COMPANY RECORD · SEATTLE, WA
NW Expert Heating — permit history in Seattle, WA
NW Expert Heating appears on 55 Seattle permit records from 2025 through 2026, most often mechanical / hvac (52.7% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 29 | 52.7% |
| Electrical | 26 | 47.3% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2025 | 4 |
| 2026 | 51 |
Busiest year on record: 2026, with 51 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 |
|---|---|
| 6707 42ND AVE SW | 2026-08-12 |
| 14326 INTERLAKE AVE N | 2026-08-07 |
| 3311 S MYRTLE PL | 2026-08-05 |
| 8327 44TH AVE S | 2026-08-03 |
| 5601 S AVON ST | 2026-07-07 |
| 603 W KINNEAR PL | 2026-07-06 |
| 8612 B DELRIDGE WAY SW | 2026-07-01 |
| 2721 1ST AVE | 2026-06-25 |
| 6711 M L KING JR WAY S | 2026-06-25 |
| 10501 39TH AVE SW | 2026-06-11 |
| 327 31ST AVE E | 2026-06-10 |
| 3848 C 22ND AVE SW | 2026-06-09 |
| 3848C 22ND AVE SW | 2026-06-08 |
| 8612B DELRIDGE WAY SW | 2026-06-01 |
29 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $1,000 to $25,000, median $10,000. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
55 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 7157695-FR | 2026-08-12 | Mechanical / HVAC | 6707 42ND AVE SW | 2.5 Ton Carrier Heatpump 16 SEER Full System New Thermostat 1 Year Labor Warranty 10 Year Parts Warranty 10 Year Compressor Warranty Single Speed Blower Up to 16 Seer | $10,000 |
| 7157697-RF | 2026-08-12 | Mechanical / HVAC | 6707 42ND AVE SW | Full install, addition of heat pump | $1,000 |
| 7157696-EL | 2026-08-11 | Electrical | 6707 42ND AVE SW | DISCONNECT AND INSPECTION | |
| 7156977-FR | 2026-08-07 | Mechanical / HVAC | 14326 INTERLAKE AVE N | 2 Ton Carrier Low Temp Up to 16 SEER Full System. | $10,000 |
| 7156804-FR | 2026-08-05 | Mechanical / HVAC | 3311 S MYRTLE PL | Hvac install 2 Ton Carrier Low Temp Up to 16 SEER Full System. | $10,000 |
| 7156182-FR | 2026-08-03 | Mechanical / HVAC | 8327 44TH AVE S | 3 Ton Carrier Crossover Coil and Condensor only Up to 16 SEER | $10,000 |
| 7156184-FR | 2026-08-03 | Mechanical / HVAC | 8327 44TH AVE S | HVAC INSTALL | $1,000 |
| 7156183-EL | 2026-08-03 | Electrical | 8327 44TH AVE S | DISCONNECT AND INSPECTION | |
| 7151556-EL | 2026-07-07 | Electrical | 5601 S AVON ST | Intall disconnect | |
| 7151510-FR | 2026-07-07 | Mechanical / HVAC | 5601 S AVON ST | Installation of 2 ton midea heat pump + coil | $5,000 |
| 7151568-RF | 2026-07-07 | Mechanical / HVAC | 5601 S AVON ST | HVAC INSTALL | $5,000 |
| 7151131-FR | 2026-07-06 | Mechanical / HVAC | 603 W KINNEAR PL | 4 Ton Carrier Full System Up to 16 SEER Condenser & 90% Dual Fuel. | $15,000 |
| 7150771-FR | 2026-07-01 | Mechanical / HVAC | 8612 B DELRIDGE WAY SW | Install a new Carrier 2 head ductless heat pump unit in the existing 3rd floor rooftop area. We will reconnect the existing electrical circuit and fused disconnect to this new unit | $10,000 |
| 7150414-EL | 2026-06-29 | Electrical | 603 W KINNEAR PL | Add heat pump | |
| 7150421-RF | 2026-06-29 | Mechanical / HVAC | 603 W KINNEAR PL | 4 Ton Carrier Full System Up to 16 SEER Condenser & 90% Dual Fuel. | $10,000 |
| 7149969-RF | 2026-06-25 | Mechanical / HVAC | 2721 1ST AVE | FULL HVAC SYSTEM INSTALL | $10,000 |
| 7150152-RF | 2026-06-25 | Mechanical / HVAC | 6711 M L KING JR WAY S | RTU install and replace The goal of this project is to improve the air flow for the entire space including to help remove excessive heat from the back of house. | $20,000 |
| 7149965-EL | 2026-06-24 | Electrical | 2721 1ST AVE | DISCONNECT | |
| 7149434-EL | 2026-06-22 | Electrical | 6711 M L KING JR WAY S | Electrical walkthrough for RTU install | |
| 7147730-EL | 2026-06-11 | Electrical | 10501 39TH AVE SW | Heat pump add to existing system | |
| 7147734-RF | 2026-06-11 | Mechanical / HVAC | 10501 39TH AVE SW | Heat pump add to existing system | $5,000 |
| 7147408-RF | 2026-06-10 | Mechanical / HVAC | 327 31ST AVE E | 90-90 Furnace replacement & Single Zone mini-split | $12,000 |
| 7147394-EL | 2026-06-10 | Electrical | 327 31ST AVE E | Disconnect | |
| 7146867-RF | 2026-06-09 | Mechanical / HVAC | 3848 C 22ND AVE SW | Installation of 2 mini split. | $10,000 |
| 7146850-EL | 2026-06-08 | Electrical | 3848C 22ND AVE SW | Installation of 2 mini split. | |
| 7146468-RF | 2026-06-05 | Mechanical / HVAC | 14326 INTERLAKE AVE N | 2 Ton Carrier Low Temp Up to 16 SEER Full System. | $10,000 |
| 7146464-EL | 2026-06-04 | Electrical | 14326 INTERLAKE AVE N | Installation of disconnect for 2 Ton Carrier Low Temp Up to 16 SEER Full System | |
| 7145702-RF | 2026-06-01 | Mechanical / HVAC | 8612 B DELRIDGE WAY SW | #75792270 HVAC MINI SPLIT INSTALL - 2 HEAD - ROOF TOP UNIT | $10,000 |
| 7145689-EL | 2026-06-01 | Electrical | 8612B DELRIDGE WAY SW | HVAC DISCONNECT | |
| 7145472-EL | 2026-05-29 | Electrical | 3314A CLAREMONT AVE S | DISCONNECT | |
| 7145308-RF | 2026-05-28 | Mechanical / HVAC | 5823 6TH AVE S | Installation of (1) new Trane 7.5-ton package heat pump unit with code required and energy saving factory economizer. Disconnection and capping of the existing gas lines to the new | $25,000 |
| 7144943-RF | 2026-05-27 | Mechanical / HVAC | 1300 UNIVERSITY ST | Ductless or Ducted Mini Split System - 1 OUTDOOR & 1 INDOOR - Units with 10 years parts / 10 years compressor | $10,000 |
| 7144787-EL | 2026-05-26 | Electrical | 6067 6TH AVE NE | FROM PANEL UP THROUGH THE ATTIC TO THE OUTDOOR UNIT. 50' | |
| 7144791-RF | 2026-05-26 | Mechanical / HVAC | 6067 6TH AVE NE | Running line through exterior and then through the attic space and out through the soffit | $1,000 |
| 7144322-RF | 2026-05-21 | Mechanical / HVAC | 2530 MOUNT CLAIRE DR S | REFRIGERATION LINE W/ HVAC INSTALL | $10,000 |
| 7144202-EL | 2026-05-20 | Electrical | 2530 MOUNT CLAIRE DR S | DISCONNECT | |
| 7143496-EL | 2026-05-15 | Electrical | 1300 UNIVERSITY ST | Disconnet w/ new installed system | |
| 7137502-EL | 2026-04-08 | Electrical | 2721 1ST AVE | HVAC - Disconnect for Heat Pump | |
| 7134854-EL | 2026-03-24 | Electrical | 9227 RENTON AVE S | Add/Alter Circuit for HVAC - We are replacing an existing 80% efficient gas furnace with a new 80% efficient gas furnace that is like-for-like. We are also adding a heat pump. New | |
| 7134839-FR | 2026-03-24 | Mechanical / HVAC | 9227 RENTON AVE S | We are replacing an existing 80% efficient gas furnace with a new 80% efficient gas furnace that is like-for-like. We are also adding a heat pump. New equipment will connect to the | $13,800 |
| 7134180-EL | 2026-03-19 | Electrical | 2721 1ST AVE | Add/Alter Circuit - HVAC - we are replacing an existing HVAC system with a new HVAC system that is like-for-like. The new unit will connect to the existing configuration. | |
| 7133226-EL | 2026-03-12 | Electrical | 2200 NW MARKET ST | HVAC - we are replacing a rooftop HVAC unit that is like-for-like & the new equipment will connect to the existing configuration. | |
| 7132494-FR | 2026-03-10 | Mechanical / HVAC | 8102 5TH AVE NE | HVAC - Installtion of ducted mini split | $12,000 |
| 7132486-EL | 2026-03-09 | Electrical | 8102 5TH AVE NE | HVAC - Add/Alter Circuit - Installtion of ducted mini split | |
| 7132021-FR | 2026-03-09 | Mechanical / HVAC | 5403 44TH AVE SW | Installation of amana 13 seer ac | $8,800 |
| 7132024-EL | 2026-03-04 | Electrical | 5403 44TH AVE SW | Add/Alter Circuit for HVAC - adding an air conditioner | |
| 7128988-EL | 2026-02-11 | Electrical | 3532 NW 67TH ST | ||
| 7128968-FR | 2026-02-11 | Mechanical / HVAC | 3532 NW 67TH ST | Complete installation of a Carrier 12k BTU slim ducted mini split system. This includes the drain pan, condensation drain, and wet switch required for an attic install. A 12k BTU h | $13,900 |
| 7128789-FR | 2026-02-11 | Mechanical / HVAC | 5649 16TH AVE SW | We are replacing an existing 90% efficient gas furnace with a new 90% efficient gas furnace that is like-for-like. New equipment will connect to the existing configuration. | $7,000 |
| 7124558-EL | 2026-01-12 | Electrical | 8645 22ND AVE SW |
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 →