Updated: Mar 27, 2026
Location and Projects
Address
PO BOX 789, Duvall, WA, 98019
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Northwest Mountain Bldrs Construction
Their BuildZoom score of 92 ranks in the top 32% of 128,670 Washington licensed contractors.
If you are thinking of hiring Northwest Mountain Bldrs Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Northwest Mountain Bldrs Inc Services
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Northwest Mountain Bldrs Inc Contact Information
Phone Number: (257) 883-4130
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Address: PO BOX 789, Duvall, WA 98019
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Building Permits by Northwest Mountain Bldrs Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Type: plumbing single family class: replacement, , arthur. (bsf21-00957) residential repair/replacement project installing (1) toilet; (2) bathroom sink; (2) shower tub or combo. *please read the plumbing conditions on page 2 of permit.* email sent to contractor
Valuation:
N/A
Permit #:
PSF21-08321
Status:
final
Fee:
$119
Permit Type:
N/A
Building Type:
N/A
Type: building single family class: addition to structure, , arthur addition: re-build existing attached garage at lower floor level. construct upper level addition approximately 1, 106 square feet
Valuation:
N/A
Permit #:
BSF21-00957
Status:
final
Fee:
$3,885
Permit Type:
N/A
Building Type:
N/A
Type: mechanical single family class: replacement, , arthur: a project installing exhaust fan with duct - bathroom
Valuation:
N/A
Permit #:
MSF22-02121
Status:
final
Fee:
$101
Permit Type:
N/A
Building Type:
N/A
A single family residential addition to existing structure none project involving (1 dryer exhaust duct 1 water heater - tankless 1 barbecue 1 gas piping only (no fixtures) 3 bathroom fan 1 laundry fan 1 whole house fan 1 appliance vent only 1 duct work only 1 furnace
Valuation:
N/A
Permit #:
19 119221 BK
Status:
final
Fee:
$454
Permit Type:
N/A
Building Type:
N/A
A single family residential addition to existing structure none project involving (3 toilet 4 bathroom sink 1 dishwasher 1 clothes washer 3 shower tub or combo 1 kitchen sink 1 laundry sink 1 water heater - tankless 2 hosebib 1 ice maker)
Valuation:
N/A
Permit #:
19 119222 BN
Status:
final
Fee:
$268
Permit Type:
N/A
Building Type:
N/A
Construct single-story addition at southeast corner of existing house. also fill-in existing covered porch. includes clear & grade. does not include plumbing mechanical or electrical
Valuation:
N/A
Permit #:
19 105249 BR
Status:
final
Fee:
$3,456
Permit Type:
N/A
Building Type:
N/A
Grading and clearing associated with construction of a new single-family residence
Valuation:
N/A
Permit #:
22112568LDA
Status:
final
Fee:
$4,223
Permit Type:
N/A
Building Type:
N/A
New 4 bedroom single-family residence with attached garage. water covenant afn: 2022081000175
Valuation:
N/A
Permit #:
22112703RBP
Status:
final
Fee:
$9,889
Permit Type:
N/A
Building Type:
N/A
Addition barber 317 sf addition to existing single family residence
Valuation:
N/A
Permit #:
BLD2016-00541
Status:
complete
Fee:
$2,047
Permit Type:
N/A
Building Type:
N/A
2 story sfres (5 bdrm) w/bonus room & attached 3 car garage & covered porch (mech included); sprinklers required due to access - off-site access roads & driveway are not 20 ft in width & no turn-around
Valuation:
$523,782
Permit #:
B03L1133
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct new 4 bedroom single family residence w/detached garage (mech incl): sprinklers required - see b03f0629
Valuation:
N/A
Permit #:
B04X0968
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2 story (4 bdrm) single family residence w/3 car garage & covered porch (mech incl): sprinklrs reqd-see b04f0072
Valuation:
$370,941
Permit #:
B03L2155
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fire damage repair to existing single family residence to original configuration & stfi
Valuation:
$0
Permit #:
675569
Status:
Finaled Permit
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2 story 5 bedroom dwelling with garage and covered porches/patio - mechanical included
Valuation:
$520,517
Permit #:
B06L1375
Status:
complete
Fee:
$14,046
Permit Type:
N/A
Building Type:
N/A
Two story single family residence with attached garage (mech incl)
Valuation:
$233,741
Permit #:
B01L0164
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct new 4 bedroom single family residence w/detached garage (mech incl)
Valuation:
$414,663
Permit #:
B03L0879
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New residence and attach garage propane heat sprinklers reqd
Valuation:
N/A
Permit #:
B97R2118
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New residence and garage sprinklers reqd
Valuation:
N/A
Permit #:
B97R2064
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition of accessory dwelling unit
Valuation:
$42,877
Permit #:
B96A3770
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Covnert garage to office -inter remod
Valuation:
N/A
Permit #:
B99A1071
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Northwest Mountain Bldrs Inc License info
License Not Verified
| License # | NORTHMB085QO |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of November, 2025. Check the current license status of Northwest Mountain Bldrs Inc with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NORTHMB085QO |
| Status | Inactive |
| City | Sammamish |
| Type | Contractor |
| Business Type | Corporation |
- 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 Northwest Mountain Bldrs Inc at the The City of Sammamish, WA.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
17
Permits
- Building permit records show that Northwest Mountain Bldrs Inc has worked on 17 permitted projects.
Northwest Mountain Bldrs Inc Employees
OP
O Leary, Sean P
Vice President
RF
Robinson, Daniel Francis
Handyman