COMPANY RECORD · SEATTLE, WA
Cosco Fire Protection — permit history in Seattle, WA
Cosco Fire Protection appears on 290 Seattle permit records from 2018 through 2026, most often fire protection (71.7% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Fire protection | 208 | 71.7% |
| Electrical | 82 | 28.3% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2018 | 12 |
| 2019 | 37 |
| 2020 | 14 |
| 2021 | 23 |
| 2022 | 19 |
| 2023 | 36 |
| 2024 | 64 |
| 2025 | 43 |
| 2026 | 42 |
Busiest year on record: 2024, with 64 permits. One project can account for several filings, so read this as filing activity rather than workload.
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This page is a snapshot of Cosco Fire Protection. The search behind it holds more than 400,977 Seattle permits naming a contractor, since 2015: 251,769 electrical permits, 143,940 mechanical (HVAC) permits, 5,268 fire protection permits.
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Where they worked
| Address in source | Most recent permit |
|---|---|
| 11323 8TH AVE NW | 2026-10-29 |
| 1551 EASTLAKE AVE E | 2026-10-12 |
| 1341 N NORTHLAKE WAY | 2026-09-28 |
| 3800 1ST AVE S | 2026-09-15 |
| 600 PINE ST | 2026-09-15 |
| 1420 5TH AVE | 2026-09-14 |
| 1836 NW MARKET ST | 2026-09-11 |
| 700 VIRGINIA ST | 2026-09-04 |
| 1200 STEWART ST | 2026-08-31 |
| 509 OLIVE WAY | 2026-08-27 |
| 800 5TH AVE | 2026-08-25 |
| 2690 NE VILLAGE LN | 2026-08-19 |
| 400 9TH AVE N | 2026-08-19 |
| 1900 9TH AVE | 2026-08-05 |
198 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $0 to $5,487,000, median $11,051. 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
| Company | Shared addresses | Years |
|---|---|---|
| Prime Electric | 36 | 2015–2026 |
| Titan Electric Inc | 36 | 2015–2026 |
| Ec Electric | 30 | 2015–2026 |
| Mckinstry Co LLC | 25 | 2015–2026 |
| Cochran Inc | 23 | 2018–2026 |
| Adt LLC | 22 | 2015–2026 |
| Datskiy Electric LLC | 18 | 2018–2026 |
| Convergint Technologies | 18 | 2015–2026 |
Companies that also appear in Seattle permit records at addresses where Cosco Fire Protection 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.
Permits on record
290 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 7163158-FS | 2026-10-29 | Fire protection | 11323 8TH AVE NW | This is a revision to existing permit -7102384-FS. Sprinkler routing has changed and water line coming in has changed as well. NFPA D 2019. | $4,200 |
| 7166917-FS | 2026-10-12 | Fire protection | 1551 EASTLAKE AVE E | relocate 24 sprinklers for new ceilings | $22,980 |
| 7164646-FS | 2026-09-28 | Fire protection | 1341 N NORTHLAKE WAY | add 6 upright sprinklers for new walls | $7,500 |
| 7162725-FS | 2026-09-15 | Fire protection | 3800 1ST AVE S | add 3 no calc flex heads and 1 upright for Tenant improvement | $1,500 |
| 7162720-FS | 2026-09-15 | Fire protection | 600 PINE ST | modify 11 sprinklers for tenant improvement in suite 160 | $7,820 |
| 7160754-FS | 2026-09-14 | Fire protection | 1420 5TH AVE | TENANT IMPROVEMENT - Cosco Fire Protection scope of work is to add/ relocate approximately 119 sprinkler heads to accommodate new wall and ceiling layout for Level 27 and Level 28. | $12,416 |
| 7162269-FS | 2026-09-11 | Fire protection | 1836 NW MARKET ST | add 2 new sprinklers for TI | $3,741 |
| 7161350-FS | 2026-09-04 | Fire protection | 700 VIRGINIA ST | add 2 new sprinklers and relocate 1 sprinkler for a tenant improvement | $7,810 |
| 7158601-FS | 2026-08-31 | Fire protection | 1200 STEWART ST | This submittal is intended as a revision to the already-issued permit for the Galleria Airplane T.I. @ 1200 Stewart St. (#7072809-FS). Major revisions are as-follows, and are desc | $154,984 |
| 7160262-EL | 2026-08-27 | Electrical | 509 OLIVE WAY | Adding (Qty.4) Speaker Strobes to area lacking coverage. | |
| 7160265-EL | 2026-08-27 | Electrical | 509 OLIVE WAY | Adding (3) SD500 devices to area for protection. | |
| 7159757-EL | 2026-08-25 | Electrical | 800 5TH AVE | Customer is adding a new bathroom on the 28th floor that will require a single wall mount strobe to meet fire code.[CF 10/15/2026 - This permit was not needed. Bathroom already has | |
| 7158923-FS | 2026-08-19 | Fire protection | 2690 NE VILLAGE LN | TENANT IMPROVEMENT - Cosco Fire Protection to modify existing wet system to accommodate new walls and ceilings per NFPA 13, 2019. | $15,722 |
| 7158913-FS | 2026-08-19 | Fire protection | 400 9TH AVE N | relocate 20 QR upright sprinklers for the removal of 12" of insulation at the deck | $14,755 |
| 7156801-EL | 2026-08-05 | Electrical | 1900 9TH AVE | Changing and relocating 3 notification appliances from ceiling mount to wall mount in the area of work. | |
| 7154819-FS | 2026-07-24 | Fire protection | 600 UNIVERSITY ST | replace 9 existing QR pendent sprinklers with new VS2 Pendent sprinkler and add 2 VS2 Pendent sprinklers on both Level 35 and Level 36 elevator lobbys. VS2's are flexable sprinkler | $14,598 |
| 7154186-FS | 2026-07-21 | Fire protection | 1208 EASTLAKE AVE E | Adding and relocating sprinklers around 4 new offices being built in existing open office space. | $7,900 |
| 7150902-FS | 2026-07-01 | Fire protection | 1930 6TH AVE S | TENANT IMPROVEMENT - Cosco Fire Protection is to add/ relocate sprinkler heads to accommodate new project area layout per NFPA 13, 2019 | $13,197 |
| 7143712-FS | 2026-05-18 | Fire protection | 1201 2ND AVE | TENANT IMPROVEMENT - Cosco Fire Protection to add sprinkler to new phone booths for L28 and L29. | $8,007 |
| 7130705-FS | 2026-05-12 | Fire protection | 500 BOREN AVE N | TENANT IMPROVEMENT OF FLOORS 1-5 OF EXISTING BUILDING. CONSTRUCTION OF NEW WALLS & CEILINGS TO CREATE OFFICE SPACES CATEGORIZED AS GROUP B (BUSINESS), ASSEMBLY SPACES CATEGORIZED | $44,960 |
| 7142748-EL | 2026-05-12 | Electrical | 800 5TH AVE | Temporarily remove and then reinstall upon completion of the remodel work, one (1) speaker strobe on level 39 just inside the occupied space. | |
| 7140857-EL | 2026-04-30 | Electrical | 909 5TH AVE | To upgrade the existing Notifier NFS2-3030 fire alarm control panel with the direct replacement Notifier N16X with integrated digital voice and smoke control capabilities. The repl | $70,000 |
| 7136540-EL | 2026-04-20 | Electrical | 1900 9TH AVE | Update of notification appliances on level 5 associated with the tenant improvement project as noted within the area of work on the drawings.1 existing strobe will be removed, 1 ex | $11,000 |
| 7138864-EL | 2026-04-17 | Electrical | 2230 4TH AVE | PROVIDING NEW FIRE ALARM CONTROL PANEL, NEW SMOKE DETECTOR, AND PROGRAMMING. | |
| 7137950-EL | 2026-04-13 | Electrical | 1735 DEXTER AVE N | Replaced FACP and surge protector | |
| 7137952-EL | 2026-04-13 | Electrical | 1735 DEXTER AVE N | Replace FACP with surge protector | |
| 7137955-EL | 2026-04-13 | Electrical | 1735 DEXTER AVE N | Panel Replacement with Surge protection | |
| 7133157-EL | 2026-03-12 | Electrical | 1027 NE 65TH ST | As part of recent demolition and new wall installation, two wall-mounted fire device will need to be reinstalled. Previously wall-mounted devices will need to be reinstalled; howev | |
| 7125666-EL | 2026-03-11 | Electrical | 800 5TH AVE | As part of the tenant improvement to renovate suites on level 39 through level 42 of the building, the fire alarm system notification appliances will be updated in the area of work | $50,000 |
| 7131558-FS | 2026-03-11 | Fire protection | 922 MCGILVRA BLVD E | TENANT IMPROVEMENT - REFERENCE TO ISSUED PERMIT 7101234-FS - Revision to Level 1 Wet Fire Sprinkler System layout due to install constructability. | $24,570 |
| 7129102-EL | 2026-03-09 | Electrical | 2100 ALASKAN WAY | Complete replacement and upgrade of the head-end fire alarm control panel. This replacement is necessary due to the aging condition of the current system. | $100,000 |
| 7125672-EL | 2026-02-19 | Electrical | 800 5TH AVE | Level 38 renovation of suites. Fire alarm system notification appliances will be updated in the area of work. Existing speaker circuit on level 38 will be used for the new applianc | $8,000 |
| 7129938-FS | 2026-02-18 | Fire protection | 2025 1ST AVE | add 1 QR pendent sprinkler on Level 5 for new small conference room 05-301 and add 1 QR pendent sprinkler on Level 6 for new lactation room 06-205 | $4,270 |
| 7105838-EL | 2026-02-18 | Electrical | 2700 NE UNIVERSITY VILLAGE ST | TENANT IMPROVEMENT TO EXISTING FIRE ALARM SYSTEM IN EXISTING BUILDING. NEW PULL STATIONS AT EXITS, DUCT DETECTION SUPERVISION, & OCCUPANT NOTIFICATION | $60,171 |
| 7117622-EL | 2026-02-05 | Electrical | 2414 43RD AVE E | REPLACE FACP WITH SILENT KNIGHT 6700, ADD CLSS FOR MONITORING, REPLACE MINI-HORNS IN BEDROOMS WITH LOW FREQUENCY SOUNDERS, SWAPPING OUT DEVICES AND USING EXSITING WIRE | $33,520 |
| 7122449-FS | 2026-02-03 | Fire protection | 400 WESTLAKE AVE N | COSCO FIRE SCOPE OF WORK IS ON THE 1ST AND 13TH FLOORS. ADD/RELOCATE PENDENTS AND UPRIGHTS FOR TI. | $69,433 |
| 7127005-EL | 2026-01-29 | Electrical | 511 W MERCER PL | ||
| 7126734-EL | 2026-01-27 | Electrical | 2325 43RD AVE E | ||
| 7074379-EL | 2026-01-12 | Electrical | 1200 5TH AVE | Changing Suite 200 & 300 to Shell & core with eight speaker/strobes in area, leaving one smoke and one pull in area. | $9,900 |
| 7072809-FS | 2026-01-12 | Fire protection | 1200 STEWART ST | A T.I. project for the existing 1200 Stewart high-rise project. Scope involves a new decommissioned Boeing Airplane housed & suspended within the galleria atrium. Plane is provid | $33,880 |
| 7123842-FS | 2026-01-07 | Fire protection | 1000 DEXTER AVE N | Add / relocate 11 pendents / uprights within space | $10,376 |
| 7123841-FS | 2026-01-07 | Fire protection | 1301 2ND AVE | relocating / adding 10 sprinklers | $9,210 |
| 7122577-FS | 2025-12-24 | Fire protection | 600 PINE ST | Relocating / adding 14 sprinklers due to new walls & ceiling changes | $5,810 |
| 7121821-FS | 2025-12-18 | Fire protection | 13701 AURORA AVE N | TENANT IMPROVEMENT - Cosco Fire Protection to modify existing preaction system per NFPA 13, 2019 and City of Seattle. | $47,493 |
| 7121583-FS | 2025-12-17 | Fire protection | 400 N 34TH ST | relocate 22 sprinkler heads | $14,695 |
| 7113464-FS | 2025-12-08 | Fire protection | 1301 5TH AVE | Improvements in existing tenant space, on Levels 16 + 17 of Rainier Tower. Entirety of Level 16 is within scope (15,636 sq.ft), while only a portion of Level 17 is (8,266 sq.ft). | $88,216 |
| 7119318-FS | 2025-12-02 | Fire protection | 316 BROADWAY | COSCO FIRE PROTECTION SCOPE OF WORK IS ADD/ RELOCATE 24 SPRINKLERS FOR NEW WALLS AND CEILINGS. | $25,160 |
| 7108450-FS | 2025-11-20 | Fire protection | 325 9TH AVE N | Cosco Fire Protection to add/relocate sprinkler heads to accommodate new walls and ceiling office layout for Levels 10-12 per NFPA 13, 2019. | $175,734 |
| 7105522-EL | 2025-11-06 | Electrical | 800 5TH AVE | TENANT IMPROVEMENT PHASE 3 CONNECTING NOTIFICATION DEVICES TO EXISTING FIRE ALARM CONTROL PANEL. ADDINT INPUT MODULES AND RELAYS FOR CONTROLLING RTUS. | $10,000 |
| 7113293-EL | 2025-10-23 | Electrical | 201 ELLIOTT AVE W | UPDATE FIRE ALARM SYSYSTEM FOR TENANT IMPROVEMENT ADDING NEW ROOMS TO SPACE. USE EXISTING POWER SUPPLY AND TAPPING OFF OF EXISTING CIRCUIT. | $3,500 |
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.
Source and limits
Public Seattle permit records 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 →
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