Updated: Apr 28, 2026
Location and Projects
Address
19031 LAGO PLACE NE, Lake Forest Park, WA, 98155
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Black Dog Custom Builders Construction
Based in Lake Forest Park, Washington, Black Dog Custom Builders LLC has been serving the area for over two decades. The company specializes in custom home building and remodeling projects, working with clients throughout the greater Seattle region. Examples from their portfolio include extensive whole-home renovations, kitchen and bathroom remodels, and custom additions tailored to fit existing architecture. Black Dog Custom Builders LLC collaborates with homeowners to deliver solutions that balance design, functionality, and budget considerations. Their experience stretches across a variety of property types, from older homes requiring sensitive upgrades to newer residences seeking personalized features. With 24 years in the business, the company draws on deep expertise in residential construction techniques and materials suited to the Pacific Northwest climate.
Black Dog Custom Builders LLC Services
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Black Dog Custom Builders LLC Contact Information
Phone Number: (206) 366-1076
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Address: 19031 LAGO PLACE NE, Lake Forest Park, WA 98155
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Building Permits by Black Dog Custom Builders LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Type: mechanical single family class: addition to structure, , oppler (re:bsf20-02650)- gas - stove or cook top; single family dwelling; duct work only
Valuation:
N/A
Permit #:
MSF20-06829
Status:
final
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Type: building single family - bsf class: addition to structure, , oppler addition: 1st floor addition under existing 2nd floor structure & renovation of kitchen space
Valuation:
N/A
Permit #:
BSF20-02650
Status:
final
Fee:
$2,016
Permit Type:
N/A
Building Type:
N/A
Type: plumbing single family class: addition to structure, , oppler (re:bsf20-02650)- dishwasher; piping - dwv; kitchen sink; plumbing fixtures per plans; ice maker
Valuation:
N/A
Permit #:
PSF20-06828
Status:
final
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Type: building single family - bsf class: addition to structure, , anderson addition: adding 527.5 sq ft bedroom bathroom and study addition to main floor include small deck (53 sq ft) to back yard
Valuation:
N/A
Permit #:
BSF19-08689
Status:
final
Fee:
$2,076
Permit Type:
N/A
Building Type:
N/A
Type: building single family - bsf class: addition to structure, , dimitriou: addition 561 sf new living/dining room space to main floor. also adding 245 sf new outdoor covered patio off of new addition and modifying existing front porch adding approx 42 sf
Valuation:
N/A
Permit #:
BSF18-01328
Status:
final
Fee:
$2,570
Permit Type:
N/A
Building Type:
N/A
Type: building single family class: addition to structure, , falge: addition to the residence containing a master suite. msf21-07665 psf21-07668
Valuation:
N/A
Permit #:
BSF21-04656
Status:
final
Fee:
$4,189
Permit Type:
N/A
Building Type:
N/A
Type: plumbing single family - psf class: addition to structure, , a (single family residential addition) project installing (plumbing fixtures per plans; hose bib; single family dwelling). additional info (). work site location ()
Valuation:
N/A
Permit #:
PSF18-08988
Status:
final
Fee:
$46
Permit Type:
N/A
Building Type:
N/A
Type: building single family - bsf class: addition to structure adding 561 s.f. new living/dining room space to main floor. also adding 245 s.f. new outdoor covered patio off of new addition and modifying existing front porch adding approx 42 s.f. a (single family residential structure addition) project installing (square feet - covered deck or porch; square feet - floor 1; square fee... see more
Valuation:
N/A
Permit #:
BSF18-01328
Status:
Applied
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Type: mechanical single family - msf class: addition to structure, , dimitriou (re: bsf18-01328)- gas - fireplace; exhaust fan with duct - bath; single family dwelling; duct work only
Valuation:
N/A
Permit #:
MSF18-08908
Status:
final
Fee:
$134
Permit Type:
N/A
Building Type:
N/A
Type: mechanical single family class: addition to structure, , falge: mechanical for bsf21-04656
Valuation:
N/A
Permit #:
MSF21-07665
Status:
final
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Type: plumbing single family class: addition to structure, , falge: plumbing for bsf21-04656
Valuation:
N/A
Permit #:
PSF21-07668
Status:
final
Fee:
$143
Permit Type:
N/A
Building Type:
N/A
New powder room on 1st floor; remodel master bathroom
Valuation:
N/A
Permit #:
2112-185
Status:
final
Fee:
$2,804
Permit Type:
N/A
Building Type:
N/A
Dr lee office remodel, tenant improvement. relocate non-bearing interior partition walls. addition stairs to loft. addition bathroom in loft. new lighting cabinetry counter tops floor coverings. includes plumbing and mechanical. 5/3/04: added two sinks and 1 dishwasher
Valuation:
N/A
Permit #:
BLD04-00219
Status:
final
Fee:
$1,915
Permit Type:
N/A
Building Type:
N/A
Building single family - bsf, addition to structure dimitriou addition - 85sf dining bumpout, 140sf gar/wkshop storage.
Valuation:
N/A
Permit #:
BSF14-03387
Status:
Finaled
Fee:
$762
Permit Type:
N/A
Building Type:
N/A
Mechanical single family - msf, addition to structure ivr (1-866-458-7354) permit pin #: 103699 anderson addition - addition to single family home
Valuation:
N/A
Permit #:
MSF12-03913
Status:
Issued
Fee:
$243
Permit Type:
N/A
Building Type:
N/A
Plumbing single family - psf, addition to structure ivr (1-866-458-7354) permit pin #: 103700 anderson addition - addition to single family home
Valuation:
N/A
Permit #:
PSF12-03914
Status:
Issued
Fee:
$301
Permit Type:
N/A
Building Type:
N/A
Building single family - bsf, addition to structure ivr (1-866-458-7354) permit pin #: 103133 anderson addition - addition to single family home
Valuation:
N/A
Permit #:
BSF12-03347
Status:
Issued
Fee:
$3,686
Permit Type:
N/A
Building Type:
N/A
Reroof wood shake roof to asphalt shingle roof rafters/trusses 24 on center plywood 1/2. does not include plumbing mechanical or electrical
Valuation:
N/A
Permit #:
12 111171 BT
Status:
final
Fee:
$203
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen: remove a portion of partition wall & ceiling; install new beam & headers. includes electrical (new outlets & fixtures). does not include mechanical. ** addition plumbing**
Valuation:
N/A
Permit #:
04 118668 BU
Status:
final
Fee:
$391
Permit Type:
N/A
Building Type:
N/A
Type: building single family - bsf class: addition to structure, , adding one bedroom great room and enlarging nook, , project: margo jarvies/lv sec
Valuation:
N/A
Permit #:
BLD03-01146
Status:
final
Fee:
$1,690
Permit Type:
N/A
Building Type:
N/A
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173
BZ Score
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Avg Project
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Projects
164
BZ Score
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Avg Project
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Projects
164
BZ Score
$32.4K
Avg Project
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Projects
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Black Dog Custom Builders LLC License info
License Not Verified
| License # | BLACKDC992K9 |
| 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 May, 2026. Check the current license status of Black Dog Custom Builders LLC with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | BLACKDC992K9 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Black Dog Custom Builders LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | BLACKDC992K9 |
| Status | Active |
| City | Sammamish |
| Type | Contractor |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Black Dog Custom Builders LLC with the The City of Sammamish, WA
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Insured
| Insurer | Developers Surety & Indem Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Hartford Fire Ins Co |
| Bond Value | $12,000 |
16
Permits
- Building permit records show that Black Dog Custom Builders LLC has worked on 16 permitted projects.
Black Dog Custom Builders LLC Employees
DO
Douglas Ostlund
Partner/Member
OM
Ostlund, Douglas M
Owner