Updated: Jun 25, 2026
Location and Projects
Address
2457 238TH PL NE, Sammamish, WA, 98074
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DA Martensen Construction LLC
Based in Sammamish, DA Martensen Construction LLC has been serving the Eastside area for over two decades. The company has experience delivering residential construction and remodeling projects throughout communities such as Sammamish, Issaquah, Redmond, and Bellevue. Project types include custom home builds, additions, whole-house renovations, and kitchen and bathroom remodels. DA Martensen Construction LLC manages all phases of construction, from demolitions to new framing and interior finishes. The firm works with both traditional and contemporary home styles, adapting floor plans to suit client requirements. Clients include homeowners seeking to modernize existing spaces or expand square footage to meet their lifestyle needs. With over 22 years in the local market, DA Martensen Construction LLC brings in-depth familiarity with Eastside permitting and construction standards.
DA Martensen Construction LLC Services
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DA Martensen Construction LLC Contact Information
Phone Number: (256) 813-6430
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Address: 2457 238TH PL NE, Sammamish, WA 98074
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Building Permits by DA Martensen Construction LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
2 healthy tree removal 4 unhealthy hazardous tree removal
Valuation:
N/A
Permit #:
TR2023-00334
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel - gordon , install a door into a tall crawl space. this requires cutting into the foundation and approximately 1/2 of the door will be within the foundation. we have a plan from a structural engineer
Valuation:
N/A
Permit #:
BLD2018-04182
Status:
complete
Fee:
$303
Permit Type:
N/A
Building Type:
N/A
Demolish - kramer cabin demolish existing small rustic cabin on property. also demolish 5 other small outbuildings. windows will be removed by hand and recycled. most of the cabin walls and roof will be removed by hand as well. this will be done to repurpose the materials. the outbuildings are sheds and small structures. there will be minimal machine work required
Valuation:
N/A
Permit #:
BLD2018-02535
Status:
issued
Fee:
$691
Permit Type:
N/A
Building Type:
N/A
Interior addition - stetner
Valuation:
N/A
Permit #:
BLD2022-05587
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Prit and deep patio cover , construction of a 408 sqft patio cover over and existing concrete patio
Valuation:
N/A
Permit #:
BLD2019-05850
Status:
complete
Fee:
$606
Permit Type:
N/A
Building Type:
N/A
Remodel - carlson
Valuation:
N/A
Permit #:
BLD2023-01233
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Third story addition - loper
Valuation:
N/A
Permit #:
BLD2017-01422
Status:
final
Fee:
$3,038
Permit Type:
N/A
Building Type:
N/A
Addition - unfinished to finished shed
Valuation:
N/A
Permit #:
BLD2023-03005
Status:
revoked
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Barn to detached office - stetner
Valuation:
N/A
Permit #:
BLD2024-02798
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition/remodel - schoonover
Valuation:
N/A
Permit #:
BLD2023-04550
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition/remodel - montoya
Valuation:
N/A
Permit #:
BLD2023-04222
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Connect to sewer stub in row 19314 se 24th way (poco) connect to sewer stub in row. no patch all shoulder work. loper
Valuation:
N/A
Permit #:
ROW2017-05242
Status:
issued
Fee:
$228
Permit Type:
N/A
Building Type:
N/A
Bathroom renovation - addition 1 bathroom
Valuation:
N/A
Permit #:
BLD2015-02086
Status:
complete
Fee:
$1,312
Permit Type:
N/A
Building Type:
N/A
Addition 154sq ft remodel upper floor
Valuation:
N/A
Permit #:
BLD2014-01246
Status:
filed
Fee:
$1,772
Permit Type:
N/A
Building Type:
N/A
Bump out kitchen & nook 24 by cantilevering joists not to addition foundation
Valuation:
$4,343
Permit #:
BLD2014-3245
Status:
issued
Fee:
$387
Permit Type:
N/A
Building Type:
Alteration/remode...
Addition 154sq ft remodel upper floor
Valuation:
$70,000
Permit #:
BLD2014-01246
Status:
final
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
Change to interior wall and pocket door
Valuation:
$7,000
Permit #:
BLD2011-00979
Status:
final
Fee:
$449
Permit Type:
Remodel/alteration
Building Type:
N/A
Addition - richerson inclosing of a covered alcove on front of residence between garage and entry to create a den/office with bay window. all area is under existing roof line and structure. will also replace wood entry deck with concrete stoop and stairs
Valuation:
N/A
Permit #:
BLD2019-04285
Status:
issued
Fee:
$1,438
Permit Type:
N/A
Building Type:
N/A
Deck extension replace 2 existing windows with french doors
Valuation:
$0
Permit #:
BLD2004-00751
Status:
ARCHIVED
Fee:
N/A
Permit Type:
Deck
Building Type:
N/A
Expand bathroom into existing covered entry
Valuation:
$2,125
Permit #:
BLD2004-00515
Status:
ARCHIVED
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
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164
BZ Score
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DA Martensen Construction LLC License info
License Not Verified
| License # | DMARTMC904L4 |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of June, 2026. Check the current license status of DA Martensen Construction LLC with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | DMARTMC904L4 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of June, 2026. Check the current license status of DA Martensen Construction LLC with the Washington State Department of Labor & Industries
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | DMARTMC904L4 |
| Status | Inactive |
| City | Sammamish |
| Type | Contractor |
| Business Type | Limited Liability Company |
- According to the The City of Sammamish, WA, 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 DA Martensen Construction LLC at the The City of Sammamish, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | DAMARMC960B1 |
| Status | Inactive |
| City | Sammamish |
| Type | Contractor |
| Business Type | Limited Liability Company |
- According to the The City of Sammamish, WA, 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 DA Martensen Construction LLC at the The City of Sammamish, WA.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Insured
| Insurer | Scottsdale Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Cincinnati Ins Co |
| Bond Value | $12,000 |
19
Permits
- Building permit records show that DA Martensen Construction LLC has worked on 19 permitted projects.
DA Martensen Construction LLC Employees
DM
Doug Martensen
Owner
DM
Douglas Martensen
Partner/Member
MA
Martensen, Douglas A
Partner/Member
MA
Martensen, Douglas Alan
Governing Persons