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Location and Projects

Address
PO BOX 24567, Seattle, WA, 98124
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McKinstry Northwest Plumber

McKinstry Northwest Inc, Seattle, Po Box 24567, Seattle, WA (Owned by: Mckinstry, Joseph Lee) holds a Plumbing Contractor, Journey Level license and 40 other licenses according to the Tukwila license board.

Their BuildZoom score of 118 ranks in the top 1% of 128,670 Washington licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring McKinstry Northwest Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

McKinstry Northwest Inc Contact Information

Phone: (425) 409-3555 Edit
Address: PO BOX 24567, Seattle, WA 98124 Edit

McKinstry Northwest Inc Seattle

Quality

118
99th percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
McKinstry Northwest Inc has a BuildZoom score of 118, which places them above 99% of 128,670 contractors in Washington.

Activity

110 projects
2025
136 projects
2024
134 projects
2023
Our building permit records indicate that McKinstry Northwest Inc has worked on at least 380.0 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.

Experience

42 projects
Commercial Renovations
32 projects
Home Additions
8 projects
New Constructions
174 projects
Plumbing projects
4 projects
Sewer laterals
Analyzing permits over the last 4 years shows that McKinstry Northwest Inc mostly works on plumbing project and commercial renovation projects.

Pricing

13 projects
< $5k
16 projects
$5k-$20k
18 projects
$20k-$50k
6 projects
$50k-$100k
9 projects
$100k-$250k
10 projects
$250k-$500k
5 projects
$500k-$1mil
4 projects
$1mil+
Value Not Public: 253.0 projects
The typical size of their permits is approximately $46,247. This graph shows the distribution of these job values.
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 McKinstry Northwest Inc

Sort by: Notable Notable | Date Date | Job Value Job Value
Refrigeration permit
2025-02-04
Lumen field tenant improvement replacement of (5) 1-to-1 split system units to multi-head vrf system and replacement of (12) 1-to-1 ducted split system units (like for like)
Valuation:
$345,000
Permit #:
7068419-RF
Status:
complete
Fee:
$1,000
Permit Type:
N/A
Building Type:
Commercial
Mechanical permit
2025-09-18
First tenant improvement of an s and c. a common single-floor layout applies to level 3-17. design includes installation of 4-pipe fan-powered vavs (fpvavs) 2-pipe fan coil units (fcus) and a transfer fan. tenant improvement mechanical services include medium-pressure doas primary air heating water (hw) and chilled water (chw) all connected to existing s and c stub and cap connections... see more
Valuation:
N/A
Permit #:
25 121595 BL
Status:
plancheck
Fee:
$170,664
Permit Type:
N/A
Building Type:
N/A
Mechanical permit
2025-09-18
First tenant improvement of s and c. a common single-floor layout applies to level 3-16. design includes installation of 4-pipe fan-powered vavs (fpvavs) 2-pipe fan coil units (fcus) and a transfer fan. tenant improvement mechanical services include medium-pressure doas primary air heating water (hw) and chilled water (chw) all connected to existing s and c stub and cap connections. n... see more
Valuation:
N/A
Permit #:
25 121594 BL
Status:
plancheck
Fee:
$164,817
Permit Type:
N/A
Building Type:
N/A
Solar energy permit
2024-08-06
New installation of 801 photovoltaic panels - - on commercial/industrial building the project includes a new or altered service of (401-600 amps) and no structural improvements *** see the previously purchased b2412203elec for the electrical fees associated with this installation
Valuation:
$845,330
Permit #:
B2412246SOLR
Status:
issued
Fee:
$13,624
Permit Type:
N/A
Building Type:
Commercial/indust...
Electrical permit: over the counter
2025-04-25
Uwnw e-wing remodel • 3 - 2 x 2 led fixtures with surface mounting kits in the south corridor and entry. • 12 - 1 x 4 led fixtures with surface mounting kits in laundry clean utility soiled utility and staff conference rooms. • wiremold and wiring rework to 1 x 4 fixtures
Valuation:
$21,000
Permit #:
7082662-EL
Status:
issued
Fee:
$92
Permit Type:
Remodel or repair
Building Type:
Commercial
Withdrawal request - permits
2025-11-19
No Description Available
Valuation:
N/A
Permit #:
7085145-EL-002
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical otc
2025-10-22
Lit kent valley llc|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 own... see more
Valuation:
N/A
Permit #:
EL25-0500
Status:
final
Fee:
$332
Permit Type:
Non-residential
Building Type:
N/A
Mec. non-residential
2025-10-31
Type: mechanical non-residential class: alteration to structure or system juanita high school: (bnr25-02418) 2 thermostats 1 air conditioning 67 diffusers or grilles 2 exhaust fans. upgrades to existing mechanical equipment
Valuation:
N/A
Permit #:
MNR25-03179
Status:
final
Fee:
$52,874
Permit Type:
N/A
Building Type:
N/A
Suppression/alarms
2025-09-25
Type: fire system class: fire alarm - alteration juanita high school pool tenant improvement (bnr25-02418); this is a joint venture between johnson controls fire protection (johnscp831pr) and mckinstry co llc (mckincl942dn). a nonresidential alteration project; this is a modification or addition to an existing system; number of devices 16; the work does not involve a new fire alarm p... see more
Valuation:
N/A
Permit #:
FIR25-03736
Status:
final
Fee:
$993
Permit Type:
N/A
Building Type:
N/A
Mechanical - commercial
2025-05-09
Resubmittal for expired permit mech-2021-03134 oked per t.bangochea. (2) air handlers - 2018 imc - replacement of (2) mcquay model: rps air handling units with (2) energylabs custom ahus. osa to match existing performance design criteria. mechanical ahu frame to remain & unit height sized to match existing ahus in order to remain covered by existing screen wall
Valuation:
$232,550
Permit #:
MECH-2024-00782
Status:
expired
Fee:
$7,503
Permit Type:
N/A
Building Type:
N/A
Commercial plumbing
2025-08-15
Plumbing scope associated with tenant improvement project that creates ante/postpartum patient rooms on two existing floors at the st. joseph medical center
Valuation:
$750,000
Permit #:
PLMBC23-0192
Status:
final
Fee:
$1,613
Permit Type:
Remodel
Building Type:
N/A
Commercial mechanical
2025-08-04
Mechanical scope associated with tenant improvement project that creates ante/postpartum patient rooms on two existing floors at the st. joseph medical center
Valuation:
$750,000
Permit #:
MECHC23-0204
Status:
final
Fee:
$1,490
Permit Type:
Remodel
Building Type:
N/A
Commercial plumbing
2023-06-23
This project creates a new 16-bed observation unit (less than 24hrs hospital stay) in an existing outpatient space on level 1 of the sjmc north pavilion. scope includes clinical support spaces. main building permit is bldca23-0236
Valuation:
$400,000
Permit #:
PLMBC23-0193
Status:
triage
Fee:
$1,145
Permit Type:
Remodel
Building Type:
N/A
Commercial mechanical
2023-06-23
This project creates a new 16-bed observation unit (less than 24hrs hospital stay) in an existing outpatient space on level 1 of the sjmc north pavilion. scope includes clinical support spaces. main building permit is bldca23-0236
Valuation:
$275,000
Permit #:
MECHC23-0205
Status:
triage
Fee:
$1,490
Permit Type:
Remodel
Building Type:
N/A
Mec. non-residential
2024-04-08
Type: mechanical non residential class: alteration to structure or system, , skywalker: (bnr22-09438) phase 2 - reuse of existing hvac equipment. revised distribution of ductwork and diffusers. addition of humidification by new roof top units. process piping for compressed air ln2/g2 and chilled water
Valuation:
N/A
Permit #:
MNR22-09398
Status:
final
Fee:
$327,820
Permit Type:
N/A
Building Type:
N/A
Plumbing plan review - commercial
2024-08-30
2-story commercial office tenant improvement buildout in an existing masonry building. high tech office to include ewh upgrade to serve added single use restrooms shower room relocation and added kitchnettes.(1) backflow preventer (2) dishwashers (2) drinking fountains (3) electric water heater (12) floor drains (2) garbage disposals (2) shower/valve replacement (17) bathroom sinks (2... see more
Valuation:
$510,000
Permit #:
PLUM-2023-06836
Status:
final
Fee:
$4,598
Permit Type:
N/A
Building Type:
N/A
Mechanical plan review - commercial
2024-10-14
2018 imc - (1) ductwork system + (8) exhuast fans + (6) package hvac units + (1) unit heater - 2-story commercial office tenant improvement buildout in an existing masonry building. high tech office to include open office space conference rooms and small specialty spaces. packaged rtu's added for specialty spaces existing s&c remote terminal unit utilized for general office
Valuation:
$1,455,000
Permit #:
MECH-2023-06830
Status:
final
Fee:
$42,936
Permit Type:
N/A
Building Type:
N/A
Mechanical plan review - commercial
2024-12-13
Hilltop 19 - building c - commercial office tenant improvement buildout for lvl 2 area in an existing masonry building. high tech office to include open office space conference rooms and small specialty spaces.packaged rtu's vrf heat pump to fcu's and dedicated doas for ventilation. - (1) air handlers/furnace (1) ductwork systems (3) exhaust fan (6) fan coil units (1) heat pumps (2) p... see more
Valuation:
$510,000
Permit #:
MECH-2023-06883
Status:
final
Fee:
$17,930
Permit Type:
N/A
Building Type:
N/A
Mechanical permit
2025-12-02
A nonresidential alteration to existing structure project installing {3-vav boxes - relocating or adding less than 5 4-unit heater} level 3 work shack ventilation and heating. **plan review waived by ricky deng**
Valuation:
N/A
Permit #:
25 104297 BK
Status:
final
Fee:
$2,165
Permit Type:
N/A
Building Type:
N/A
Plumbing plan review - commercial
2024-05-09
2018 upc - (3) dishwashers + (8) drinking fountains + (44) bathroom sinks + (10) kitchen sinks + (52) toilets + (11) urinals - install plumbing fixtures listed above. plumbing systems and rough-in were installed on the shell and core project
Valuation:
$159,000
Permit #:
PLUM-2024-01220
Status:
issued
Fee:
$0
Permit Type:
N/A
Building Type:
N/A

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