COMPANY RECORD · SEATTLE, WA
Gb Systems, Inc — permit history in Seattle, WA
Gb Systems, Inc appears on 27 Seattle permit records from 2020 through 2026, all of them mechanical / hvac.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 27 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2020 | 1 |
| 2023 | 13 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 5 |
Busiest year on record: 2023, with 13 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 |
|---|---|
| 2520 11th AVE W | 2026-05-11 |
| 910 MARION ST | 2026-04-23 |
| 1900 1ST AVE | 2026-04-06 |
| 401 23RD AVE S | 2026-03-09 |
| 1911 N 45TH ST | 2026-03-04 |
| 415 1ST AVE N | 2025-08-08 |
| 104 12TH AVE | 2025-08-01 |
| 2411 ALASKAN WAY | 2025-07-10 |
| 901 S MAIN ST | 2025-03-14 |
| 1605 S JACKSON ST | 2025-03-07 |
| 86 PINE ST | 2024-10-28 |
| 1401 NW 46TH ST | 2024-05-09 |
| 1627 14TH AVE | 2024-03-29 |
| 1212 WESTERN AVE | 2023-10-24 |
25 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $150 to $239,850, median $1,550. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
27 permits; open the full list
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 7142176-RF | 2026-05-11 | Mechanical / HVAC | 2520 11th AVE W | Amtz residence: Add piping for (1) 1.5 ton split system heat pump for 3rd floor. 5/13/2026 address change from 2524 1TH AVE W | $1,500 |
| 7139829-RF | 2026-04-23 | Mechanical / HVAC | 910 MARION ST | Chancery Place: Add piping to 3 split system heat pumps | $1,550 |
| 7136823-RF | 2026-04-06 | Mechanical / HVAC | 1900 1ST AVE | Thompson Hotel Retrofit: Reconnect existing refrigeration piping to new heat recovery boxes and fan coil units on floors 11 and 12. Add piping to 2 new split systems up to roof. | $16,000 |
| 7132208-RF | 2026-03-09 | Mechanical / HVAC | 401 23RD AVE S | Chase Retrofit Extend existing piping to replacement VRF fan coils. | $5,735 |
| 7131603-RF | 2026-03-04 | Mechanical / HVAC | 1911 N 45TH ST | Provide & install refrigeration piping for (2) split-system heat pumps | $300 |
| 7100724-RF | 2025-08-08 | Mechanical / HVAC | 415 1ST AVE N | Gantry Queen Anne Install refrigerant piping for 4 split systems mechanical permit 7076381-ME | $5,500 |
| 7099530-RF | 2025-08-01 | Mechanical / HVAC | 104 12TH AVE | Suite 111 Upgrade: Install piping from fan coil to heat pump in garage | $800 |
| 7095176-RF | 2025-07-10 | Mechanical / HVAC | 2411 ALASKAN WAY | Edgewater Inn Restaurant Install refrigeration piping for 5 fan coils to a VRF condenser and 1 split system. | $9,942 |
| 7075582-RF | 2025-03-14 | Mechanical / HVAC | 901 S MAIN ST | Provide & install refrigeration piping for (8) split-system heat pumps mechanical permit 6998815-ME | $1,200 |
| 7074012-RF | 2025-03-07 | Mechanical / HVAC | 1605 S JACKSON ST | 1605 S Jackson add (39) split system heat pumps mechanical permit 6982795-ME | $19,766 |
| 7053131-RF | 2024-10-28 | Mechanical / HVAC | 86 PINE ST | Inn at the Market install (6) Mitsubishi VRF systems with (76) fan coils and (6) condensers. | $110,400 |
| 7024163-RF | 2024-05-09 | Mechanical / HVAC | 1401 NW 46TH ST | Food for Dogs TI, Suite D Add piping from new fan coil to existing VRF system. | $1,100 |
| 7017079-RF | 2024-03-29 | Mechanical / HVAC | 1627 14TH AVE | Olympic Ridge - install refrigeration piping for 6 split system heat pumps. | $4,000 |
| 6992635-RF | 2023-10-24 | Mechanical / HVAC | 1212 WESTERN AVE | Harbor Steps Pool Conversion. Install refrigeration piping for a new 10 ton split system heat pump. | $1,000 |
| 6986443-RF | 2023-09-18 | Mechanical / HVAC | 3513 STONE WAY N | Provide & install refrigeration piping for (2) split-system heat pumps | $300 |
| 6979381-RF | 2023-08-07 | Mechanical / HVAC | 6901 M L KING JR WAY S | Add refrigeration piping for new split system for Papa John's Rainier Valley | $600 |
| 6963156-RF | 2023-05-08 | Mechanical / HVAC | 2150 N 122ND ST | Add refrigeration piping to 2 split systems | $2,200 |
| 6962023-RF | 2023-05-01 | Mechanical / HVAC | 4106 Stone WAY N | Extend existing refrigeration piping to new location of existing fan coil | $150 |
| 6958286-RF | 2023-04-12 | Mechanical / HVAC | 1921 1ST AVE | Extend refrigeration piping to new fan coil on existing VRF system. | $500 |
| 6955259-RF | 2023-03-28 | Mechanical / HVAC | 2116 E DENNY WAY | Add refrigeration piping for new split system. | $1,000 |
| 6955254-RF | 2023-03-28 | Mechanical / HVAC | 12500 LAKE CITY WAY NE | Add refrigeration piping for new split system | $1,000 |
| 6948604-RF | 2023-02-17 | Mechanical / HVAC | 622 RAINIER AVE S | Add refrig piping for 9 split systems. | $9,000 |
| 6944900-RF | 2023-01-30 | Mechanical / HVAC | Install refrigeration piping for 8 split systems. | $12,630 | |
| 6943899-RF | 2023-01-25 | Mechanical / HVAC | 7009 GREENWOOD AVE N | Add refrigeration piping for a Mitsubishi split system. | $2,200 |
| 6943098-RF | 2023-01-19 | Mechanical / HVAC | 7009 GREENWOOD AVE N | Add refrigeration piping for one Mitsubishi split system | $1,500 |
| 6941316-RF | 2023-01-09 | Mechanical / HVAC | 1419 24TH AVE | Refrigeration piping in 12 apartments on 7th & 8th floors. Piping in Elevator Machine room and 2 ERV's on roof. | $10,630 |
| 6787866-ME | 2020-09-04 | Mechanical / HVAC | 4106 STONE WAY N | Provide and install ten (10) split-system heat pumps, four (4) ERVs, one (1) RTUs, fourteen (14) fans, and associated duct work and dampers all per plans | $239,850 |
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 →