Updated: May 18, 2026
Location and Projects
Address
1500 TREMONT ST, Duxbury, MA, 02332
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Shawn M Dahlen Co Construction
Serving Duxbury, Massachusetts and the surrounding South Shore area, Shawn M Dahlen Co Inc specializes in residential construction and renovation projects. With over a decade of experience in the industry, the company offers a range of services tailored to homeowners, including new home building, additions, and remodeling. Shawn M Dahlen Co Inc manages the construction process from planning through completion, providing guidance on materials and working closely with clients to achieve their project goals. The company’s portfolio includes custom homes, kitchen and bathroom renovations, basement finishing, and exterior improvements such as decks and porches. Known locally for delivering projects in the greater Duxbury area, Shawn M Dahlen Co Inc brings a thorough understanding of the building requirements and architectural styles specific to southeastern Massachusetts homes.
Shawn M Dahlen Co Inc Services
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Shawn M Dahlen Co Inc Contact Information
Phone Number: (781) 934-2186
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Address: 1500 TREMONT ST, Duxbury, MA 02332
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Shawn M Dahlen Co Inc Duxbury
Quality
95
78th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Shawn M Dahlen Co Inc has a BuildZoom score of 95, which places them above 78% of 139,240 contractors in Massachusetts.
Activity
|
1 project
|
2025 |
Our building permit records indicate that Shawn M Dahlen Co Inc has worked on at least
1.0 project over the past year.
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
|
$5k-$20k |
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.
Building Permits by Shawn M Dahlen Co Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Renovate existing kitchen and install a 6-0x7x0 slider in place of a 3 french door. renovate existing master bathroom & closet and replace one window in its current opening. remove non load bearing walls within the master bedroom. replace 3 rotted windows on 3rd dormers
Valuation:
$175,000
Permit #:
R-22-0701
Status:
issued
Fee:
$1,750
Permit Type:
Alteration
Building Type:
N/A
Remove existing 12 x 24 sun room to building a larger sun & music room. new footprint of sun & music room to be 18 x 30.33. expand master bathroom on 2nd floor from 6.5 x 15 to 12 x 15 and renovate the entire bathroom
Valuation:
$332,500
Permit #:
R-21-0596
Status:
issued
Fee:
$3,330
Permit Type:
Alteration addition
Building Type:
N/A
Replace windows on east wall of the piano room due to rot. the windows are going in the same ro as the existing windows. the windows are 1 unit made of 10 windows
Valuation:
$15,000
Permit #:
R-25-0690
Status:
issued
Fee:
$150
Permit Type:
62;434
Building Type:
N/A
Construct new 17 x 25 addition off existing carriage house and a new 15 x 23 wood deck terrace
Valuation:
$109,500
Permit #:
R-21-0416
Status:
issued
Fee:
$1,100
Permit Type:
Addition
Building Type:
N/A
Construct new residence in accordance to proposed plans dated 4/4/14 foundation on previous permit
Valuation:
$723,525
Permit #:
1400364
Status:
issued
Fee:
$7,240
Permit Type:
N/A
Building Type:
N/A
Renovate existing kitchen and install a 6-0x7x0 slider in place of a 3 french door. renovate existing master bathroom & closet and replace one window in its current opening. remove non load bearing walls within the master bedroom. replace 3 rotted windows on 3rd dormers
Valuation:
$175,000
Permit #:
R-22-0701
Status:
issued
Fee:
$1,750
Permit Type:
Alteration
Building Type:
N/A
Remove existing 12 x 24 sun room to building a larger sun & music room. new footprint of sun & music room to be 18 x 30.33. expand master bathroom on 2nd floor from 6.5 x 15 to 12 x 15 and renovate the entire bathroom
Valuation:
$332,500
Permit #:
R-21-0596
Status:
issued
Fee:
$3,330
Permit Type:
Alteration addition
Building Type:
N/A
Construct a single family dwelling: lower level: 1173sqf 1st floor: 1306 2nd floor: 765 covered porches: 400sqft open decks: 378
Valuation:
$278,160
Permit #:
R-16-0239
Status:
issued
Fee:
$3,291
Permit Type:
New construction
Building Type:
N/A
Construct a single family dwelling: lower level: 1173sqf 1st floor: 1306 2nd floor: 765 covered porches: 400sqft open decks: 378
Valuation:
$278,160
Permit #:
R-16-0239
Status:
issued
Fee:
$3,291
Permit Type:
New construction
Building Type:
N/A
Finish 32 x 14'6 and 15'4 x 13'6 areas of basement - r19 insulation required - must have direct egress to the exterior from all rooms - single family house
Valuation:
$15,000
Permit #:
A20161229
Status:
ISSUED
Fee:
$200
Permit Type:
Residential addit...
Building Type:
N/A
Construct new 17 x 25 addition off existing carriage house and a new 15 x 23 wood deck terrace
Valuation:
$109,500
Permit #:
R-21-0416
Status:
issued
Fee:
$1,100
Permit Type:
Addition
Building Type:
N/A
Addition 3 dormers to the existing residence to allow approximately 612 sq.ft. of fnished space to be added to second floor. remove door & widen for new c/o to existing bedroom in basement walkout to delete space as bedroom to allow new bedroom on 2nd floor
Valuation:
$100,000
Permit #:
15606
Status:
complete
Fee:
$1,000
Permit Type:
N/A
Building Type:
N/A
Finish 32 x 14'6 and 15'4 x 13'6 areas of basement - r19 insulation required - must have direct egress to the exterior from all rooms -single family house
Valuation:
$15,000
Permit #:
A20161229
Status:
issued
Fee:
$200
Permit Type:
Residential addit...
Building Type:
N/A
Construct a single family dwelling: lower level: 1173sqf 1st floor: 1306 2nd floor: 765 covered porches: 400sqft open decks: 378
Valuation:
N/A
Permit #:
R-16-0239
Status:
N/A
Fee:
$3,251
Permit Type:
V-b
Building Type:
R-3
Install 18 new window units in existing r/o's of existing windows reside aprox 20 square r & r cedar clapboard siding
Valuation:
$50,000
Permit #:
15983
Status:
issued
Fee:
$500
Permit Type:
N/A
Building Type:
N/A
Finish 19 x 13 in the existing basement to allow for wine storage in clean/dry environment
Valuation:
$15,000
Permit #:
R-15-0171
Status:
issued
Fee:
$150
Permit Type:
Alteration
Building Type:
N/A
Construct a single family dwelling: lower level: 1173sqf 1st floor: 1306 2nd floor: 765 covered porches: 400sqft open decks: 378
Valuation:
N/A
Permit #:
R-16-28
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Excavate and install footing with foundation for single family dwelling pool house/boat storage and engineered retaining wall
Valuation:
$40,000
Permit #:
1400251
Status:
issued
Fee:
$400
Permit Type:
N/A
Building Type:
N/A
Construct new residence in accordance to proposed plans dated 4/4/14 foundation on previous permit
Valuation:
$723,525
Permit #:
1400364
Status:
issued
Fee:
$7,240
Permit Type:
N/A
Building Type:
N/A
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Shawn M Dahlen Co Inc Reviews
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Verified License
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Shawn M Dahlen Co Inc License info
Verified License
| License # | 113672 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 07-10-2025 |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Shawn M Dahlen Co Inc at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 211413 |
| Status | Active |
| City | Newton |
| Type | Residential Builder |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Shawn M Dahlen Co Inc with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 211413 |
| Status | Active |
| City | Newton |
| Type | Building Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Shawn M Dahlen Co Inc with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CS-005448 |
| Status | Inactive |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- According to the Massachusetts Department of Public Safety, 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 Shawn M Dahlen Co Inc at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
7
Permits
- Building permit records show that Shawn M Dahlen Co Inc has worked on 7 permitted projects.
Shawn M Dahlen Co Inc Employees
GC
Gerret Conover
Owner
KD
Kevin Dahlen
Owner
KD
Kevin P Dahlen
President
SD
Shawn Dahlen
Owner
SD
Shawn M Dahlen
Owner