COMPANY RECORD · SEATTLE, WA
Heating Works LLC — permit history in Seattle, WA
Heating Works LLC appears on 735 Seattle permit records from 2018 through 2026, all of them mechanical / hvac.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 735 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2018 | 47 |
| 2019 | 88 |
| 2020 | 96 |
| 2021 | 91 |
| 2022 | 82 |
| 2023 | 70 |
| 2024 | 114 |
| 2025 | 85 |
| 2026 | 62 |
Busiest year on record: 2024, with 114 permits. One project can account for several filings, so read this as filing activity rather than workload.
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This page is a snapshot of Heating Works LLC. The search behind it holds more than 400,977 Seattle permits naming a contractor, since 2015: 251,769 electrical permits, 143,940 mechanical (HVAC) permits, 5,268 fire protection permits.
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Where they worked
| Address in source | Most recent permit |
|---|---|
| 902 18TH AVE | 2026-10-29 |
| 1806 E MARION ST | 2026-10-29 |
| 1808 E MARION ST | 2026-10-29 |
| 1800 E MARION ST | 2026-10-29 |
| 1804 E MARION ST | 2026-10-29 |
| 1802 E MARION ST | 2026-10-29 |
| 10022 12TH AVE NW | 2026-10-14 |
| 3431 A 9TH AVE W | 2026-09-01 |
| 3427 A 9TH AVE W | 2026-09-01 |
| 3427 B 9TH AVE W | 2026-09-01 |
| 3429 9TH AVE W | 2026-09-01 |
| 3429 A 9TH AVE W | 2026-09-01 |
| 3429 B 9TH AVE W | 2026-09-01 |
| 3431 9TH AVE W | 2026-09-01 |
512 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $2 to $48,000, median $6,000. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Also named on permits at the same addresses
| Company | Shared addresses | Years |
|---|---|---|
| Mauro Electric Inc | 77 | 2016–2024 |
| Bridge Electric Inc | 25 | 2021–2026 |
| Js Electric, Inc. | 21 | 2022–2026 |
| Pye-Barker Fire And Safety | 15 | 2018–2026 |
| Ginter Electric | 9 | 2015–2025 |
| Home Run Electric LLC | 8 | 2016–2025 |
| Greenwood Heating & Home Services | 8 | 2019–2026 |
| Citadel Electric LLC | 7 | 2021–2025 |
Companies that also appear in Seattle permit records at addresses where Heating Works LLC filed, in any year. Sharing an address is a documented co-appearance, not proof that they worked on the same project or with each other.
Permits on record
735 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 7168991-ME | 2026-10-29 | Mechanical / HVAC | 902 18TH AVE | Multizone Mini Split Installation. Subject to Field Inspection - STFI | $4,000 |
| 7169003-ME | 2026-10-29 | Mechanical / HVAC | 1806 E MARION ST | Install a multi-zone mini-split system in rowhouse #5; subject to field inspection, STFI. | $4,000 |
| 7169010-ME | 2026-10-29 | Mechanical / HVAC | 1808 E MARION ST | Install a multi-zone mini-split system in rowhouse #6; subject to field inspection, STFI. | $4,000 |
| 7168993-ME | 2026-10-29 | Mechanical / HVAC | 1800 E MARION ST | Install a multi-zone mini-split system in rowhouse #2; subject to field inspection, STFI. | $4,000 |
| 7169001-ME | 2026-10-29 | Mechanical / HVAC | 1804 E MARION ST | Install a multi-zone mini-split system in rowhouse #4; subject to field inspection, STFI. | $4,000 |
| 7168999-ME | 2026-10-29 | Mechanical / HVAC | 1802 E MARION ST | Install a multi-zone mini-split system in rowhouse #3; subject to field inspection, STFI. | $4,000 |
| 7168093-RF | 2026-10-19 | Mechanical / HVAC | 902 18TH AVE | Mutli-zone Mini Split Installation for 6 unit townhome complex. | $18,000 |
| 7167216-RF | 2026-10-14 | Mechanical / HVAC | 10022 12TH AVE NW | MULTIZONE MINI SPLIT INSTALLATION | $15,000 |
| 7167215-FR | 2026-10-14 | Mechanical / HVAC | 10022 12TH AVE NW | multizone mini split installation | $15,000 |
| 7160655-FR | 2026-09-01 | Mechanical / HVAC | 3431 A 9TH AVE W | multizone mini split installation | $8,000 |
| 7160640-FR | 2026-09-01 | Mechanical / HVAC | 3427 A 9TH AVE W | multizone mini split installation | $8,000 |
| 7160641-FR | 2026-09-01 | Mechanical / HVAC | 3427 B 9TH AVE W | Multizone mini split installation | $8,000 |
| 7160643-RF | 2026-09-01 | Mechanical / HVAC | 3429 9TH AVE W | Multizone mini split installation | $8,000 |
| 7160644-FR | 2026-09-01 | Mechanical / HVAC | 3429 A 9TH AVE W | Multizone mini split installation | $8,000 |
| 7160645-FR | 2026-09-01 | Mechanical / HVAC | 3429 B 9TH AVE W | multizone mini split installation | $8,000 |
| 7160654-RF | 2026-09-01 | Mechanical / HVAC | 3431 9TH AVE W | multizone mini split installation | $8,000 |
| 7160661-FR | 2026-09-01 | Mechanical / HVAC | 3433 A 9TH AVE W | multizone mini split installation | $8,000 |
| 7160656-FR | 2026-09-01 | Mechanical / HVAC | 3431 B 9TH AVE W | multizone mini split installation | $8,000 |
| 7160662-FR | 2026-09-01 | Mechanical / HVAC | 3433 B 9TH AVE W | multizone mini split installation | $8,000 |
| 7160668-FR | 2026-09-01 | Mechanical / HVAC | 3435 A 9TH AVE W | multizone mini split installation | $8,000 |
| 7160669-FR | 2026-09-01 | Mechanical / HVAC | 3435 B 9TH AVE W | multizone mini split installation | $8,000 |
| 7160660-RF | 2026-09-01 | Mechanical / HVAC | 3433 9TH AVE W | multizone mini split installation | $8,000 |
| 7160667-RF | 2026-09-01 | Mechanical / HVAC | 3435 9TH AVE W | multizone mini split installation | $8,000 |
| 7160632-RF | 2026-08-31 | Mechanical / HVAC | 3425 9TH AVE W | Multizone Mini Split Installation | $8,000 |
| 7160633-FR | 2026-08-31 | Mechanical / HVAC | 3425 A 9TH AVE W | Mutlizone Mini split installation | $8,000 |
| 7160639-RF | 2026-08-31 | Mechanical / HVAC | 3427 9TH AVE W | multizone mini split installation | $8,000 |
| 7160634-FR | 2026-08-31 | Mechanical / HVAC | 3425 B 9TH AVE W | Mutlizone mini split installation | $8,000 |
| 7159949-FR | 2026-08-26 | Mechanical / HVAC | 830 NE 90TH ST | Replacing 2 ton air handler and heat pump. | $8,000 |
| 7159948-RF | 2026-08-26 | Mechanical / HVAC | 830 NE 90TH ST | Replacing 2 ton air handler and heat pump. | $8,000 |
| 7152606-FR | 2026-07-13 | Mechanical / HVAC | 2121 31ST AVE W | Mutlizone Mini Split Installation | $5,000 |
| 7152605-RF | 2026-07-13 | Mechanical / HVAC | 2121 31ST AVE W | Mutlizone Mini Split Installation | $5,000 |
| 7150485-RF | 2026-06-29 | Mechanical / HVAC | 5066 SAND POINT PL NE | Multizone mini split installation. | $14,000 |
| 7150487-RF | 2026-06-29 | Mechanical / HVAC | 5070 SAND POINT PL NE | Multizone mini split installation | $14,000 |
| 7150488-FR | 2026-06-29 | Mechanical / HVAC | 5070 SAND POINT PL NE | multizone mini split installation | $14,000 |
| 7150486-FR | 2026-06-29 | Mechanical / HVAC | 5066 SAND POINT PL NE | Multizone mini split installation | $14,000 |
| 7141407-ME | 2026-05-28 | Mechanical / HVAC | 4701 B WALLINGFORD AVE N | Multi Zone Mini Split Installation - Subject to Field Inspection (STFI) | $4,500 |
| 7141423-ME | 2026-05-28 | Mechanical / HVAC | 4701 G WALLINGFORD AVE N | Multi Zone Mini Split Installation - Subject to Field Inspection (STFI) | $4,500 |
| 7141399-ME | 2026-05-28 | Mechanical / HVAC | 4701 A WALLINGFORD AVE N | Multi Zone Mini Split Installation, subject to field inspection (STFI) | $4,500 |
| 7141412-ME | 2026-05-28 | Mechanical / HVAC | 4701 D WALLINGFORD AVE N | Multi Zone Mini Split Installation - Subject to Field Inspection (STFI) | $4,500 |
| 7141410-ME | 2026-05-28 | Mechanical / HVAC | 4701 C WALLINGFORD AVE N | Multi Zone Mini Split Installation - Subject to Field Inspection (STFI) | $4,500 |
| 7141417-ME | 2026-05-28 | Mechanical / HVAC | 4701 F WALLINGFORD AVE N | Multi Zone Mini Split Installation - Subject to Field Inspection (STFI) | $4,500 |
| 7141415-ME | 2026-05-28 | Mechanical / HVAC | 4701 E WALLINGFORD AVE N | Multi Zone Mini Split Installation - Subject to Field Inspection (STFI) | $4,500 |
| 7141427-RF | 2026-05-06 | Mechanical / HVAC | 4701 WALLINGFORD AVE N | Multi Zone Mini Split Installation | $21,000 |
| 7140023-RF | 2026-04-27 | Mechanical / HVAC | 1211 NW 118TH ST | Adding a 6k mini split indoor air handler to an existing system. | $6,000 |
| 7135883-RF | 2026-03-31 | Mechanical / HVAC | 7506 SUNNYSIDE AVE N | 3 zone mini split installation with 2 ton outdoor heat pump. | $6,000 |
| 7135884-FR | 2026-03-31 | Mechanical / HVAC | 7506 SUNNYSIDE AVE N | 2 ton 3 zone mutlizone mini split system. | $6,000 |
| 7129904-ME | 2026-03-09 | Mechanical / HVAC | 1533 19TH AVE | Multi Zone Mini Split Installation. subject to field inspections (STFI) | $4,500 |
| 7129931-ME | 2026-03-09 | Mechanical / HVAC | 1821 E PINE ST | Multi Zone Mini Split Installation. subject to field inspections (STFI) | $4,500 |
| 7129901-ME | 2026-03-09 | Mechanical / HVAC | 1531 19TH AVE | Multi Zone Mini Split Installation. subject to field inspections (STFI) | $4,500 |
| 7129913-ME | 2026-03-09 | Mechanical / HVAC | 1537 19TH AVE | Multi Zone Mini Split Installation. subject to field inspections (STFI) | $4,500 |
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 →
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