Updated: May 28, 2026
Location and Projects
Address
P O BOX 1, Bothell, WA, 98041
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Northwestern Furnace Co
Northwestern Furnace Co at P O BOX 1, Bothell, WA 98041, held a HVAC/Mechanical Contractor license (#NORTHFC015CW) with the Tukwila contractors license board with an expiration date of 02-11-2008. We last verified the license was expired on 03-09-2020.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 128,670 Washington contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Northwestern Furnace Co Contact Information
Phone Number: (425) 478-0653
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Address: P O BOX 1, Bothell, WA 98041
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Building Permits by Northwestern Furnace Co
This is a sample of this contractor's permits. Click here to access their complete permit history.
Convert existing crawlspace to new heated living area remove columns and addition approx 12 walls. does not include clear and grade. does not include electrical (08 133028 ie) (until subs are named). **add on plumbing** **add on mechanical**
Valuation:
N/A
Permit #:
08 109516 BR
Status:
final
Fee:
$2,916
Permit Type:
N/A
Building Type:
N/A
Interior remodel to include construction of walls to convert crawlspace to living space (bedroom bathroom exercise room media and storage room. remove structural columns to be replaced by framing. does not include clearing and grading. **add on mechanical** **add on electrical (receptacles switches lights).**add on plumbing
Valuation:
N/A
Permit #:
06 106213 BR
Status:
final
Fee:
$2,107
Permit Type:
N/A
Building Type:
N/A
Construct new garage mud room with upper floor with two new bedrooms; remodel existing master bathroom utility and basement den/exercise room. includes clear & grade. . **add mechanical. **add on plumbing.**add on electrical (lights receptacles switches move service)
Valuation:
N/A
Permit #:
06 102612 BR
Status:
final
Fee:
$2,226
Permit Type:
N/A
Building Type:
N/A
Addition to existing master bathroom and replacement of all exterior windows and skylights (alum. for vinyl). includes clear and grade. *add on plumbing* ** addition on mechanical ** **add on electrical.**
Valuation:
N/A
Permit #:
08 122978 BR
Status:
final
Fee:
$669
Permit Type:
N/A
Building Type:
N/A
Replace 2 oil furnaces with gas furnaces replace electric water water with gas water heater includes 5 gas piping outlets (1 for future gas range and 1 for future gas dryer)
Valuation:
$0
Permit #:
118782
Status:
CLOSED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct kitchen remodel including conversion of one bay of existing garage into mud room and a side entry. does not include electrical (12-123589 bf). **add on plumbing**add on mechanical**
Valuation:
N/A
Permit #:
12 121234 BT
Status:
final
Fee:
$944
Permit Type:
N/A
Building Type:
N/A
Addition second floor addition for a multi use room over garage. does not include clearing and grading. does not include plumbing. includes electrical and mechanical
Valuation:
N/A
Permit #:
12 113284 BR
Status:
final
Fee:
$2,291
Permit Type:
N/A
Building Type:
N/A
Addition studio on first floor bonus room on second floor (add on elec/10 outlets 7 lights 1 gfi 1 exhaust fan 2 smoke detectors mechanical plumbing)
Valuation:
N/A
Permit #:
01 100753 BR
Status:
final
Fee:
$1,908
Permit Type:
N/A
Building Type:
N/A
Addition dining room bedroom closet & coverd porch; includes mechanical & electrical. does not include clear & grade. **add plumbing
Valuation:
N/A
Permit #:
05 118007 BR
Status:
final
Fee:
$1,050
Permit Type:
N/A
Building Type:
N/A
Install whole house recovery system
Valuation:
N/A
Permit #:
14 124718 BK
Status:
final
Fee:
$68
Permit Type:
N/A
Building Type:
N/A
Addition to kitchen master bedroom and bathroom. includes clear and grade. does not include plumbing (09-120007 ip) until sub is named.**add on mechanical** **add on electrical** (09-121621 bf) rev: addition porch
Valuation:
N/A
Permit #:
09 108350 BR
Status:
final
Fee:
$3,578
Permit Type:
N/A
Building Type:
N/A
Remodel and addition to existing kitchen. does not include clearing and grading. **add on electrical. **add on plumbing and mechanical**
Valuation:
N/A
Permit #:
11 118752 BR
Status:
final
Fee:
$3,129
Permit Type:
N/A
Building Type:
N/A
Demolish down to main floor/basement slab and construct new single family residence. includes electrical and clearing and grading. **add on plumbing** **add on electrical** **add on mechanical**
Valuation:
N/A
Permit #:
06 109328 BS
Status:
final
Fee:
$6,904
Permit Type:
N/A
Building Type:
N/A
Main floor remodel and second story addition for bedrooms and bathrooms. includes plumbing mechanical and electrical (lights outlets **add on service change). does not include clear & grade
Valuation:
N/A
Permit #:
05 135931 BR
Status:
final
Fee:
$3,585
Permit Type:
N/A
Building Type:
N/A
Remodel of kitchen and wet bar area including removal of (4) non-load bearing pocket walls removal of (1) additional non-load bearing wall. includes plumbing mechanical and electrical
Valuation:
N/A
Permit #:
07 119241 BT
Status:
final
Fee:
$1,290
Permit Type:
N/A
Building Type:
N/A
New furnace ducting covered under the building permit
Valuation:
N/A
Permit #:
6361909-FR
Status:
complete
Fee:
$121
Permit Type:
N/A
Building Type:
Single family/duplex
Furnace and ducting
Valuation:
N/A
Permit #:
6426127-FR
Status:
complete
Fee:
$121
Permit Type:
N/A
Building Type:
Single family/duplex
Interior remodel and nook & powder room addition (132 s.f.) *includes mechanical and electrical (wire appliances outlets and lighting) *does not include clear and grade or plumbing*
Valuation:
N/A
Permit #:
02 126838 BR
Status:
final
Fee:
$1,852
Permit Type:
N/A
Building Type:
N/A
Gas furnace replacement. 50, 000 btu's located in the garage. adding fresh air duct through roof attic to garage
Valuation:
N/A
Permit #:
BLD20090110
Status:
final
Fee:
$85
Permit Type:
N/A
Building Type:
40 - mechanical/s...
Modification to 2 existing bathroom fans
Valuation:
N/A
Permit #:
12 117203 BK
Status:
final
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
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Northwestern Furnace Co Reviews
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Northwestern Furnace Co License info
Inactive License
| License # | NORTHFC015CW |
| Status | Inactive |
| City | Tukwila |
| Type | Contractor |
| Business Type | Individual |
- According to the The City of Tukwila, 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 Northwestern Furnace Co at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NORTHFC015CW |
| Status | Inactive |
| City | Sammamish |
| Type | Contractor |
| Business Type | Individual |
- 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 Northwestern Furnace Co at the The City of Sammamish, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NORTHFC015CW |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Individual |
- According to the Washington State Department of Labor & Industries, 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 Northwestern Furnace Co at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are Northwestern Furnace Co, click “This is My Business” to update your information.
66
Permits
- Building permit records show that Northwestern Furnace Co has worked on 66 permitted projects.
Northwestern Furnace Co Employees
GJ
George Johnson
Owner
GJ
George Johnson
Owner