COMPANY RECORD · SEATTLE, WA
Holmberg Mechanical — permit history in Seattle, WA
Holmberg Mechanical appears on 146 Seattle permit records from 2018 through 2026, most often mechanical / hvac (98.6% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 144 | 98.6% |
| Electrical | 2 | 1.4% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2018 | 19 |
| 2019 | 11 |
| 2020 | 21 |
| 2021 | 53 |
| 2022 | 13 |
| 2023 | 8 |
| 2024 | 8 |
| 2025 | 4 |
| 2026 | 9 |
Busiest year on record: 2021, with 53 permits. One project can account for several filings, so read this as filing activity rather than workload.
PROJECTS AHEAD SEARCH
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This page is a snapshot of Holmberg Mechanical. 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 |
|---|---|
| 2200 WESTLAKE AVE | 2026-08-18 |
| 2400 11TH AVE E | 2026-07-14 |
| 9891 RENTON AVE S | 2026-05-28 |
| 801 E THOMAS ST | 2026-05-19 |
| 6801 GREENWOOD AVE N | 2026-05-05 |
| 11 W ALOHA ST | 2026-04-29 |
| 2935 E Madison ST | 2026-01-21 |
| 5100 15th AVE NW | 2026-01-06 |
| 3003 NE 75TH ST | 2025-08-04 |
| 3735 Brooklyn AVE NE | 2025-05-07 |
| 401 S JACKSON ST | 2025-02-19 |
| 1550 N 115TH ST | 2024-12-06 |
| 1890 ALASKAN WAY | 2024-10-01 |
| 1530 11TH AVE | 2024-05-31 |
58 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $2,500 to $100,000,000, median $690,000. 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
| Company | Shared addresses | Years |
|---|---|---|
| Ec Electric | 20 | 2016–2026 |
| Datskiy Electric LLC | 9 | 2019–2026 |
| Johnson Controls Fire Protection | 8 | 2019–2026 |
| Guardian Security Systems Inc | 8 | 2016–2026 |
| Cochran Inc | 7 | 2019–2026 |
| Titan Electric Inc | 7 | 2018–2026 |
| Nelson Electric Incorporated | 6 | 2015–2026 |
| Prime Electric | 6 | 2015–2026 |
Companies that also appear in Seattle permit records at addresses where Holmberg Mechanical 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
146 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 7149438-ME | 2026-08-18 | Mechanical / HVAC | 2200 WESTLAKE AVE | Install ductless cooling units elevator machine room, 2 new units indoors and air handlers, per plans | $28,413 |
| 7152949-RF | 2026-07-14 | Mechanical / HVAC | 2400 11TH AVE E | This application is related to Mechanical Permit #7140836-ME | $10,000 |
| 7150664-EL | 2026-06-30 | Electrical | 2400 11TH AVE E | 2 additional thermostats and moving the location for 1 existing one | |
| 7135341-ME | 2026-05-28 | Mechanical / HVAC | 9891 RENTON AVE S | THIS PROJECT PROVIDES HEATING AND VENTILATION TO THE ATHLETIC STORAGE/RESTROOMS BUILDING (BUILDING PERMIT NUMBER 7004388-CN). ROOMS TO BE CLASSIFIED AS SEMI-HEATED SPACES, PER PLA | $44,000 |
| 7143662-BP | 2026-05-19 | Mechanical / HVAC | 801 E THOMAS ST | Removing and replacing one hot water storage tank with ASME insulated and jacketed tank. Exact size replacement. | $30,000 |
| 7141524-BP | 2026-05-05 | Mechanical / HVAC | 6801 GREENWOOD AVE N | Replace failing booster pump and ASME pressure tank with like size and type; 2) 7.5 HP pumps; 1) Wessels FXA-200, 53 gallon ASME booster pump expansion tank; UL listed pump package | $50,000 |
| 7138456-ME | 2026-04-29 | Mechanical / HVAC | 11 W ALOHA ST | New mechanical construction to remedy inoperable existing conditions found during construction, and provide limited new system in specific interior renovation areas, including new | $50,000 |
| 7125091-BP | 2026-01-21 | Mechanical / HVAC | 2935 E Madison ST | Adding 1 boiler to PCC madison | $30,000 |
| 7114873-ME | 2026-01-06 | Mechanical / HVAC | 5100 15th AVE NW | Replace stolen RTU units, replacing like for like, utilizing same pad, connections and openings per plan. | $50,000 |
| 7081038-ME | 2025-08-04 | Mechanical / HVAC | 3003 NE 75TH ST | Plumbing & HVAC upgrade to Science Classrooms, per plan. | $35,000 |
| 7093840-RF | 2025-06-30 | Mechanical / HVAC | 11 W ALOHA ST | REFRESH OF SELECT AREAS ON TOWER - NINE INDEPENDENT LIVING UNITS WITH NEW PLUMBING & FIXTURES, HVAC REMODEL, VRF HVAC, VRF SYSTEM, CONTROLS, WIREING OF HVAC EQUIPMENT; TEST AND | $350,000 |
| 7081059-ME | 2025-05-07 | Mechanical / HVAC | 3735 Brooklyn AVE NE | Modify HVAC existing ductwork, grilles, diffusers in 5 portables, per plans | $25,000 |
| 7058385-ME | 2025-02-19 | Mechanical / HVAC | 401 S JACKSON ST | install new LG mini splits in the elevator machine rooms | $22,000 |
| 7059434-RF | 2024-12-06 | Mechanical / HVAC | 1550 N 115TH ST | install new HVAC units for UW Wish | $45,000 |
| 7058376-RF | 2024-12-02 | Mechanical / HVAC | 401 S JACKSON ST | install refer piping to new LG mini splits in the elevator machine rooms | $3,500 |
| 7048774-EL | 2024-10-01 | Electrical | 1890 ALASKAN WAY | 2 heat trace circuits & associated runs of heat trace cable. | $10,000 |
| 7028108-RF | 2024-05-31 | Mechanical / HVAC | 1530 11TH AVE | provide and install 4 fan coil units | $30,000 |
| 7005468-ME | 2024-05-29 | Mechanical / HVAC | 4225 ROOSEVELT WAY NE | Alterations to mechanical system in existing commercial building, per plans. | $73,370 |
| 7016805-RF | 2024-03-27 | Mechanical / HVAC | 2700 CALIFORNIA AVE SW | new refer line for mini split (Qty 1) | $6,000 |
| 7009565-ME | 2024-03-14 | Mechanical / HVAC | 2000 Alaskan WAY | Mechanical Room outside of a Café - Louvers / Fans / Dampers with minimal duct. STFI (Subject to Field Inspection) | $20,000 |
| 6993897-ME | 2024-02-23 | Mechanical / HVAC | 1959 NE PACIFIC ST | Alterations to mechanical system in existing commercial building (interior only), per plans. | $175,000 |
| 6990494-RF | 2023-10-12 | Mechanical / HVAC | 502 S LUCILE ST | Emergency Replacement of existing HVAC equipment on existing commercial building, per plan | $27,000 |
| 6979705-ME | 2023-10-09 | Mechanical / HVAC | 502 S LUCILE ST | Emergency replacement of existing HVAC Systems on existing commercial building, per plan. | $108,000 |
| 6986589-RF | 2023-09-19 | Mechanical / HVAC | 2701 26TH AVE SW | rough in and added multiple daiken units. rough in line sets | $25,000 |
| 6971094-RF | 2023-06-20 | Mechanical / HVAC | 1705 NE Pacific ST | -ASI-002: Change order work - Revised Sheets M201/M601/M701/P100 -Added FCU-1-12 (1/4" Liquid, ½" Gas) -Re-route ½" CW & 1-1/2" Waste Piping within casework | $12,000 |
| 6947652-ME | 2023-05-18 | Mechanical / HVAC | 1531 WESTERN AVE | Install new 3 exhaust fans, associated duct work, and low volt controls, per plans. | $125,000 |
| 6956284-RF | 2023-03-31 | Mechanical / HVAC | 8501 ROOSEVELT WAY NE | Refrigeration piping for our scope: see below Provide and install (2) zones of HVAC to serve the space Provide (1) ERV to provide the ventilation for the space Provide (1) hood | $7,000 |
| 6949718-RF | 2023-02-24 | Mechanical / HVAC | 7364 EAST GREEN LAKE DR N | This is a total demo and install of the Green lake Library. We will be installing 17 mini splits with two branch controllers, with two roof top One with 148 MBH cooling capacity an | $105,000 |
| 6930491-ME | 2023-02-02 | Mechanical / HVAC | 8501 ROOSEVELT WAY NE | TI of existing cafe/bakery | $99,836 |
| 6915526-ME | 2022-11-29 | Mechanical / HVAC | 4600 38TH AVE S | Upgrading equipment to remove ADA barrier | $23,900 |
| 6904639-ME | 2022-08-23 | Mechanical / HVAC | 10330 MERIDIAN AVE N | Removing a water sourced heat pump and installing a refrigerant run split system on the first floor | $38,000 |
| 6916084-ME | 2022-08-10 | Mechanical / HVAC | 415 E PIKE ST | Tenant improvement for Pagliacci Pizza, duct work only, subject to field inspection. STFI | $15,000 |
| 6906743-RF | 2022-06-21 | Mechanical / HVAC | 917 E YESLER WAY | Refer permit for the VRF system servicing Yesler Community Center Gym | $40,000 |
| 6905716-RF | 2022-06-15 | Mechanical / HVAC | 10330 MERIDIAN AVE N | Installing a refrigerant run split system on the first floor | $38,000 |
| 6900244-RF | 2022-05-17 | Mechanical / HVAC | 3058 NW 54TH ST | VRF System > 2 AHUs | $6,500 |
| 6899417-RF | 2022-05-13 | Mechanical / HVAC | 3058 NW 54TH ST | Pag. Shilshole Refer Permit for AHU-2 | $6,500 |
| 6899153-RF | 2022-05-11 | Mechanical / HVAC | 3058 NW 54TH ST | Refer Permit for AHU-1 | $6,500 |
| 6897941-ME | 2022-05-05 | Mechanical / HVAC | 925 4th AVE | Like For Like HP Replacement- Subject to Field Inspection (STFI) | $8,000 |
| 6882821-BP | 2022-02-15 | Mechanical / HVAC | 7201 EAST GREEN LAKE DR N | Permitting an expansion tank - 61 gallons 125PSI | $5,000 |
| 6882956-BP | 2022-02-15 | Mechanical / HVAC | 7201 EAST GREEN LAKE DR N | Domestic Hot Water Heater | $7,500 |
| 6882966-BP | 2022-02-15 | Mechanical / HVAC | 7201 EAST GREEN LAKE DR N | Permit needed for DHWH | $7,000 |
| 6882824-BP | 2022-02-15 | Mechanical / HVAC | 7201 EAST GREEN LAKE DR N | Permit needed for Air Separator 850GPM | $5,000 |
| 6861556-ME | 2021-12-02 | Mechanical / HVAC | 3058 NW 54TH ST | Remodel & addition to an existing building. The existing space is a burger restaurant that is being remodeled into a pizza restaurant. Install type II Hood with electric resistance | $135,000 |
| 6857762-RF | 2021-09-13 | Mechanical / HVAC | 1400 NW LEARY WAY | VRF System Refer | $3,000 |
| 6854315-BP | 2021-08-18 | Mechanical / HVAC | 4801 24TH AVE NE | Installing boiler in multi family building - P1 Boiler Room | $35,000 |
| 6854312-BP | 2021-08-18 | Mechanical / HVAC | 4801 24TH AVE NE | Installing expansion tank in multi family building | $2,500 |
| 6854196-BP | 2021-08-18 | Mechanical / HVAC | 4801 24TH AVE NE | Level P1 South building | $2,500 |
| 6852028-BP | 2021-08-05 | Mechanical / HVAC | 10503 INTERLAKE AVE N | Installing a HWT @ Firestation 31 | $5,000 |
| 6851305-RF | 2021-08-03 | Mechanical / HVAC | 4801 24TH AVE NE | REFER for two split systems | $3,000 |
| 6845118-BP | 2021-06-23 | Mechanical / HVAC | 60 YESLER WAY | TACO EXPANSION TANK | $8,775,577 |
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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