project. two familydoc#24 1979
Valuation:
$200,000
Permit #:
ALT1058792
Status:
complete
Fee:
$2,050
Permit Type:
N/A
Building Type:
1-2fam
Addition none structural wall and door to cover mechanical in basement , remodel basement bathroom , addition new lighting and finish carpentry to hangout area , paint said area vinyl flooring
Valuation:
$30,000
Permit #:
ALT1431191
Status:
filed
Fee:
$350
Permit Type:
N/A
Building Type:
1-2fam
Revamp master bathroom , remove tile shower walls and floor addition new backer board and water proofing keep toilet and drainage in same location , paint existing wall and ceilings
Valuation:
$15,000
Permit #:
SF1384105
Status:
filed
Fee:
$170
Permit Type:
N/A
Building Type:
1-2fam
Addition new none structural partition wall in existing room to create two new space , board and plaster said wall addition two new doors addition new trim and paint , re-finish floors
Valuation:
$53,000
Permit #:
SF1163596
Status:
filed
Fee:
$550
Permit Type:
N/A
Building Type:
Other
Remove leaking tile and tile board , addition new waterproofing , retile plumbing fixture to stay as is no new plumbing , waterproof and retile as is
Valuation:
$10,000
Permit #:
SF1380692
Status:
filed
Fee:
$120
Permit Type:
N/A
Building Type:
1-2fam
Addition new shed dormer to rear of single family house , set fort in plans attached , remodel second floor bedroom and bathroom area up to finish level.eplan
Valuation:
$80,000
Permit #:
ALT1184379
Status:
complete
Fee:
$850
Permit Type:
N/A
Building Type:
1-2fam
Remove existing kitchen cabinets and replace with new in same location and foot print
Valuation:
$5,000
Permit #:
SF1553347
Status:
complete
Fee:
$70
Permit Type:
N/A
Building Type:
Multi
Cut and point front of building repair headers and stills for windows , repair window and trim
Valuation:
$7,000
Permit #:
SF1230320
Status:
complete
Fee:
$90
Permit Type:
N/A
Building Type:
1-2fam
Remodel existing bathroom foot print and location to stay the same no structural foot print change remove existing tile in foyer and replace repair shield roof at back side of building
Valuation:
$50,000
Permit #:
BP-2019-000810
Status:
issued
Fee:
$800
Permit Type:
N/A
Building Type:
Single family dwe...
Remodel master bathroom remove tub adding shower stall new vanity and sinks
Valuation:
$19,500
Permit #:
R-20-0054
Status:
issued
Fee:
$200
Permit Type:
Repair alteration
Building Type:
N/A
Remove existing deck from rubber roof , remove existing rubber roof and framing reframe new roof to plans attached, addition new stairs to right side of garage to provide second means of egress for second floor , addition new spread footing and fooding for garage wall and stair landing as per plans attached reinstall deck to same foot print set fort in plans attached
Valuation:
$26,000
Permit #:
SF697677
Status:
filed
Fee:
$280
Permit Type:
N/A
Building Type:
1-2fam
Remove all fixtures and flitting in first floor bathroom room , this includes plumbing fixtures and tile , re-tile addition new fixtures and fitting re-paint, none structural work everything to remain in existing locations. work to be done 300 chelsea st. pier7unit #16
Valuation:
$15,000
Permit #:
SF529583
Status:
filed
Fee:
$170
Permit Type:
N/A
Building Type:
1-2fam
Repair first floor front deck only, remove rotted 4x6 post addition new 4x6 pt , addition new 10 , 4 deep concrete filled sono tube where needed , replace all rotted deck boards on first floor
Valuation:
$8,000
Permit #:
SF532978
Status:
filed
Fee:
$100
Permit Type:
N/A
Building Type:
1-3fam
Demolish kitchen and bathrooms and install new kitchen and appliances isntall new replacement windows , re-tile bathrooms addition new fixtures and fittings
Valuation:
$30,000
Permit #:
SF1334536
Status:
filed
Fee:
$320
Permit Type:
N/A
Building Type:
1-2fam
Remodel bathroom and kitchen addition new replacement windows to match existing 6 over 6 compliant with 780 cmr and brookline zoning by laws
Valuation:
$49,000
Permit #:
BP-2022-001438
Status:
complete
Fee:
$980
Permit Type:
N/A
Building Type:
N/A
Remove existing shower tile , walls and floor tile leaving all ceiling and walls and subfloor remove existing tub replace with floor standing , retile shower walls and floor and wallpaper existing walls install new fixtures and fittings
Valuation:
$20,000
Permit #:
SF1230344
Status:
filed
Fee:
$220
Permit Type:
N/A
Building Type:
Multi
Remove existing tub and tub surround prep wall for new shower and tiles change out fixtures and fitting paint no structural or major construction - work being done at 15 river st
Valuation:
$10,000
Permit #:
SF806199
Status:
filed
Fee:
$120
Permit Type:
N/A
Building Type:
Multi
Remove existing bathroom tub and vanity and toilet strip wall and replace with new bathtub and vanity and toilet in same locations tile said bathroom and paint
Valuation:
$27,000
Permit #:
SF1009583
Status:
filed
Fee:
$290
Permit Type:
N/A
Building Type:
1-3fam
Repair/replace existing roof deck and 12x12 damaged rubber membrane
Valuation:
$21,000
Permit #:
SF1335561
Status:
filed
Fee:
$140
Permit Type:
N/A
Building Type:
1-3fam
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Thomas Mulcahy License info
Verified License
| License # | 183460 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 10-20-2025 |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Thomas Mulcahy 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 # | CS-087296 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Thomas Mulcahy at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 149868 |
| Status | Inactive |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- According to the Mass.gov Consumer Affairs and Business Regulation, 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 Thomas Mulcahy at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
28
Permits
- Building permit records show that Thomas Mulcahy has worked on 28 permitted projects.
Thomas Mulcahy Employees
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Thomas Mulcahy
Owner