COMPANY RECORD · SEATTLE, WA
Macdonald Miller Facility Solutions LLC — permit history in Seattle, WA
Macdonald Miller Facility Solutions LLC appears on 1,808 Seattle permit records from 2015 through 2026, most often mechanical / hvac (76.7% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 1386 | 76.7% |
| Electrical | 422 | 23.3% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2015 | 1 |
| 2016 | 6 |
| 2017 | 11 |
| 2018 | 92 |
| 2019 | 195 |
| 2020 | 217 |
| 2021 | 234 |
| 2022 | 158 |
| 2023 | 236 |
| 2024 | 241 |
| 2025 | 230 |
| 2026 | 187 |
Busiest year on record: 2024, with 241 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 |
|---|---|
| 520 PIKE ST | 2026-08-28 |
| 1301 5TH AVE | 2026-08-27 |
| 1404 4TH AVE | 2026-08-27 |
| 123 NW 36TH ST | 2026-08-25 |
| 1551 EASTLAKE AVE E | 2026-08-25 |
| 2001 8TH AVE | 2026-08-25 |
| 700 DEXTER AVE N | 2026-08-17 |
| 747 BROADWAY | 2026-08-14 |
| 1229 MADISON ST | 2026-08-13 |
| 999 3RD AVE | 2026-08-13 |
| 701 N 34TH ST | 2026-08-13 |
| 1730 MINOR AVE | 2026-08-13 |
| 5801 EAST MARGINAL WAY S | 2026-08-13 |
| 800 5TH AVE | 2026-08-11 |
488 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $0 to $30,000,000, median $13,874. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
1,808 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 7160351-EL | 2026-08-28 | Electrical | 520 PIKE ST | -Install (1) 15amp Circuit for HVAC Equipment. - Install low voltage wiring for (1) new HVAC controller. | |
| 7160354-EL | 2026-08-28 | Electrical | 520 PIKE ST | -Install (1) 15amp circuit for HVAC equipment. -Install (1) 20 amp circuit for HVAC equipment. - Install (1) 30 amp circuit for HVAC equipment. -Install low voltage wiring for (3) | |
| 7160233-EL | 2026-08-27 | Electrical | 1301 5TH AVE | (5) new PIU zones Modify (5) existing PIU zones - Assumes using the existing controllers, sensors and actuators. (11) new cooling only pinch boxes to provide dedicated zones Reloca | |
| 7159957-ME | 2026-08-27 | Mechanical / HVAC | 1404 4TH AVE | REPLACE (2) EXISTING VAV BOXES WITH NEW - SUBJECT TO FIELD INSPECTION (STFI) | $14,000 |
| 7159726-EL | 2026-08-25 | Electrical | 123 NW 36TH ST | Replace GP-7 and GP-8 with like-in-kind | |
| 7159708-EL | 2026-08-25 | Electrical | 2001 8TH AVE | Floor #11: (16) REPLACEMENT OF EXISTING VAV CONTROL | (1) NEW CONTROLS FOR FCU | (8) CONTROLS FOR NEW FTU'S | (4) NEW CO2 SENSORS DMD BASED CONTROL | (1) WATER METER INTEGRATION TO | |
| 7158049-ME | 2026-08-25 | Mechanical / HVAC | 1551 EASTLAKE AVE E | DEMOLITION AND INSTALLATION OF DUCTWORK, DEMOLITION OF EXISTING DIFFUSERS AND INSTALLATION OF NEW HEPA LAMINAR DIFFUSERS, AND INSTALLATION OF NEW FIRE STORAGE CABINET EXHAUST DUCTW | $45,500 |
| 7159137-EL | 2026-08-20 | Electrical | 1404 4TH AVE | Relocate (1) existing 208v/3phase circuit for VAV relocate | Provide (2) new 208V/ 3phase circuits for new VAV's | Provide (1) new 208V / 1phase circuit for new duct heater | Provi | |
| 7158642-EL | 2026-08-18 | Electrical | 1301 5TH AVE | Demo existing exhaust fan | Use existing 480V circuit using tap rule | Feed two 125A disconnects to each fan array drive | |
| 7147564-ME | 2026-08-17 | Mechanical / HVAC | 700 DEXTER AVE N | Extend an existing HTG/CHW riser from LV11-15 | $118,021 |
| 7148891-ME | 2026-08-14 | Mechanical / HVAC | 747 BROADWAY | Base scope of work includes modification of existing supply ductwork and installation of new split-system. | $124,250 |
| 7158102-EL | 2026-08-13 | Electrical | 701 N 34TH ST | (1) Added CAT6 Network Cable to connect to a new Roof Top Unit (RTU-4) that is getting replaced with a new Trane RTU. | |
| 7158089-EL | 2026-08-13 | Electrical | 1730 MINOR AVE | Unit replacement Disconnect/Reconnect line volt. Replace Snap Toggle switch with Knife switch Disconnect. | |
| 7155828-EL | 2026-08-13 | Electrical | 5801 EAST MARGINAL WAY S | Install a new 400 amp 480 3 phase panel. run 4 different circuits to re feed existing equipment [8-11-26 D Rankin - Added Get Started permit.] | $75,000 |
| 7158105-EL | 2026-08-13 | Electrical | 999 3RD AVE | Abandon existing sump pump electrical conduit | Sawcut and install new conduit in existing concrete slab | Install new sump pump, floats, power, and float leads | |
| 7158043-EL | 2026-08-13 | Electrical | 1229 MADISON ST | Replace existing disconnects, perform electrical disconnect and make-safe of units, run new wiring using existing conduit, and perform electrical reconnect once new units are insta | |
| 7156945-ME | 2026-08-11 | Mechanical / HVAC | 800 5TH AVE | Furnish and install exhaust fan EF28-1 and route 6" diameter exhaust duct and , Demo existing lay-in diffuser and some of the low-pressure duct serving existing FTU28-15 as indicat | $4,395 |
| 7151497-ME | 2026-08-06 | Mechanical / HVAC | 123 NW 36TH ST | - REPLACE TWO (2) PACKAGED GAS ROOFTOP UNIT WITH PACKAGED HEAT PUMP ROOFTOP UNITS IN THE SAME LOCATION. DISCONNECT AND CAP EXISTING NATURAL GAS SUPPLY. UPDATE POWER WIRING AND DISC | $49,619 |
| 7157036-EL | 2026-08-06 | Electrical | 521 16TH AVE E | Add New EPO for (2) new boilers | |
| 7157035-EL | 2026-08-06 | Electrical | 4245 ROOSEVELT WAY NE | Provide and install two (2) managed Ethernet switches and fifty-seven (57) Honeywell Spyder 7 VAV controllers to replace existing Trane zone controllers. Work includes installation | |
| 7156907-EL | 2026-08-06 | Electrical | 12513 LAKE CITY WAY NE | Replace Gas Pack RTU #6 | Use existing elec. circuit and refuse. | |
| 7146448-ME | 2026-08-06 | Mechanical / HVAC | 1201 3RD AVE | Replace existing VAV's with new VAV's and rearrange diffusers to match new wall layouts, per plans. | $39,481 |
| 7156796-EL | 2026-08-05 | Electrical | 1325 4TH AVE | We are adding 4 VFDs to pumps. | |
| 7156837-EL | 2026-08-05 | Electrical | 1191 2ND AVE | VAV and HP controller upgrades on FL 5,12,14. Remove/replace 38 devices on 5, 33 devices on 12, and 33 devices on 14. Specifically, replace unit controller, unit T-stat, and run ne | |
| 7140695-ME | 2026-08-04 | Mechanical / HVAC | 2001 8TH AVE | Two floor TI consisting of the update of VAV zones to match new floor plans. Will require relocation of VAV's, diffusers, ductwork, and other items as required to accommodate new l | $582,482 |
| 7141987-ME | 2026-08-04 | Mechanical / HVAC | 1201 3RD AVE | Provide relocation of several VAV's. Provide two new perimeter VAV's with heat. Demo existing heat pump and replace with one of like size with electrical meter. Provide new relief | $79,852 |
| 7155869-BP | 2026-08-03 | Mechanical / HVAC | 1550 N 115TH ST | Replace (3) air compressors with (1) new air compressor. The air compressor serves the building HVAC pneumatic controls system. | $66,835 |
| 7137389-ME | 2026-08-03 | Mechanical / HVAC | 520 PIKE ST | Replacement of (10) fan powered VAVs and (10) squeeze box VAVs. Per plans | $74,827 |
| 7156349-EL | 2026-08-03 | Electrical | 333 8TH AVE N | Provide and install (1) actuator and low voltage wiring for EVAV. (1) airflow monitor and low voltage wiring | |
| 7155910-EL | 2026-07-30 | Electrical | 1821 BOREN AVE | INSTALL 24V TRANSFORMER AND 5 RELAY | |
| 7155670-EL | 2026-07-29 | Electrical | 2030 WESTERN AVE | Install new VFD on pressurization fan | |
| 7154012-ME | 2026-07-29 | Mechanical / HVAC | 1000 OLIVE WAY | DEMO EXISTING TRANSFER FAN AND ASSOCIATED WALL GRILLES. PROVIDE NEW 2-PIPE FAN COIL UNIT, NEW LOW-PRESSURE DUCTWORK DISTRIBUTION, NEW LOW-PRESSURE DUCTWORK DISTRIBUTION, AND NEW HY | $18,500 |
| 7138518-ME | 2026-07-17 | Mechanical / HVAC | 520 PIKE ST | Replacement of (3) squeeze box VAVs and (4) fan powered VAVs, with the addition of (1) new fan powered VAV and modified low pressure distribution as indicated, per Plans. | $35,651 |
| 7153313-RF | 2026-07-16 | Mechanical / HVAC | 1229 MADISON ST | REPLACE (3) HEAT PUMP SPLIT SYSTEMS IN THE SAME LOCATION WITH SAME OR APPROVED MAKE AND MODEL. | $0 |
| 7152489-EL | 2026-07-10 | Electrical | 1201 3RD AVE | -Provide (2) new water sensors, -install Controls for (1) new 1.5 ton HP -Install (1) Water Meter, -Install Controls for (2) new VAV Units -Install Controls for (3) VAV Units -Prov | |
| 7152213-EL | 2026-07-09 | Electrical | 1201 3RD AVE | Floor 53 -Run Cat 6 Comm Cable to (30) new VAV & HPs -Demo 30 VAV unit controllers and field devices -Install (30) controllers and Room Sensors for new VAV units (Reuse existing co | |
| 7152231-EL | 2026-07-09 | Electrical | 1201 3RD AVE | Floor 54 -Run Cat 6 Comm Cable to (16) new VAV & HPs -Demo 30 VAV unit controllers and field devices -Install (16) controllers and Room Sensors for new VAV units (Reuse existing co | |
| 7152242-EL | 2026-07-09 | Electrical | 1201 3RD AVE | Floor 55 (1) Booster Fan -Run Cat 6 Comm Cable to (17) new VAV & HPs (total) -Demo VAV unit controllers and field devices -Install (17) controllers and Room Sensors for new VAV uni | |
| 7151043-EL | 2026-07-01 | Electrical | 1915 2ND AVE | - Demo existing ODU and IDU. - Install New ODU 208v 1ph - Install New IDU 208v 1ph | |
| 7150058-BP | 2026-06-30 | Mechanical / HVAC | 3310 6TH AVE W | Replacing the HE on AJAX boiler M#S1-V-05-DW-SE250-D | $17,565 |
| 7148776-BP | 2026-06-30 | Mechanical / HVAC | 747 BROADWAY | COMP.NT0E001 COMPRESSOR SYSTEM: TANK MOUNTED, OIL-LESS SCROLL SYSTEM - STD05044-DD | $20,000 |
| 7148753-BP | 2026-06-30 | Mechanical / HVAC | 747 BROADWAY | COMP.NT03003 Laboratory Open Scroll Air Compressor System | $50,000 |
| 7137244-ME | 2026-06-30 | Mechanical / HVAC | 1221 MADISON ST | Provide & install (16) terminal units with hydronic heating coils / (1) transfer fan / (2) 4 pipe fan coil unit. Per plans. Referenced building permit: 7122274-BK | $100,000 |
| 7148779-BP | 2026-06-29 | Mechanical / HVAC | 747 BROADWAY | CHILHR.NT03301 - Heat Recovery Chiller, 350T | $500,000 |
| 7150346-EL | 2026-06-26 | Electrical | 520 PIKE ST | -Install HVAC controls for (10) new VAV and associated wiring. -Disconnect and reconnect 277v line volt power for (4) VAV's being replaced. | |
| 7143239-ME | 2026-06-23 | Mechanical / HVAC | 1000 N NORTHLAKE WAY | RELOCATE (2) VRV TERMINAL UNIT, INSTALL NEW REFRIGERANT PIPING, NEW DUCTWORK AND DIFFUSERS. INSTALL (1) NEW TRANSFER FAN AND ASSOCIATED DUCTWORK AND GRILLES, PER PLAN. | $31,598 |
| 7148876-RF | 2026-06-22 | Mechanical / HVAC | 747 BROADWAY | Base scope of work includes modification of existing supply ductwork and installation of new split-system. | $0 |
| 7121644-ME | 2026-06-22 | Mechanical / HVAC | 1616 EASTLAKE AVE E | Alterations to mechanical system on existing commercial building, per plans. | $500,000 |
| 7148414-ME | 2026-06-18 | Mechanical / HVAC | 1602 5TH AVE N | ADD (3) NEW SA DIFFUSERS, RELOCATE (4) EXISTING SA DIFFUSERS, RELOCATE (3) EXISTING RA GRILLES, RELOCATE (1) EXISTING T'STAT'S, ADD (1) CO2 SENSOR & (1) OCCUPANCY SENSOR TO VAV-803 | $3,597 |
| 7148794-EL | 2026-06-17 | Electrical | 215 COLUMBIA ST | We will be bonding the Sprinkler riser, the incoming water and building steel. |
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 →