Updated: Mar 22, 2026
Location and Projects
Address
51 Prospect St, Swampscott, MA, 01907
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William Kelly Construction
William Kelly, 51 Prospect St, Swampscott, MA (Employee: William C Kelly) holds a Home Improvement Contractor license according to the Massachusetts license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring William Kelly, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
William Kelly Services
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William Kelly Contact Information
Phone Number: (781) 771-1369
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Address: 51 Prospect St, Swampscott, MA 01907
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William Kelly Swampscott
Quality
90
47th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
William Kelly has a BuildZoom score of 90, which places them above 47% of 139,240 contractors in Massachusetts.
Activity
|
2 projects
|
2023 |
Our building permit records indicate that William Kelly has worked on at least
2.0 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.
Pricing
|
1 project
|
$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.
Remodel bathroom
Valuation:
$34,000
Permit #:
BL-23-330
Status:
complete
Fee:
N/A
Permit Type:
Remodel
Building Type:
N/A
New construction of single family 30 x 42 contemporary capestyle home with attached 2 car garage unfinished abovefour bedrooms 3 full baths 2nd floor laundry gas fireplace 1 deck***additional permit required to finish room over garage****
Valuation:
$260,000
Permit #:
03N0138
Status:
complete
Fee:
$0
Permit Type:
B residential new
Building Type:
N/A
30 x 51 contemporary cape with attached 22 x 24 two-carattached garage with unfinished above. four bedrooms 2full baths 1 half bath.** see concom notes **** health dept: study downstairs must have cased opening-no door. not to be bedroom - septic wou
Valuation:
$180,000
Permit #:
04N0009
Status:
complete
Fee:
N/A
Permit Type:
B residential new
Building Type:
N/A
Constructr a 36'x28 paladian cape with attached 14'x24'one car garage - 2 bedrooms 2 full baths10'x12 pressure treated deck*** sono footing inspection required ***
Valuation:
$1,000,000
Permit #:
99N0056
Status:
complete
Fee:
N/A
Permit Type:
B residential new
Building Type:
N/A
Construct a two story contemporary style home with fivebedrooms 2 1/2 baths attached 26 x 24 garage and 20 x 14deck.** town of falmouth deck detail. sono footing inspection required **
Valuation:
$214,600
Permit #:
98N0132
Status:
complete
Fee:
N/A
Permit Type:
B residential new
Building Type:
N/A
Construct a colonial style home with fourbedrooms three baths attached 24 x 26 garage and 30 x 10deck.** deck to town detail sono footing inspection required ****** 12/23/99 - revised ****
Valuation:
$140,000
Permit #:
98N0176
Status:
complete
Fee:
N/A
Permit Type:
B residential new
Building Type:
N/A
Construct a 44 x 28 paladian cape with 20 x 24 attached onecar garage - 4 bedrooms 3 1/2 baths fireplace and firstfloor laundry.**** sono footing inspection required - town of falmouth deck details ****
Valuation:
$100,000
Permit #:
98N0106
Status:
complete
Fee:
N/A
Permit Type:
B residential new
Building Type:
N/A
New single family residence (paladian cape) with 2 bedrooms 1 and 1/2 baths no decks no garage.** order of conditions **** health dept conditions: house limited to two bedrooms ** see agent before start of
Valuation:
$90,000
Permit #:
03N0141
Status:
complete
Fee:
$0
Permit Type:
B residential new
Building Type:
N/A
Demolition of building (house). wiliam harvey. disposalby c.l. noonan disposal.** health dept conditions: all thermostats and mercury devices to be turned into health dept. return all mercury heating controls ******** demolish only ******
Valuation:
$5,000
Permit #:
04A1736
Status:
complete
Fee:
N/A
Permit Type:
B demolition
Building Type:
N/A
New single family residence w 3 bedrooms 2 and 1/2 baths, 2-car attached garage 12 x 20 and 25 x 4 decks 5 x 21breezeway.** house is 2, 610 sq. ft total **** as per concom **
Valuation:
$140,000
Permit #:
99N0101
Status:
complete
Fee:
N/A
Permit Type:
B residential new
Building Type:
N/A
Paladian cape style home with on 2-car garage 24 x 26three bedrooms two and a half baths and a 14 x 16 deck*** sono footings inspection required. town of falmouth deck detail. ***
Valuation:
$110,000
Permit #:
96N0162
Status:
complete
Fee:
N/A
Permit Type:
B residential new
Building Type:
N/A
New 38x28 custom colonial 24x26 attached garage 3 bedrooms 2.5 baths 2nd floor laundry 12x14 pt deck ****extended 6 months 11/18/03****
Valuation:
$175,000
Permit #:
02N0079
Status:
complete
Fee:
$0
Permit Type:
B residential new
Building Type:
N/A
Construct a 1 1/2 story contemporary cape with 3 bedrooms, 2 1/2 baths attached 24 x 24 garage and 14 x 16 deck.** sono footing inspection required deck to town detail **
Valuation:
$100,000
Permit #:
98N0160
Status:
complete
Fee:
N/A
Permit Type:
B residential new
Building Type:
N/A
New construction of single family cape style house withattached 2 car garage 3 bedrooms 2 1/2 baths farmersporch and deck
Valuation:
$175,000
Permit #:
04N0071
Status:
complete
Fee:
N/A
Permit Type:
B residential new
Building Type:
N/A
Palladian cape. 3br 2ba first floor laundry attached one-car garage unfinished above no decks
Valuation:
$150,000
Permit #:
04N0005
Status:
complete
Fee:
N/A
Permit Type:
B residential new
Building Type:
N/A
Addition of 14 x 20 screened porch to existing home underconstruction (permit #01n-144). increase deck size from12 x 14 to 20 x 20 and 14 x 20 screened porch
Valuation:
$8,100
Permit #:
03A0670
Status:
complete
Fee:
$0
Permit Type:
B renovation
Building Type:
N/A
To frame a family room and full bathroom and closet.on third floor. reference new house permit #95n-157****maximum size 1/2 floor below*****
Valuation:
$5,500
Permit #:
95A1469
Status:
complete
Fee:
N/A
Permit Type:
B renovation
Building Type:
N/A
Demolish nursing home. ** all thermostats and mercury devicesto be turned in to health dept.**** demolish only ****
Valuation:
$10,000
Permit #:
04A1735
Status:
complete
Fee:
N/A
Permit Type:
B demolition
Building Type:
N/A
Erect sign per sdr approval
Valuation:
N/A
Permit #:
SGER-009479-2013
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
4br 2ba garage dek
Valuation:
$100,000
Permit #:
90N0169
Status:
complete
Fee:
N/A
Permit Type:
B residential new
Building Type:
N/A
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William Kelly License info
Verified License
| License # | 193916 |
| 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 Kelly at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
36
Permits
- Building permit records show that William Kelly has worked on 36 permitted projects.
William Kelly Employees
WK
William C Kelly
Owner
WK
William Kelly
Owner