COMPANY RECORD · SEATTLE, WA
West Coast Plumbing — permit history in Seattle, WA
West Coast Plumbing appears on 140 Seattle permit records from 2018 through 2026, most often mechanical / hvac (95% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 133 | 95% |
| Fire protection | 7 | 5% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2018 | 6 |
| 2019 | 44 |
| 2020 | 48 |
| 2021 | 16 |
| 2022 | 19 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Busiest year on record: 2020, with 48 permits. One project can account for several filings, so read this as filing activity rather than workload.
Where they worked
| Address in source | Most recent permit |
|---|---|
| 10731 17TH AVE NE | 2026-01-12 |
| 2308 E SPRUCE ST | 2025-10-29 |
| 1412 N 47TH ST | 2025-05-01 |
| 3947 W BARRETT LN | 2025-01-07 |
| 9711 44TH AVE SW | 2024-12-09 |
| 4521 BAGLEY AVE N | 2024-12-09 |
| 11348 23RD AVE NE | 2024-05-01 |
| 1033 B NE 100TH ST | 2022-05-16 |
| 1033 A NE 100TH ST | 2022-05-16 |
| 1039 NE 100TH ST | 2022-05-16 |
| 1039 C NE 100TH ST | 2022-05-16 |
| 1039 B NE 100TH ST | 2022-05-16 |
| 1011 NE 100th ST | 2022-03-25 |
| 1009 NE 100th ST | 2022-03-25 |
99 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $100 to $82,000, median $11,600. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
140 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 7119469-FS | 2026-01-12 | Fire protection | 10731 17TH AVE NE | INSTALLATION OF 13D FIRE SPRINKLER SYSTEM AT NEW CONSTRUCTION OF SINGLE FAMILY HOME | $15,000 |
| 7108405-FS | 2025-10-29 | Fire protection | 2308 E SPRUCE ST | This is a new construction and installation of 13d fire sprinkler system in 4 attached townhomes in Seattle, WA | $17,000 |
| 7070481-FS | 2025-05-01 | Fire protection | 1412 N 47TH ST | new construction 13d fire sprinkler installation | $12,000 |
| 7058838-FS | 2025-01-07 | Fire protection | 3947 W BARRETT LN | New construction 13d fire sprinkler installation | $12,000 |
| 7053596-FS | 2024-12-09 | Fire protection | 9711 44TH AVE SW | New construction 13d fire sprinkler installation | $12,000 |
| 7040245-FS | 2024-12-09 | Fire protection | 4521 BAGLEY AVE N | 13D fire sprinkler system installation | $10,000 |
| 7020069-FS | 2024-05-01 | Fire protection | 11348 23RD AVE NE | new construction 13d fire sprinkler system | $10,000 |
| 6899601-FR | 2022-05-16 | Mechanical / HVAC | 1033 B NE 100TH ST | new construction cover. 1220/2022 CG Address change from 1035 NE 100th ST | $11,850 |
| 6899599-FR | 2022-05-16 | Mechanical / HVAC | 1033 A NE 100TH ST | new construction furnace cover. 1220/2022 CG Address change from 1035 NE 100th ST | $11,850 |
| 6899907-FR | 2022-05-16 | Mechanical / HVAC | 1039 NE 100TH ST | new construction furnace cover | $11,850 |
| 6899909-FR | 2022-05-16 | Mechanical / HVAC | 1039 C NE 100TH ST | new construction furnace cover | $11,850 |
| 6899908-FR | 2022-05-16 | Mechanical / HVAC | 1039 B NE 100TH ST | new construction furnace cover | $11,850 |
| 6890213-FR | 2022-03-25 | Mechanical / HVAC | 1011 NE 100th ST | new construction furnace cover | $11,850 |
| 6890143-FR | 2022-03-25 | Mechanical / HVAC | 1009 NE 100th ST | new construction furnace cover | $11,850 |
| 6890146-FR | 2022-03-25 | Mechanical / HVAC | 1009 C NE 100TH ST | new construction furnace cover | $11,850 |
| 6890139-FR | 2022-03-25 | Mechanical / HVAC | 1015 NE 100th ST | new construction furnace cover adu | $11,850 |
| 6890135-FR | 2022-03-25 | Mechanical / HVAC | 1015 NE 100th ST | furnace cover, ADU1 | $11,850 |
| 6890131-FR | 2022-03-25 | Mechanical / HVAC | 1015 NE 100th ST | new construction furnace cover, sfr | $11,850 |
| 6879363-FR | 2022-01-27 | Mechanical / HVAC | 8238 21st AVE NE | new construction furnace cover | $11,850 |
| 6877010-FR | 2022-01-12 | Mechanical / HVAC | 1041 NE 100th ST | SFR Furnace cover | $11,850 |
| 6877012-FR | 2022-01-12 | Mechanical / HVAC | 1041 NE 100th ST | ADU Furnace cover | $11,850 |
| 6877013-FR | 2022-01-12 | Mechanical / HVAC | 1041 NE 100th ST | DADU Furnace cover | $11,850 |
| 6876917-FR | 2022-01-11 | Mechanical / HVAC | 1047 NE 100TH ST | DADU Furnace cover | $11,850 |
| 6876928-FR | 2022-01-11 | Mechanical / HVAC | 1047 NE 100th ST | ADU furnace cover | $11,850 |
| 6876766-FR | 2022-01-11 | Mechanical / HVAC | 11715 2nd AVE NW | DADU furnace cover | $11,850 |
| 6876925-FR | 2022-01-11 | Mechanical / HVAC | 1047 NE 100th ST | SFR Furnace cover | $11,850 |
| 6874706-FR | 2021-12-22 | Mechanical / HVAC | 750 N 68th ST | furnace cover, new construction DADU | $12,400 |
| 6874704-FR | 2021-12-22 | Mechanical / HVAC | 750 N 68th ST | furnace cover, new construction ADU | $12,400 |
| 6874702-FR | 2021-12-22 | Mechanical / HVAC | 750 N 68th ST | furnace cover, new construction SFR | $12,400 |
| 6871319-FR | 2021-12-01 | Mechanical / HVAC | 702 18th AVE | new construction venting | $5,000 |
| 6857576-FR | 2021-09-09 | Mechanical / HVAC | 12330 38th AVE NE | Furnace cover, new construction | $12,400 |
| 6857577-FR | 2021-09-09 | Mechanical / HVAC | 12332 38th AVE NE | furnace cover, new construction | $11,850 |
| 6850900-FR | 2021-07-30 | Mechanical / HVAC | 6212 7th AVE NW | furnace cover, new construction | $10,150 |
| 6850899-FR | 2021-07-30 | Mechanical / HVAC | 6212 7th AVE NW | furnace cover, new construction | $9,900 |
| 6850898-FR | 2021-07-30 | Mechanical / HVAC | 6212 7TH AVE NW | Furnace cover, new construction | $9,650 |
| 6846115-FR | 2021-06-30 | Mechanical / HVAC | 4126 3RD AVE NW | FURNACE COVER, NEW CONSTRUCTION INSTALLATION | $5,000 |
| 6845534-FR | 2021-06-28 | Mechanical / HVAC | 4130 3RD AVE NW | single family new construction heat pump install | $3,000 |
| 6845529-FR | 2021-06-25 | Mechanical / HVAC | 4128 3RD AVE NW | Single Family new construction heat pump install | $3,000 |
| 6844459-FR | 2021-06-21 | Mechanical / HVAC | 821 NE 89TH ST | furnace cover, Jake's D 821B, New Construction | $7,665 |
| 6838369-FR | 2021-05-13 | Mechanical / HVAC | 4130 3RD AVE NW | FURNACE COVER, NEW CONSTRUCTION INSTALLATION | $11,650 |
| 6838367-FR | 2021-05-13 | Mechanical / HVAC | 4128 3RD AVE NW | FURNACE COVER, NEW CONSTRUCTION INSTALLATION | $11,650 |
| 6838364-FR | 2021-05-13 | Mechanical / HVAC | 4126 3RD AVE NW | FURNACE COVER, NEW CONSTRUCTION INSTALLATION | $11,650 |
| 6815162-FR | 2020-12-16 | Mechanical / HVAC | 946 19TH AVE E | FURNACE COVER, JAKES D 946, REMODEL | $11,650 |
| 6815163-FR | 2020-12-16 | Mechanical / HVAC | 821 NE 89TH ST | FURNACE COVER, JAKE'S D 821, NEW CONSTRUCTION | $11,650 |
| 6814524-FR | 2020-12-14 | Mechanical / HVAC | 3212 NE 70TH ST | FURNACE COVER, 3212 REMODEL | $11,600 |
| 6813591-FR | 2020-12-07 | Mechanical / HVAC | 946 19TH AVE E | FURNACE COVER NEW CONSTRUCTION | $11,600 |
| 6800944-FR | 2020-09-16 | Mechanical / HVAC | 640 NW 47TH ST | FURNACE COVER, NEW CONSTRUCTION INSTALLATION | $11,650 |
| 6800943-FR | 2020-09-16 | Mechanical / HVAC | 640 NW 47TH ST | FURNACE COVER, NEW CONSTRUCTION INSTALLATION | $11,650 |
| 6799975-FR | 2020-09-10 | Mechanical / HVAC | 8045 INTERLAKE AVE N | FURNACE COVER, NEW CONSTRUCTION INSTALLATION | $5,500 |
| 6799974-FR | 2020-09-10 | Mechanical / HVAC | 8045 INTERLAKE AVE N | FURNACE COVER, NEW CONSTRUCTION INSTALLATION | $5,500 |
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 →