COMPANY RECORD · SEATTLE, WA
Custom Radiant — permit history in Seattle, WA
Custom Radiant appears on 28 Seattle permit records from 2018 through 2026, all of them mechanical / hvac.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 28 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 5 |
| 2025 | 2 |
| 2026 | 2 |
Busiest year on record: 2019, with 5 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 |
|---|---|
| 4520 21ST AVE NE | 2026-08-27 |
| 2211 1ST AVE N | 2026-02-05 |
| 4328 SUNNYSIDE AVE N | 2025-12-19 |
| 3420 37TH AVE SW | 2025-11-13 |
| 1637 22ND AVE E | 2023-12-18 |
| 2208 VIEWMONT WAY W | 2023-10-06 |
| 9007 2ND AVE NW | 2023-02-13 |
| 124 NW CANAL ST | 2023-01-05 |
| 3222 SIERRA DR S | 2022-12-21 |
| 13046 39TH AVE NE | 2022-10-17 |
| 114 NE 55TH ST | 2022-07-20 |
| 1620 LAKE WASHINGTON BLVD | 2022-06-06 |
| 2406 QUEEN ANNE AVE N | 2021-06-02 |
| 321 NW 90TH ST | 2021-04-07 |
26 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $10,075 to $150,000, median $24,550. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
28 permits; open the full list
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 7160186-BP | 2026-08-27 | Mechanical / HVAC | 4520 21ST AVE NE | install Viessmann CU3A 199 boiler. Building less than 20,000 square feet - decarb plan not required. | $50,000 |
| 7127993-FR | 2026-02-05 | Mechanical / HVAC | 2211 1ST AVE N | Install Viessmann Vitocal 100-AW | $54,400 |
| 7122109-BP | 2025-12-19 | Mechanical / HVAC | 4328 SUNNYSIDE AVE N | Replace existing boiler with Viessmann Vitodens 200 B2HE-150 wall hung condensing boiler | $18,250 |
| 7116631-BP | 2025-11-13 | Mechanical / HVAC | 3420 37TH AVE SW | Viessmann VitoCrossal 300 CU3A-125 boiler | $30,000 |
| 7001249-BP | 2023-12-18 | Mechanical / HVAC | 1637 22ND AVE E | Install Viessmann Vitodens 200W B2HE-120 wall hung condensing boiler | $25,636 |
| 6998918-FR | 2023-12-04 | Mechanical / HVAC | 1637 22ND AVE E | Install Mitsubishi outdoor hyper heat pump system | $38,000 |
| 6989917-BP | 2023-10-06 | Mechanical / HVAC | 2208 VIEWMONT WAY W | Install new Viessmann B2HA-311 boiler | $15,000 |
| 6947625-BP | 2023-02-13 | Mechanical / HVAC | 9007 2ND AVE NW | Install new Viessmann Vitodens 200-W, B2HB 160 | $19,900 |
| 6940610-BP | 2023-01-05 | Mechanical / HVAC | 124 NW CANAL ST | Install new Viessmann B2HE-150 Vitodens 200-W boiler | $37,725 |
| 6939410-FR | 2022-12-21 | Mechanical / HVAC | 3222 SIERRA DR S | Install 1 Mitsubishi system with 7 indoor air handlers and associated line sets 3 story house Outdoor unit -North side of house top floor 4 heads middle floor 2 heads | $69,766 |
| 6928313-BP | 2022-10-17 | Mechanical / HVAC | 13046 39TH AVE NE | install (1) Viessmann 222F-35 Combi gas-fired boiler | $15,000 |
| 6912413-BP | 2022-07-20 | Mechanical / HVAC | 114 NE 55TH ST | Install Viessmann VitoCrossal CU3A 125 boiler with indirect fired doemstic hot water | $26,000 |
| 6903822-BP | 2022-06-06 | Mechanical / HVAC | 1620 LAKE WASHINGTON BLVD | Install 2 Viessmann Vitodnes 200 B2HA 530 boilers | $150,000 |
| 6903820-BP | 2022-06-06 | Mechanical / HVAC | 1620 LAKE WASHINGTON BLVD | Install 2 Viessmann Vitodens 200 B2HA 530 boilers | $150,000 |
| 6841506-BP | 2021-06-02 | Mechanical / HVAC | 2406 QUEEN ANNE AVE N | Install new Viessmann Vitodens 200W B2HB-125 Wall hung condensing boiler | $24,500 |
| 6832520-BP | 2021-04-07 | Mechanical / HVAC | 321 NW 90TH ST | Install Viessmann Vitodens 100W B1KA 125 boiler | $14,000 |
| 6823195-BP | 2021-02-10 | Mechanical / HVAC | 1823 N 55TH ST | Install new Viessmann Vitodens 200W B2HB-125 stainless steel wall hung condensing boiler | $19,996 |
| 6820568-BP | 2021-01-26 | Mechanical / HVAC | 1653 FEDERAL AVE E | install a Viessmann VitoCrossal 300 CU3A-199 boiler | $32,000 |
| 6812906-BP | 2020-12-01 | Mechanical / HVAC | 3016 CASCADIA AVE S | Viessmann Vitocrossal 300-CU3A Boiler | $27,300 |
| 6812904-BP | 2020-12-01 | Mechanical / HVAC | 3512 S EDMUNDS ST | Install a Viessmann Vitodens 100-W B1HA 125 boiler | $14,653 |
| 6772569-BP | 2020-02-19 | Mechanical / HVAC | 7014 2ND AVE NW | Install Viessmann Vitodens 200W B2HB 125 wall hung boiler | $10,075 |
| 6766669-BP | 2020-01-14 | Mechanical / HVAC | 132 A 25TH AVE E | install a new Viessmann combi boiler system - Viessmann Vitodens 100W B1KA 125 boiler | $13,742 |
| 6759956-BP | 2019-11-22 | Mechanical / HVAC | 342 NW 76TH ST | Install a Viessmann Vitodens 200W B2HB-125 boiler | $23,000 |
| 6737082-BP | 2019-07-10 | Mechanical / HVAC | 7938 DENSMORE AVE N | Install new Viessmann Vitodens 100-W B1HA 125 boiler to provide heat and domestic hot water | $17,350 |
| 6731394-BP | 2019-06-06 | Mechanical / HVAC | 2839 MOUNT ST HELENS PL S | Install a Viessmann Vitodens 200W B2HB 125 wall hung condensing boiler to provide heat and domestic hot water for the home | $24,600 |
| 6731401-BP | 2019-06-06 | Mechanical / HVAC | 626 N 64TH ST | Install a Viessmann Vitodens 200W B2HB-199 boiler to provide heat and domestic hot water | $37,610 |
| 6722674-BP | 2019-04-16 | Mechanical / HVAC | 360 LEE ST | Install approximately 441 sq. ft. of climate panel in the living space above the garage. A manifold will be located in the garage with one radiator to provide heat. A Viessmann | $14,150 |
| 6693225-BP | 2018-10-10 | Mechanical / HVAC | 3507 SW HANFORD ST | SINGLE FAMILY RESIDENCE replace boiler | $20,387 |
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 →