COMPANY RECORD · SEATTLE, WA
G B Systems Inc — permit history in Seattle, WA
G B Systems Inc appears on 232 Seattle permit records from 2015 through 2026, most often mechanical / hvac (58.6% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 136 | 58.6% |
| Electrical | 96 | 41.4% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2015 | 26 |
| 2016 | 42 |
| 2017 | 48 |
| 2018 | 29 |
| 2019 | 2 |
| 2020 | 9 |
| 2021 | 12 |
| 2022 | 15 |
| 2023 | 23 |
| 2024 | 6 |
| 2025 | 14 |
| 2026 | 6 |
Busiest year on record: 2017, with 48 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 |
|---|---|
| 401 23RD AVE S | 2026-04-29 |
| 910 MARION ST | 2026-04-23 |
| 1911 N 45TH ST | 2026-04-20 |
| 1900 1ST AVE | 2026-04-03 |
| 104 12TH AVE | 2025-09-27 |
| 404 16TH AVE S | 2025-08-14 |
| 415 1ST AVE N | 2025-08-08 |
| 2411 ALASKAN WAY | 2025-07-08 |
| 713 S FIDALGO ST | 2025-04-14 |
| 901 S MAIN ST | 2025-03-07 |
| 1605 S JACKSON ST | 2025-03-06 |
| 86 PINE ST | 2025-01-17 |
| 427 NE 72ND ST | 2024-11-21 |
| 1015 2ND AVE | 2024-10-01 |
112 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $75 to $3,900,000, median $13,000. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
232 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 7127341-ME | 2026-04-29 | Mechanical / HVAC | 401 23RD AVE S | Chase Retrofit: Remove and replace (1) VRF condenser and (6) VRF air handlers. Like for like replacement to be done under 2021 SMC 113.5 emergency repairs. "installation, alterat | $113,742 |
| 7139828-EL | 2026-04-23 | Electrical | 910 MARION ST | Chancery Place: Add 3 thermostats for 3 new split systems heat pumps. | |
| 7129696-ME | 2026-04-20 | Mechanical / HVAC | 1911 N 45TH ST | Provide & install (2) ductless split-system heat pumps. Demo (1) existing (non-functional) heat pump, per plan. | $20,000 |
| 7136822-EL | 2026-04-03 | Electrical | 1900 1ST AVE | Thompson Hotel: Reconnect 32 thermostats on floors 11 and 12. | |
| 7132209-EL | 2026-03-05 | Electrical | 401 23RD AVE S | Chase Retrofit Add 7 new thermostats to replacement VRF fan coils. | |
| 7131614-EL | 2026-03-02 | Electrical | 1911 N 45TH ST | Install (2) low-voltage thermostats for new split-system heat pumps | |
| 7099711-ME | 2025-10-22 | Mechanical / HVAC | 910 MARION ST | Chancery Place: Add 3 split system heat pumps to offices and elevator machine room. Add 1 ERV to offices. Add motorized damper and smoke detectors to stair and elevator pressurizat | $86,450 |
| 7097402-ME | 2025-09-27 | Mechanical / HVAC | 104 12TH AVE | Install a 6 ton split system heat pump and associated duct, per plan. | $33,355 |
| 7101643-EL | 2025-08-14 | Electrical | 404 16TH AVE S | 1605 S Jackson: Install (36) wired thermostats for residential split systems | $7,200 |
| 7100725-EL | 2025-08-08 | Electrical | 415 1ST AVE N | Gantry Queen Anne: Install 7 thermostats for split systems | $1,750 |
| 7076381-ME | 2025-08-08 | Mechanical / HVAC | 415 1ST AVE N | Demo existing VAV system and radiators; install (4) split systems and install (2) ERV's; install kitchen MUA unit and install associated duct distribution, all per plan. Refrigerat | $148,722 |
| 7099529-EL | 2025-07-31 | Electrical | 104 12TH AVE | Suite 111 Upgrade: Add 1 thermostat coiled up at air handler for future TI. Low voltage wiring from economizer dampers to relief damper. | $450 |
| 7077330-ME | 2025-07-08 | Mechanical / HVAC | 2411 ALASKAN WAY | Edgewater Inn - Restaurant Remove 1 existing electric/hotwater luxaire 20 ton air handler in first floor mechanical room. Remove 1 existing luxaire condenser from 3rd floor roof | $119,682 |
| 7095177-EL | 2025-07-08 | Electrical | 2411 ALASKAN WAY | Edgewater Inn - Restaurant Install 6 thermostats for 5 VRF fan coils and 1 split system. | $1,050 |
| 7080510-EL | 2025-04-14 | Electrical | 713 S FIDALGO ST | NWCP Bldg C, VSU Add 1 thermostat for new rooftop Hvac unit | $200 |
| 7069557-ME | 2025-04-14 | Mechanical / HVAC | 713 S FIDALGO ST | Add new RTU heat pump and ERV. Add duct distribution, all per plans. | $20,641 |
| 7074173-EL | 2025-03-07 | Electrical | 901 S MAIN ST | Provide & install (138) low-voltage thermostats/controllers for HVAC equipment [ACC - 3/10/2025 - Changed address to match main electrical permit.]; 4/1/25 RN added fees for actual | $10,350 |
| 7074013-EL | 2025-03-06 | Electrical | 404 16TH AVE S | 1605 S Jackson Add (3) thermostats and (4) CO, NO2 sensors.; [3/10/26 RN Renewal/Reinstatement fee added] | $1,780 |
| 6982795-ME | 2025-03-06 | Mechanical / HVAC | 1605 S JACKSON ST | Add split systems to common areas and apts; ERV's; pressurization fans; exhaust fans; associated duct work; venting to kitchen hoods, per plans refrigeration permit 7074012-RF | $445,321 |
| 7048394-ME | 2025-01-17 | Mechanical / HVAC | 86 PINE ST | Install new Mitsubishi VRF System, per plan. | $811,400 |
| 7057321-BP | 2024-11-21 | Mechanical / HVAC | 427 NE 72ND ST | Greenlake Village Boiler replacement | $74,567 |
| 7054022-EL | 2024-10-30 | Electrical | 86 PINE ST | Inn at the Market Install (76) thermostats for (6) HVAC VRF systems | $7,600 |
| 7041697-ME | 2024-10-01 | Mechanical / HVAC | 1015 2ND AVE | Add (17) hydronic heat pumps and associated piping and duct distribution; add (2) terminal units for outside air off of existing central HRV; add (1) new ERV for multipurpose room | $110,000 |
| 6994723-ME | 2024-05-30 | Mechanical / HVAC | 1627 14TH AVE | Add PTAC's and split systems to 4 story apartment (Affordable Housing Habitat for Humanity) . Add ERV's and venting. Add exhaust fans and a stair pressurization fan. Add associated | $84,136 |
| 7024164-EL | 2024-05-08 | Electrical | 1401 NW 46TH ST | Food for Dogs TI, Suite D Install 1 Thermostat and 1 ERV controller | $250 |
| 7017080-EL | 2024-03-28 | Electrical | 1627 14TH AVE | Olympic Ridge - Install 17 thermostats for HVAC units. | $4,000 |
| 7002391-EL | 2023-12-27 | Electrical | 2692 NE 49TH ST | TruFusion Add 2 thermostats, Add 2 static pressure sensors. | $450 |
| 6984807-ME | 2023-12-27 | Mechanical / HVAC | 2692 NE 49TH ST | Upgrade heating systems in existing exercise rooms, Suite 107 and Soul T-122 to hot yoga. No change in occupancy, no work in other areas. Specifically add 2 fan coils, boiler and p | $43,650 |
| 6995049-EL | 2023-11-06 | Electrical | 1631 15TH AVE W | Dr Puffin Pediatrics: Relocate existing thermostat | $150 |
| 6993104-ME | 2023-11-03 | Mechanical / HVAC | 1631 15TH AVE W | For Dr. Puffin Pediatrics: Add two new diffusers and duct and air balance per plan. All equipment is existing. Subject to field inspection, STFI. | $1,942 |
| 6986448-EL | 2023-09-18 | Electrical | 3513 STONE WAY N | Install (4) low-voltage thermostats & low-voltage wire for (2) motorized dampers | $350 |
| 6984551-ME | 2023-09-18 | Mechanical / HVAC | 3513 STONE WAY N | Install (2) split-system heat pumps, (1) ERV, (1) duct heater, and associated duct and dampers all, per plans. | $30,800 |
| 6979276-EL | 2023-08-03 | Electrical | 6901 M L KING JR WAY S | Add a thermostat, economizer wiring for new split system heat pump for Papa John's Rainier Valley. | $200 |
| 6959480-ME | 2023-05-24 | Mechanical / HVAC | 1921 1ST AVE | Add new 2.5 ton VRF fan coil. Demo existing 4 ton VRF fan coil. Add duct and GRD's to existing ERV, per plans. | $14,556 |
| 6961515-ME | 2023-05-05 | Mechanical / HVAC | 4106 Stone WAY N | Provide and install duct distribution for existing heat pump per plans as part of initial tenant improvement, subject to field inspection, STFI. (Note: Bathroom exhaust fan separat | $13,300 |
| 6949348-ME | 2023-05-05 | Mechanical / HVAC | 2150 N 122ND ST | Add (2) split systems to medical clinic space being remodeled. Add (2) exhaust fans and (1) ERV and duct distribution, all per plan. | $49,776 |
| 6963157-EL | 2023-05-05 | Electrical | 2150 N 122ND ST | Add 6 thermostats for 2 new split systems | $450 |
| 6961521-EL | 2023-04-27 | Electrical | 4106 STONE WAY N | Install (1) low-voltage thermostat & low-voltage wire for (1) motorized damper | $75 |
| 6958287-EL | 2023-04-11 | Electrical | 1921 1ST AVE | Re-install VRF Thermostat and extend VRF communication wiring. | $200 |
| 6906699-ME | 2023-03-29 | Mechanical / HVAC | 4106 STONE WAY N | Install HRV, MAU and associated duct to existing louvers. Install Type I hood, fan and associated duct to roof; all per plan. | $57,438 |
| 6956130-EL | 2023-03-29 | Electrical | 4106 STONE WAY N | Install thermostat for existing split system. Install wiring to interlock low voltage damper motors and ERV. | $240 |
| 6955258-EL | 2023-03-24 | Electrical | 2116 E DENNY WAY | Add thermostat to new split system, econmizer wiring. | $200 |
| 6955253-EL | 2023-03-24 | Electrical | 12500 LAKE CITY WAY NE | Add new thermostat for split system, economizer controls wiring. | $240 |
| 6949981-EL | 2023-02-24 | Electrical | 2301 E UNION ST | Install (2) thermostats for VRF fan coils and (1) controller for ERV. | $300 |
| 6948603-EL | 2023-02-16 | Electrical | 622 RAINIER AVE S | Add 3 thermostats for split systems. Add 3 controllers for ERV's. Add 7 pairs of CO, NO2 sensors in garage. | $1,300 |
| 6886565-ME | 2023-02-16 | Mechanical / HVAC | 622 RAINIER AVE S | Provide and install (9) split system heat pumps, (4) packaged rooftop units, (3) ERV's, (7) pressurization fans and (15) exhaust fans, all with associated duct work and dampers, pe | $321,300 |
| 6946136-EL | 2023-02-02 | Electrical | 104 12TH AVE | Install thermostats for 2 split systems. Install controllers for 4 ERV's. Install 7 CO, NO2 pairs of sensors. | $5,200 |
| 6943898-EL | 2023-01-20 | Electrical | 7009 GREENWOOD AVE N | Add one thermostat for a split system, add one controller for an ERV. | $240 |
| 6943099-EL | 2023-01-17 | Electrical | 7009 GREENWOOD AVE N | Add one thermostat for split system and one controller for ERV | $200 |
| 6923838-ME | 2022-11-28 | Mechanical / HVAC | 2301 E UNION ST | Relocate two existing indoor VRF van coils. Provide and install one (1) ERV and duct distribution, all per plans. | $22,225 |
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 →