COMPANY RECORD · SEATTLE, WA
Air Systems Engineering Inc — permit history in Seattle, WA
Air Systems Engineering Inc appears on 44 Seattle permit records from 2015 through 2026, most often electrical (54.5% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Electrical | 24 | 54.5% |
| Mechanical / HVAC | 20 | 45.5% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2015 | 2 |
| 2016 | 16 |
| 2017 | 7 |
| 2018 | 13 |
| 2020 | 1 |
| 2023 | 1 |
| 2026 | 4 |
Busiest year on record: 2016, with 16 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 |
|---|---|
| 1420 5TH AVE | 2026-02-02 |
| 3317 E UNION ST | 2026-01-22 |
| 1128 NW 52ND ST | 2023-01-30 |
| 12505 GREENWOOD AVE N | 2018-05-21 |
| 12505 GREENWOOD AVE N | 2018-05-07 |
| 2000 1ST AVE | 2018-03-09 |
| 1820 BOYLSTON AVE | 2018-02-21 |
| 215 COLUMBIA ST | 2018-02-19 |
| 12524 1ST AVE NW | 2018-01-11 |
| 3701 7TH AVE S | 2017-11-30 |
| 1802 17TH AVE | 2017-11-03 |
| 4550 11TH AVE NE | 2016-11-29 |
| 4022 SW ALASKA ST | 2016-11-01 |
| 4733 BROOKLYN AVE NE | 2016-10-28 |
21 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $0 to $120,000, median $3,800. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
44 permits; open the full list
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 7125003-ME | 2026-02-02 | Mechanical / HVAC | 1420 5TH AVE | Small floor plan revision and cleaning existing GRDs. STFI (Subject to Field Inspection) | $7,644 |
| 7125932-RF | 2026-01-22 | Mechanical / HVAC | 3317 E UNION ST | Installing (3) new multizone Heat Pumps, with a total of (7) new Ceiling Cassett Fan Coils, and new refrigeration piping | $105,423 |
| 7125921-EL | 2026-01-21 | Electrical | 3317 E UNION ST | ||
| 7125016-EL | 2026-01-14 | Electrical | 1420 5TH AVE | ||
| 6927703-ME | 2023-01-30 | Mechanical / HVAC | 1128 NW 52ND ST | Improve ventilation, per plans | $29,190 |
| 6774125-ME | 2020-06-25 | Mechanical / HVAC | 1128 NW 52ND ST | HVAC TI for 4th floor -- includes air handlers and associated ductwork, per plan. | $120,000 |
| 6666858-RF | 2018-05-21 | Mechanical / HVAC | 12505 GREENWOOD AVE N | Disconnect 4 split heat pump systems from R22, replace units and connect to R410A piping. | $850 |
| 6666818-EL | 2018-05-07 | Electrical | 12505 GREENWOOD AVE N | Disconnect circuit to remove existing boiler. Provide circuits for new replacement boilers and circulation pump, install boiler control. | $2,337 |
| 6666789-EL | 2018-05-07 | Electrical | 12505 GREENWOOD AVE N | Disconnect / reconnect circuit to replace rooftop unit AC-D4 serving 3rd floor dining room. Reconnect to existing thermostat. | $526 |
| 6666838-EL | 2018-05-07 | Electrical | 12505 GREENWOOD AVE N | Disconnect / reconnect to replace (4) split heat pump systems. Reconnect to existing thermostats. | $2,106 |
| 6658136-BP | 2018-04-25 | Mechanical / HVAC | 12505 GREENWOOD AVE N | REPLACE FAILING BOILER WITH TWINNED SYSTEM WALL-MOUNTED BOILERS (2 BOILERS = 1 SYSTEM) | $0 |
| 6658134-BP | 2018-04-25 | Mechanical / HVAC | 12505 GREENWOOD AVE N | REPLACE FAILING BOILER WITH TWINNED SYSTEM WALL-MOUNTED BOILERS (2 BOILERS = 1 SYSTEM) | $0 |
| 6649303-RF | 2018-03-09 | Mechanical / HVAC | 2000 1ST AVE | INSTALL REFRIGERANT PIPING FROM INDOOR TO OUTDOOR ROOFTOP UNIT FOR NEW SPLIT HEAT PUMP ROOM SYSTEM SERVING UNIT #2700 | |
| 6648721-EL | 2018-03-05 | Electrical | 2000 1ST AVE | LINE VOLTAGE FROM EXISTING ELECTRICAL PANEL TO NEW SPLIT HEAT PUMP SYSTEM. CONNECT TO EXISTING CONTROLS. | |
| 6645988-RF | 2018-02-21 | Mechanical / HVAC | 1820 BOYLSTON AVE | SPLIT SYSTEM LINE SETS | |
| 6645985-EL | 2018-02-21 | Electrical | 1820 BOYLSTON AVE | THERMOSTATS AND SENSORS | |
| 6646274-EL | 2018-02-19 | Electrical | 215 COLUMBIA ST | DISCONNECT / RECONNECT EXISTING CIRCUIT TO REPLACE EXHAUST FAN SERVING 3RD FLOOR MEN'S BATHROOM. | |
| 6639171-FR | 2018-01-11 | Mechanical / HVAC | 12524 1ST AVE NW | Replace gas furnace. | |
| 6639214-EL | 2018-01-09 | Electrical | 12505 GREENWOOD AVE N | DISCONNECT / RECONNECT 120V CIRCUIT TO REPLACE GAS FURNACE SERVING COTTAGE #2. REPLACE THERMOSTAT. | |
| 6632729-EL | 2017-11-30 | Electrical | 3701 7TH AVE S | DISCONNECT / RECONNECT 208V - 3 PHASE ELECTRICAL CIRCUITS TO REPLACE 3 ROOFTOP UNITS. INSTALL NEW DISCONNECT BOX, FUSES, AND ELECTRICAL WHIPS FOR NEW UNITS. REPLACE 3 ASSOCIATED | |
| 6628344-RF | 2017-11-03 | Mechanical / HVAC | 1802 17TH AVE | REFRIGERANT PIPING FOR 2 NEW SPLIT HVAC SYSTEMS SERVING BASEMENT TI | |
| 6628064-EL | 2017-11-02 | Electrical | 1802 17TH AVE | LOW VOLTAGE TO INSTALL 3 THERMOSTATS NEW HVAC EQUIPMENT FOR BASEMENT TI. (1 ERV UNIT AND 2 SPLIT SYSTEMS) | |
| 6613734-ME | 2017-11-02 | Mechanical / HVAC | 1802 17TH AVE | Demo old HVAC systems in remodeled basement, install ductless heat pumps, dedicated outside air system, ductwork and electric wall heaters, per plan. | $89,800 |
| 6612444-EL | 2017-08-09 | Electrical | 2000 1ST AVE | DISCONNECT / RECONNECT 120V CIRCUIT TO REPLACE FAILED FAN COIL UNIT #9. CONNECT TO EXISTING CONTROL CIRCUIT. NEW LINE-VOLTAGE THERMOSTAT. | |
| 6597232-RF | 2017-05-19 | Mechanical / HVAC | 12505 GREENWOOD AVE N | REFIGERANT LINES FOR 4 REPLACEMENT SPLIT SYSTEMS. 6/6/17 JLE CHANGED FROM 4 TO 5 REPLACEMENT SPLIT SYSTEM AND UPDATED VALUE | $9,664 |
| 6597190-EL | 2017-05-15 | Electrical | 12505 GREENWOOD AVE N | DISCONNECT / RECONNECT 208V-3 PHASE CIRCUITS TO REPLACE 4 SPLIT HEAT PUMP SYSTEMS. INSTALL NEW DISCONNECT BOXES, FUSES, AND ELECTRICAL WHIP FOR EACH SPLIT SYSTEM. NEW PROGRAMMABL | |
| 6569077-EL | 2016-11-29 | Electrical | 4550 11TH AVE NE | Closed without final inspection, no known life safety issues LOW VOLTAGE WIRING TO INSTALL 2 NEW THERMOSTATS. | |
| 6564758-EL | 2016-11-01 | Electrical | 4022 SW ALASKA ST | DISCONNECT / RECONNECT TO REPLACE FAILING CONTROLLER WITH NEW AUTO-MATRIX TOUCH SCREEN DISPLAY. | |
| 6564316-RF | 2016-10-31 | Mechanical / HVAC | 4550 11TH AVE NE | INSTALL 2 HEAT PUMP SPLIT SYSTEMS FOR NEW 7-11 STORE | |
| 6562634-RF | 2016-10-28 | Mechanical / HVAC | 4733 BROOKLYN AVE NE | REPLACE ROOFTOP HEAT PUMP | $275 |
| 6563768-EL | 2016-10-26 | Electrical | 801 25TH AVE | DISCONNECT AND RECONNECT EXISTING ELECTRICAL CIRCUITS TO REPLACE SPLIT HEAT PUMP SYSTEM SERVING SANCTUARY. NEW THERMOSTAT. | |
| 6560566-RF | 2016-10-10 | Mechanical / HVAC | 7101 38TH AVE S | REPLACE SPLIT SYSTEM AIR CONDITINING SYSTEM -RECONNECT TO EXISTING REFRIGERANT PIPING | $275 |
| 6557138-EL | 2016-09-19 | Electrical | 4733 BROOKLYN AVE NE | DISCONNECT / RECONNECT TO REPLACE ROOFTOP HEAT PUMP. REPLACE LINE VOLTAGE DISCONNECT. NEW THERMOSTAT. 12/02/2016 SR ADD: 100A FEEDER. | |
| 6551647-EL | 2016-08-16 | Electrical | 7101 38TH AVE S | 8/16/2016 - CANCELLED CUSTOMER LOG #16-1230 REPLACE OUTDOOR AIR CONDITIONING UNIT AND ASSOCIATED INDOOR COOLING COIL IN ATTIC. NEW SENSOR. | |
| 6551052-EL | 2016-08-11 | Electrical | 7101 38TH AVE S | DISCONNECT / RECONNECT TO REPLACE OUTDOOR AIR CONDITIONER (GROUND-MOUNTED) AND INDOOR COOLING COIL IN ATTIC. NEW THERMOSTAT. | |
| 6543850-ME | 2016-07-06 | Mechanical / HVAC | 1802 17TH AVE | Install 1 exhaust fan in 3rd floor restroom and 1 exhaust fan in 4th floor restroom, subject to field inspection (STFI) | $3,800 |
| 6542284-EL | 2016-06-23 | Electrical | 6285 AIRPORT WAY S | 6/23/2016 - CANCELLED CUSTOMER LOG #16-897 LOW VOLTAGE WIRING FOR NEW FURNACE THERMOSTATS. THERMOSTATS (AND FURNACES) TO BE REPLACED IN 22 UNITS, ALL UNITS EXCEPT 101. | |
| 6515777-ME | 2016-03-24 | Mechanical / HVAC | 3218 W MCGRAW ST | Remove existing rooftop unit. Install (2) new rooftop units and associated ductwork per plans. | $34,335 |
| 6524136-EL | 2016-03-15 | Electrical | 531 QUEEN ANNE AVE N | LOW VOLTAGE WIRING FOR SENSORS IN PARKING GARAGE LEVELS P1 & P2 -- 12 COMBO CO/NO SENSORS AND 1 CONTROLLER. | |
| 6518374-ME | 2016-02-17 | Mechanical / HVAC | 13330 STONE AVE N | Replace (1) unit heater in mechanic shop, subject to field inspection (STFI) | $4,581 |
| 6518396-EL | 2016-02-10 | Electrical | 13330 STONE AVE N | REPLACE UNIT HEATER - RECONNECT TO EXISTING LINE VOLTAGE AND CONTROL WIRING. NEW THERMOSTAT. | |
| 6515936-EL | 2016-01-27 | Electrical | 3218 W MCGRAW ST | 2 NEW THERMOSTATS. | |
| 6500853-RF | 2015-10-21 | Mechanical / HVAC | 4433 42ND AVE SW | REFRIGERATION LINES TO HVAC EQUIPMENT | |
| 6500756-EL | 2015-10-20 | Electrical | 4433 42ND AVE SW | LOW VOLTAGE TO INSTALL 6 PARKING GARAGE EXHAUST SENSORS AND 2 THERMOSTATS ON 1ST FLOOR (LEASING OFFICE AND FITNESS ROOM). |
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 →