COMPANY RECORD · SEATTLE, WA
Sjs Mechanical Services — permit history in Seattle, WA
Sjs Mechanical Services appears on 49 Seattle permit records from 2015 through 2026, all of them mechanical / hvac.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 49 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2015 | 1 |
| 2016 | 12 |
| 2017 | 10 |
| 2018 | 13 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 3 |
Busiest year on record: 2018, with 13 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 |
|---|---|
| 600 5TH AVE S | 2026-08-11 |
| 1107 E MADISON ST | 2026-04-20 |
| 1820 BOYLSTON AVE | 2026-04-13 |
| 2220 E UNION ST | 2025-08-04 |
| 2116 4th AVE S | 2024-12-12 |
| 2020 E MADISON ST | 2023-06-20 |
| 1830 BROADWAY | 2020-08-06 |
| 3230 16TH AVE W | 2018-04-24 |
| 1701 NW 56TH ST | 2018-01-19 |
| 4700 SW ADMIRAL WAY | 2018-01-08 |
| 4220 S OTHELLO ST | 2017-06-27 |
| 800 NE 67TH ST | 2016-04-19 |
| 2900 3RD AVE W | 2016-03-07 |
| 1530 11TH AVE | 2015-01-14 |
14 distinct addresses on record. Declared value on record runs from $1 to $23,342, median $3,552. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
49 permits; open the full list
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 7157075-BP | 2026-08-11 | Mechanical / HVAC | 600 5TH AVE S | Isolate, drain and disconnect (1) existing storage tank. Provide and install (1) 390 galloon storage tank. NOTE: The existing storage tank which is epoxy coated have been disco | $20,152 |
| 7136735-BP | 2026-04-20 | Mechanical / HVAC | 1107 E MADISON ST | Remove (1) existing Bock OT500N-A, 125 gallon, 500K BTU high efficiency commercial gas water heater, located at the mechanical room. Install (1) Bock OT500N2-A (updated model) | $3,552 |
| 7137148-BP | 2026-04-13 | Mechanical / HVAC | 1820 BOYLSTON AVE | Remove (1) existing Bock OT400N2-A, 125 gallon, 400K BTU high efficiency commercial gas water heater, located at the mechanical room. Install (1) Bock OT400N2-A commercial ga | $4,111 |
| 7079249-BP | 2025-12-11 | Mechanical / HVAC | 1820 BOYLSTON AVE | Modify boiler piping for (1) BOCK OT-400N boiler located at the boiler room and install (1) BOCK OT-400N boiler. Future decarbonization plan required before final inspection. | $1,966 |
| 7087527-BP | 2025-08-04 | Mechanical / HVAC | 2220 E UNION ST | Isolate, drain and disconnect (1) existing Bock OT400NA water heater at mechanical room. Provide and install (1) Bock OT400N2-A? water heater and modify piping to accommodate n | $23,342 |
| 7079960-BP | 2025-04-28 | Mechanical / HVAC | 1107 E MADISON ST | Remove (1) Bock OT500N-A, 125 gallon, 500K BTU high efficiency commercial gas water heater. Replace with updated model Bock OT500N2-A. Future decarbonization plan required befor | $5,087 |
| 7060560-BP | 2024-12-12 | Mechanical / HVAC | 2116 4th AVE S | Remove (1) Wessels TTA-210 expansion tank and replace with new. (Like for like.) | $6,000 |
| 7060791-BP | 2024-12-12 | Mechanical / HVAC | 2116 4th AVE S | Remove (1) Wessels FXA-500 expansion tank, then replace with new. (Like for like.) | $3,000 |
| 6930819-BP | 2023-06-20 | Mechanical / HVAC | 2020 E MADISON ST | Replaced (1) failed Bock boiler with new AO Smith BTH500A boiler. (NOTE: this is the second of three that we have done this year) | $20,000 |
| 6934314-BP | 2023-06-20 | Mechanical / HVAC | 2020 E MADISON ST | Replace (1) Bock boiler with new AO Smith BTH500A boiler (third of three) | $20,000 |
| 6914783-BP | 2022-08-03 | Mechanical / HVAC | 2020 E MADISON ST | Replaced (1) failed Bock boiler with new AO Smith BTH500A boiler | $20,000 |
| 6794916-BP | 2020-08-06 | Mechanical / HVAC | 1830 BROADWAY | New residential multifamily building over one level of future TI space. Water heating system consists of (2) AO Smith BTH-300 boilers and an Amtrol ST80V expansion tank. | $10,000 |
| 6794925-BP | 2020-08-06 | Mechanical / HVAC | 1830 BROADWAY | Multifamily residential over one level TI space. Water heating system includes (2) AO Smith 300 BTH water heaters and (1) Amtrol ST-80V expansion tank | $10,000 |
| 6658102-BP | 2018-04-24 | Mechanical / HVAC | 3230 16TH AVE W | BOILER START UP | $1 |
| 6658101-BP | 2018-04-24 | Mechanical / HVAC | 3230 16TH AVE W | BOILER START UP | $1 |
| 6658100-BP | 2018-04-24 | Mechanical / HVAC | 3230 16TH AVE W | BOILER START UP | $1 |
| 6658097-BP | 2018-04-24 | Mechanical / HVAC | 3230 16TH AVE W | BOILER START UP | $1 |
| 6640892-BP | 2018-01-19 | Mechanical / HVAC | 1701 NW 56TH ST | INSTALL (3) PVI WATER HEATERS AND (1) AMTROL EXPANSION TANK | $1 |
| 6640893-BP | 2018-01-19 | Mechanical / HVAC | 1701 NW 56TH ST | INSTALL (3) PVI WATER HEATERS AND (1) AMTROL EXPANSION TANK | $1 |
| 6640891-BP | 2018-01-19 | Mechanical / HVAC | 1701 NW 56TH ST | INSTALL (3) PVI WATER HEATERS AND (1) AMTROL EXPANSION TANK | $1 |
| 6640890-BP | 2018-01-19 | Mechanical / HVAC | 1701 NW 56TH ST | INSTALL (3) PVI WATER HEATERS AND (1) AMTROL EXPANSION TANK | $1 |
| 6638922-BP | 2018-01-08 | Mechanical / HVAC | 4700 SW ADMIRAL WAY | 80-UNIT ASSISTED LIVING FACILITY | |
| 6638924-BP | 2018-01-08 | Mechanical / HVAC | 4700 SW ADMIRAL WAY | 80-UNIT ASSISTED LIVING FACILITY | |
| 6638923-BP | 2018-01-08 | Mechanical / HVAC | 4700 SW ADMIRAL WAY | 80-UNIT ASSISTED LIVING FACILITY | |
| 6638921-BP | 2018-01-08 | Mechanical / HVAC | 4700 SW ADMIRAL WAY | 80-UNIT ASSISTED LIVING FACILITY | |
| 6638925-BP | 2018-01-08 | Mechanical / HVAC | 4700 SW ADMIRAL WAY | 80-UNIT ASSISTED LIVING FACILITY | |
| 6605078-BP | 2017-06-27 | Mechanical / HVAC | 4220 S OTHELLO ST | INSTALLATION OF STORAGE TANK. | |
| 6605081-BP | 2017-06-27 | Mechanical / HVAC | 4220 S OTHELLO ST | INSTALLATION OF STORAGE TANK. | |
| 6590130-BP | 2017-04-05 | Mechanical / HVAC | 4220 S OTHELLO ST | WATER HEATER INSTALL | |
| 6590129-BP | 2017-04-05 | Mechanical / HVAC | 4220 S OTHELLO ST | WATER HEATER INSTALL | |
| 6590128-BP | 2017-04-05 | Mechanical / HVAC | 4220 S OTHELLO ST | WATER HEATER INSTALL | |
| 6590127-BP | 2017-04-05 | Mechanical / HVAC | 4220 S OTHELLO ST | INSTALLATION OF WATER HEATERS | |
| 6590126-BP | 2017-04-05 | Mechanical / HVAC | 4220 S OTHELLO ST | INSTALLATION OF WATER HEATERS | |
| 6590125-BP | 2017-04-05 | Mechanical / HVAC | 4220 S OTHELLO ST | INSTALLATION OF WATER HEATERS | |
| 6590124-BP | 2017-04-05 | Mechanical / HVAC | 4220 S OTHELLO ST | WATER HEATER INSTALL | |
| 6590123-BP | 2017-04-05 | Mechanical / HVAC | 4220 S OTHELLO ST | INSTALLATION OF WATER HEATERS | |
| 6530098-BP | 2016-04-19 | Mechanical / HVAC | 800 NE 67TH ST | INSTALL NEW BOOSTER PUMP TANK | |
| 6530099-BP | 2016-04-19 | Mechanical / HVAC | 800 NE 67TH ST | INSTALL NEW BOOSTER PUMP TANK | |
| 6522598-BP | 2016-03-07 | Mechanical / HVAC | 2900 3RD AVE W | INSTALL BOILER | |
| 6522607-BP | 2016-03-07 | Mechanical / HVAC | 800 NE 67TH ST | INSTALL BOILER | |
| 6522606-BP | 2016-03-07 | Mechanical / HVAC | 800 NE 67TH ST | INSTALL BOILER | |
| 6522605-BP | 2016-03-07 | Mechanical / HVAC | 800 NE 67TH ST | INSTALL BOILER | |
| 6522604-BP | 2016-03-07 | Mechanical / HVAC | 800 NE 67TH ST | INSTALL BOILER | |
| 6522601-BP | 2016-03-07 | Mechanical / HVAC | 2900 3RD AVE W | INSTALL BOILER | |
| 6522600-BP | 2016-03-07 | Mechanical / HVAC | 2900 3RD AVE W | INSTALL BOILER | |
| 6522599-BP | 2016-03-07 | Mechanical / HVAC | 2900 3RD AVE W | INSTALL BOILER | |
| 6522608-BP | 2016-03-07 | Mechanical / HVAC | 800 NE 67TH ST | INSTALL BOILER | |
| 6522609-BP | 2016-03-07 | Mechanical / HVAC | 800 NE 67TH ST | INSTALL BOILER | |
| 6454695-BP | 2015-01-14 | Mechanical / HVAC | 1530 11TH AVE | INSTALL PRESSURE VESSEL |
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 →