Updated: May 08, 2026
Location and Projects
Address
3108 SW WEBSTER ST, Seattle, WA, 98126
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Mighty House Construction
Based in Seattle and serving the Greater Seattle area, Mighty House Construction focuses on providing sustainable building solutions for residential projects. The company offers both full-home renovations and targeted updates, such as revitalizing individual rooms or decks. With 17 years in the industry, Mighty House is experienced in collaborating directly with homeowners and architects alike, delivering creative solutions tailored to each property’s unique needs. Sustainability is a core aspect of their approach, with consideration given to both environmental impact and the long-term use and financial implications for homeowners. Mighty House Construction emphasizes clear communication throughout every project phase, with a commitment to delivering projects on time and within budget.
Mighty House Construction Services
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Mighty House Construction Contact Information
Phone Number: (206) 715-0893
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Address: 3108 SW WEBSTER ST, Seattle, WA 98126
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Mighty House Construction Seattle
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mighty House Construction has a BuildZoom score of 104, which places them above 91% of 128,670 contractors in Washington.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Mighty House Construction has worked on at least
3.0 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
|
$1mil+ |
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 Mighty House Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
30th side sewer permit storm and footing drains to cb to combined system. new sanitary connection to combined sanitary to main. per plan 6982320-cn for single family residence aadu and dadu. project includes osm facilities: rain garden infiltrating bioretention permeable pavement surface and trees. separate sdot permit required for row work
Valuation:
$1,500,000
Permit #:
7071688-SS
Status:
issued
Fee:
$819
Permit Type:
New
Building Type:
Single family/duplex
Zisette residence|when submitting an application please ensure you have attached all required documents.|certification: by using this p-ortal to apply for permits i certify i am the owner of the property or the owner's authorized agent. if acting as an authorized agent i further certify that i have full power and authority to file this application and to perform on behalf of the owner... see more
Valuation:
N/A
Permit #:
PG20-0073
Status:
final
Fee:
$290
Permit Type:
Residential
Building Type:
N/A
Zisette adu|when submitting an application please ensure you have attached all required documents.|certification: by using this portal to apply for permits i certify i am the owner of the property or the owner's authorized agent. if acting as an authorized agent i further certify that i have full power and authority to file this application and to perform on behalf of the owner all ac... see more
Valuation:
N/A
Permit #:
D19-0249
Status:
final
Fee:
$2,072
Permit Type:
Attached
Building Type:
N/A
A single family residential remodel residence project involving (garage) 3859900250
Valuation:
N/A
Permit #:
22 101450 BT
Status:
expired
Fee:
$760
Permit Type:
N/A
Building Type:
N/A
New sanitary to install a sewage ejection pump system with 10 of 2 pipe to connect to existing sewer for new dadu. associated building permit 6591416
Valuation:
N/A
Permit #:
6640477-SS
Status:
complete
Fee:
$558
Permit Type:
N/A
Building Type:
Single family/duplex
Replace one deck in kind another within same footprint but closer to grade both accessory to existing single family residence per site elevation and deck plan subject to field inspection
Valuation:
$6,000
Permit #:
6313634-CN
Status:
complete
Fee:
$575
Permit Type:
Add/alt
Building Type:
Single family/duplex
Remodel 2 bathrooms & addition 1 bathroom addition of storage closets & utility room within existing interior
Valuation:
N/A
Permit #:
BLD-16-0069
Status:
complete
Fee:
$1,836
Permit Type:
N/A
Building Type:
N/A
Ayr : remodel of bathroom kitchen and addition of ada ramp, ayr : remodel of bathroom kitchen and addition of ada ramp
Valuation:
N/A
Permit #:
ALT13-0072
Status:
issued
Fee:
$847
Permit Type:
N/A
Building Type:
N/A
Construct ground level bedroom addition and second-story bathroom addition to existing single family residence per plan
Valuation:
$39,868
Permit #:
6251695-CN
Status:
complete
Fee:
$1,485
Permit Type:
Add/alt
Building Type:
Single family/duplex
Construct addition and alterations to existing single family residence per plan
Valuation:
$20,000
Permit #:
6280657-CN
Status:
complete
Fee:
$868
Permit Type:
Add/alt
Building Type:
Single family/duplex
Construct addition to an existing single family residence for an elevator per plans
Valuation:
$4,000
Permit #:
6574100-CN
Status:
complete
Fee:
$920
Permit Type:
Add/alt
Building Type:
Single family/duplex
Relocate side sewer drain
Valuation:
N/A
Permit #:
6228085-SS
Status:
complete
Fee:
$375
Permit Type:
Addition/alteration
Building Type:
Single family/duplex
Construct interior non-alterations to existing single family residence subject to field inspection (stfi)
Valuation:
$95,000
Permit #:
6604563-CN
Status:
expired
Fee:
$1,849
Permit Type:
Add/alt
Building Type:
Single family/duplex
6/6/2016 - cancelled customer log #16-809 alterations to basement of single family residence per plans
Valuation:
$120,000
Permit #:
6349502-CN
Status:
canceled
Fee:
$2,172
Permit Type:
Add/alt
Building Type:
Single family/duplex
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BZ Score
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Mighty House Construction Reviews
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Verified License
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Mighty House Construction License info
Verified License
| License # | MIGHTHC918DS |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Mighty House Construction at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MIGHTHC918DS |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mighty House Construction at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
Insured
| Insurer | Contractors Bonding & Insuranc |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Cbic |
| Bond Value | $12,000 |
12
Permits
- Building permit records show that Mighty House Construction has worked on 12 permitted projects.
Mighty House Construction Employees
DE
Douglas Elfline
Co Founder + Construction Manager
ER
Elfline, Douglas Roy
Owner
LE
Laura Elfline
Co Founder + Business/Marketing Manager