COMPANY RECORD · SEATTLE, WA

Mckinstry Co LLC — building and trade permits in Seattle, WA

Mckinstry Co LLC appears on 2,758 building and trade permits issued by the Seattle Department of Construction and Inspections from 2015 through 2026, most often mechanical / hvac (42% of the record).

Permit categories

CategoryPermitsShare
Mechanical / HVAC115742%
Electrical108939.5%
Fire protection51218.6%

3 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.

Activity by year

YearPermits issued
2015297
2016211
2017244
2018203
2019371
2020221
2021225
2022209
2023164
2024202
2025248
2026163

Busiest year on record: 2019, with 371 permits. One project can account for several filings, so read this as filing activity rather than workload.

Where they worked

Address in sourceMost recent permit
5005 3RD AVE S2026-10-29
437 N 34TH ST2026-10-26
201 16TH AVE E2026-10-19
16101 GREENWOOD AVE N2026-10-16
1915 TERRY AVE2026-10-14
1600 9TH AVE2026-10-13
1959R NE PACIFIC ST2026-10-09
440 TERRY AVE N2026-10-08
2001 8TH AVE2026-10-07
201 MERCER ST2026-10-07
5000 40TH AVE NE2026-10-01
410 TERRY AVE N2026-10-01
747 BROADWAY2026-09-22
188 E BLAINE ST2026-09-21

711 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $0 to $30,000,000, median $11,000. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.

Also named on permits at the same addresses

CompanyShared addressesYears
Ec Electric1402015–2026
Prime Electric1332015–2026
Titan Electric Inc1322015–2026
Cochran Inc1212015–2026
Valley Electric Co. Of Mount Vernon Inc872015–2026
Johnson Controls Fire Protection742015–2026
Sequoyah Electric LLC742015–2026
Convergint Technologies702015–2026

Companies that also appear in Seattle permit records at addresses where Mckinstry Co LLC filed, in any year. Sharing an address is a documented co-appearance, not proof that they worked on the same project or with each other.

Building and trade permits on record

2,758 permits; open the 50 most recent
PermitIssuedCategoryAddress in sourceScope as filedDeclared value
7169758-EL2026-10-29Electrical5005 3RD AVE SInstall LV wiring for (2) ADA & (2) ACS Gates
7155212-ME2026-10-26Mechanical / HVAC437 N 34TH STAddition of split system cooling to equipment room.$9,600
7166544-ME2026-10-19Mechanical / HVAC201 16TH AVE EReplace existing Condenser Water Pumps (CWP-1 and CWP-2) and Condensate Receiver Pump (CRP-1) at Kaiser Permanente Capitol Hill South Building. Replacements pump are like for like $46,500
7167793-EL2026-10-16Electrical16101 GREENWOOD AVE NExisting circuit will extend to feed replacement evaporator. Disconnect/reconnect like in kind coolers.
7148746-ME2026-10-14Mechanical / HVAC1915 TERRY AVEDemolition of existing series fan-powered VAVs with electric resistance reheat in portions of the spaces on the Level 1 and Basement floors. Installation of new fan-powered VAVs wi$500,000
7167192-FS2026-10-13Fire protection1600 9TH AVETenant improvement involving 17 sprinkler heads.$7,638
7166742-EL2026-10-09Electrical1959R NE PACIFIC STLike for like replacement of Xray disconnect
7137377-ME2026-10-08Mechanical / HVAC440 TERRY AVE NAlterations to mechanical system in existing commercial building, per plans.$800,000
7158686-FS2026-10-07Fire protection2001 8TH AVETenant improvement involving 281 sprinkler heads.$95,040
7166262-EL2026-10-07Electrical201 MERCER STRelocating receptacles in Kitchen (10)
7164973-RF2026-10-01Mechanical / HVAC5000 40TH AVE NERefrigeration line set replacement$1,000
7137363-ME2026-10-01Mechanical / HVAC410 TERRY AVE NAddition of air-to-water heat pumps to supplement existing gas-fired boiler.$450,000
7163718-FS2026-09-22Fire protection747 BROADWAYTenant improvement involving 8 sprinkler heads$2,517
7147438-ME2026-09-21Mechanical / HVAC188 E BLAINE STTransforming the current conference room into a wellness space. Installation of a standalone sauna and an ice vault cold room. HVAC and plumbing mods to support this equipment.$250,000
7162838-EL2026-09-16Electrical4700 COLORADO AVE SInstall (1) 120V to new ACS power supply
7162831-EL2026-09-16Electrical4700 COLORADO AVE SInstall (3) new ACS door packages
7140388-ME2026-09-16Mechanical / HVAC4333 BROOKLYN AVE NEThis project will provide a heat-recovery chiller to capture waste heat from the data center.$110,400
7162467-EL2026-09-14Electrical2121 7TH AVERelocate 2 existing 3 phase 45 amp 480 volt Hot Water Tank circuits
7152818-ME2026-09-14Mechanical / HVAC635 ELLIOTT AVE WReplacement of (2) VAVs and duct heaters with VAVs with strip heat.$14,000
7162541-RF2026-09-14Mechanical / HVAC325 9TH AVEReplacement of (5) Split CRAC Units.$100,000
7162277-EL2026-09-11Electrical2717 DEXTER AVE NReplacing 2) 50-amp 208-volt circuits
7162244-EL2026-09-11Electrical300 9TH AVEModifying and moving 5 data receptacle for lab renovations.
7161773-EL2026-09-09Electrical4800 DENVER AVE SAddition of 1x 20a circuit for additional card readers.
7161766-EL2026-09-09Electrical300 9TH AVEDemo existing 20a 120v circuit and install new 30a 480v circuit for autoclaves on floors 6 and 7.
7161542-EL2026-09-08Electrical1959 NE PACIFIC STRemove FA devices in ceiling. Reinstall after new drop tiles are installed.
7161547-EL2026-09-08Electrical1550 N 115TH STRemove and reinstall FA devices in ceiling.
7149155-ME2026-09-03Mechanical / HVAC590 TERRY AVE NReplacement of a 6-ton WSHP with a new like in capacity Water Sourced Heat Pump, per plans.$8,000
7159583-EL2026-09-03Electrical4310 12TH AVE NEElectrical scope associated with heat recovery chiller to be installed at UW Tower. [9/3/26 BGO - Approved Plan Set]$75,000
7161050-FS2026-09-02Fire protection188 E BLAINE STTenant improvement involving 10 sprinkler heads.$2,775
7161087-EL2026-09-02Electrical3800 MONTLAKE BLVD NEReplacing a disconnect for an Xray equipment. this is a like for like swap
7160757-EL2026-09-01Electrical5005 3RD AVE SInstall (2) ACS/ADA door locations, (1) exterior ADA gate location devising and associated wiring
7145303-ME2026-08-27Mechanical / HVAC1900 9TH AVEInstall (4) FCU's and supporting ductwork.$130,000
7134276-ME2026-08-27Mechanical / HVAC1441 N 34TH STRemove and replace existing chiller, per plan$428,440
7144071-ME2026-08-24Mechanical / HVAC5005 3RD AVE SReplacement of 9 existing gas RTUs with electric equivalent (like-for-like) units on the roof of the 5005 building. Updates to equipment curbs as needed to meet current code requi$700,000
7159549-FS2026-08-24Fire protection2111 7TH AVETenant improvement involving 12 sprinkler heads$6,015
7156362-FS2026-08-20Fire protection1007 STEWART STTenant improvement involving 74 sprinkler heads.$27,740
7158830-RF2026-08-19Mechanical / HVAC230 8TH AVE NSmall VRF system with (3) ODU heat pumps and (8) IDU$87,300
7158683-EL2026-08-18Electrical2122 7TH AVEInstallation of two ERRCS Coverage Antennas to an existing system.
7156323-EL2026-08-17Electrical1959 NE PACIFIC STElectrically support the replacement of CT equipment in room SA2305$75,000
7156021-EL2026-08-13Electrical10330 MERIDIAN AVE Ninstall (4) dedicated 20 amp circuits for robot power.$50,000
7157776-ME2026-08-13Mechanical / HVAC700 BROADWAYThis permit is to cover the adaptation of an existing exhaust system to serve a relocated restroom. This includes extending an existing exhaust duct branch, adding a volume damper,$27,000
7157598-ME2026-08-13Mechanical / HVAC5000 40TH AVE NEReplacement of 3-ton split system, subject to field inspection, STFI$7,000
7156315-EL2026-08-12Electrical1550 N 115TH STSupport replacement of CT equipment. [8/12/26 BGO - Approved Plan Set]$75,000
7139413-EL2026-08-11Electrical1959 NE PACIFIC STPCCT UPGRADE [8/10/26 BGO - Approved Plan Set; HELD Pending EC Assignment]$125,700
7157340-RF2026-08-10Mechanical / HVAC2003 4TH AVE2 -Three ton hvac replacements$7,000
7156756-ME2026-08-10Mechanical / HVAC1730 MINOR AVERelocate existing WSHP, including associated piping, ductwork, thermostat, and controls, with verification of unit performance before and after relocation. Subject to field inspec$15,391
7157190-FS2026-08-07Fire protection615 WESTLAKE AVE NTenant improvement involving 6 sprinkler heads.$500
7156989-FS2026-08-06Fire protection1201 3RD AVETenant improvement involving 8 sprinkler heads.$3,243
7156703-FS2026-08-05Fire protection701 PIKE STTenant improvement involving 10 sprinkler heads.$1,099
7156715-EL2026-08-05Electrical325 9TH AVE1WH 224 & 226 X-Ray Renovation

Fields appear as the issuing authority published them, including spelling and blanks. Scope text is the applicant's description of intended work, not an inspection finding.

Search these records

The 2,758 permits above are a static record through 2026. Select a year above to open that year’s records, or search Mckinstry Co LLC in Seattle, WA by address, trade or date range.

Source and limits

Public Seattle building and trade permits from the Seattle Department of Construction and Inspections through 2026, counted by distinct permit number. This is a historical filing record: it cannot show current backlog, pricing, crew availability, licensing or insurance, and a quiet period may only mean work was filed elsewhere. Confirm anything commercial with the company and with the issuing authority before acting. How we build these records, and what we withhold →

Is this your company? Show this public permit record on your website with a free badge.