Updated: Jun 21, 2026
Location and Projects
Address
East Falmouth, MA, 02536
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Allan B Williamson Construction
Serving homeowners and property managers in East Falmouth, MA, Allan B Williamson has been active in the local construction and remodeling field for 36 years. The company’s portfolio reflects a focus on residential projects, including home renovations, additions, and repairs. With extensive experience navigating the building requirements of Barnstable County and the unique conditions of Cape Cod properties, Allan B Williamson works with clients seeking to update, maintain, or expand their homes. Services range from structural repairs to cosmetic improvements, tailored to the needs of both year-round residents and seasonal property owners. Each project is managed with an understanding of the region’s architectural styles and environmental factors, ensuring that renovations and repairs are both functional and complementary to the area’s character.
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Allan B Williamson E Falmouth
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Allan B Williamson has a BuildZoom score of 102, which places them above 89% of 139,240 contractors in Massachusetts.
Activity
|
5 projects
|
2025 |
|
6 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Allan B Williamson has worked on at least
17.0 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 Allan B Williamson mostly works on
home addition
projects.
Pricing
|
1 project
|
< $5k |
|
4 projects
|
$5k-$20k |
|
5 projects
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
The typical size of their permits is approximately $48,500. 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.
Completely gut the first floor of 10 old mystic circle. remove weight bearing wall and install an engineered steel eye beam as per plans submitted. remodel both second floor bathrooms and first floor half bathroom
Valuation:
$380,000
Permit #:
R-24-2971
Status:
complete
Fee:
$3,040
Permit Type:
Remodel
Building Type:
N/A
Construct a 13.5 x 15.75 family room addition to the rear of the house also remodel the existing master bedroom/bathroom as per plans submitted
Valuation:
$260,000
Permit #:
R-25-1699
Status:
complete
Fee:
$2,080
Permit Type:
Alteration addition
Building Type:
N/A
Remove a 12'x16 existing deck from rear of house and replace with a 12'x16 glassed in patio as per plans submitted no heat air conditioning or insulation. 2 of the sono tubes that are within 5 of the septic tank are to be installed down to the same level of the bottom of the tank taking away any horizontal pressure on the tank as discussed with scott from the health department and gar... see more
Valuation:
$37,000
Permit #:
R-24-1700
Status:
complete
Fee:
$296
Permit Type:
Addition
Building Type:
N/A
Construct a non weight bearing interior partition to separate the retail area from the storage/work area as per plans submitted. kitchen was put on separate permit c-24-1819
Valuation:
$65,000
Permit #:
C-24-1329
Status:
complete
Fee:
$520
Permit Type:
Alteration
Building Type:
N/A
Construct a non weight bearing interior partition to separate the retail area from the storage/work area as per plans submitted. kitchen was put on separate permit c-24-1819
Valuation:
$65,000
Permit #:
C-24-1329
Status:
complete
Fee:
$520
Permit Type:
Alteration
Building Type:
N/A
Remove all existing windows and replace with andersen 400 series double hung tilt wash windows. replace both entry doors with therma-tru fiberglas doors. side door is a 2'8x6.6 the front door is a 3068
Valuation:
$39,900
Permit #:
REP-24-1792
Status:
complete
Fee:
$319
Permit Type:
Replacementdoor r...
Building Type:
N/A
Gut both the 1st floor and 2nd floor identical stacked bathrooms. both cast iron tubs to stay. replace toilets sinks flooring and interior trim. paint all new work. flooring to be lvt waterproof flooring
Valuation:
$12,000
Permit #:
R-24-2736
Status:
complete
Fee:
$96
Permit Type:
Alteration
Building Type:
N/A
Remove 1500 square feet of exisiting siding on both sides and rear of house. apply weather smart paper over exisiting plywood and install 5 1/2 hardi plank siding at 4 exposure
Valuation:
$53,800
Permit #:
REP-23-1553
Status:
complete
Fee:
$430
Permit Type:
Strippingoldshing...
Building Type:
N/A
Remodel two second floor bathrooms as per plans submitted
Valuation:
$45,000
Permit #:
R-25-0650
Status:
complete
Fee:
$360
Permit Type:
Alteration
Building Type:
N/A
Replace existing first floor weight bearing wall with engineered beam as per plans. install new kitchen move existing kitchen window from west wall to north wall as per plan
Valuation:
$70,000
Permit #:
R-22-0495
Status:
issued
Fee:
$560
Permit Type:
Alteration
Building Type:
N/A
Remove existing deck from the south side of the existing dwelling and addition a 578 addition as per plans submitted
Valuation:
$178,000
Permit #:
R-23-2336
Status:
complete
Fee:
$1,424
Permit Type:
Addition
Building Type:
N/A
Remove two existing skylights from the front of the house and construct two shed dormers as per plans submitted
Valuation:
$30,000
Permit #:
R-25-2221
Status:
complete
Fee:
$240
Permit Type:
Addition
Building Type:
N/A
Replace 20 windows using andersen 200 double hung series. replace all exterior siding using white cedar pre dipped shingles and replace all exterior trim
Valuation:
$77,000
Permit #:
R-22-0281
Status:
complete
Fee:
$616
Permit Type:
Windows
Building Type:
N/A
Strip 10 sq of cedar shingles from south and west walls and replace with new cedar pre dipped shingles
Valuation:
$47,000
Permit #:
REP-24-0952
Status:
complete
Fee:
$376
Permit Type:
Strippingoldshing...
Building Type:
N/A
Finish off a approximately 1200 sq ft of basement area as per plans submitted
Valuation:
$172,000
Permit #:
R-23-2576
Status:
complete
Fee:
$1,376
Permit Type:
N/A
Building Type:
N/A
Create a small baking kitchen area in the back room per plans submitted
Valuation:
$3,000
Permit #:
C-24-1819
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Renovate existing first floor master bathroom as per plans submitted
Valuation:
$50,000
Permit #:
R-23-0925
Status:
complete
Fee:
$400
Permit Type:
Alteration
Building Type:
N/A
Construct a 14x16 screened porch on the rear of the existing dwelling as per plans submitted
Valuation:
$37,000
Permit #:
R-22-0749
Status:
complete
Fee:
$296
Permit Type:
Alteration
Building Type:
N/A
Remove the existing weight bearing partition between the kitchen and dining room to create one open space. remove existing cabinetry and install new kitchen cabinets
Valuation:
$70,000
Permit #:
2021-1902
Status:
filed
Fee:
$560
Permit Type:
B addition altera...
Building Type:
N/A
Replace 11 double hung windows on the first floor sun porch. replacement windows to be marvin ultimate double hung. no header change required
Valuation:
$24,000
Permit #:
REP-21-10286
Status:
complete
Fee:
$192
Permit Type:
N/A
Building Type:
N/A
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Allan B Williamson License info
Verified License
| License # | CS-050182 |
| 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 Allan B Williamson at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
52
Permits
- Building permit records show that Allan B Williamson has worked on 52 permitted projects.