COMPANY RECORD · SEATTLE, WA
Cascade Energy Services LLC — permit history in Seattle, WA
Cascade Energy Services LLC appears on 315 Seattle permit records from 2016 through 2026, all of them mechanical / hvac.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 315 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2016 | 20 |
| 2017 | 55 |
| 2018 | 64 |
| 2019 | 41 |
| 2020 | 25 |
| 2021 | 27 |
| 2022 | 37 |
| 2023 | 4 |
| 2024 | 22 |
| 2025 | 10 |
| 2026 | 10 |
Busiest year on record: 2018, with 64 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 |
|---|---|
| 13320 23RD PL NE | 2026-05-16 |
| 9731 8TH AVE NE | 2026-05-08 |
| 1318 E BOSTON ST | 2026-02-26 |
| 12027 2ND AVE NW | 2026-02-11 |
| 10616 ALTON PL NE | 2026-01-29 |
| 3006 34TH AVE W | 2025-12-22 |
| 11012 2ND AVE NW | 2025-10-03 |
| 3828 WOODLAWN AVE N | 2025-09-03 |
| 6716 17TH AVE NW | 2025-07-23 |
| 3243 NW 64TH ST | 2025-02-28 |
| 6501 47TH AVE NE | 2024-11-21 |
| 3657 SW OTHELLO ST | 2024-10-16 |
| 6020 26TH AVE NE | 2024-10-15 |
| 7504 31ST AVE NE | 2024-10-02 |
174 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $0 to $1,300,000, median $13,957. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
315 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 7143434-FR | 2026-05-16 | Mechanical / HVAC | 13320 23RD PL NE | Install Heat Pump | $15,048 |
| 7143435-RF | 2026-05-16 | Mechanical / HVAC | 13320 23RD PL NE | Install Heat Pump | $15,048 |
| 7141978-FR | 2026-05-08 | Mechanical / HVAC | 9731 8TH AVE NE | Install Trane Gas Furnace with Trane Side Discharge Heat Pump, plus Mitsubishi 1:1 Heat Pump. | $19,491 |
| 7141981-RF | 2026-05-08 | Mechanical / HVAC | 9731 8TH AVE NE | Install Trane Gas Furnace with Trane Side Discharge Heat Pump, plus Mitsubishi 1:1 Heat Pump. | $19,491 |
| 7130677-RF | 2026-02-26 | Mechanical / HVAC | 1318 E BOSTON ST | Install 2 Mitsubishi ductless heat pumps | $100 |
| 7130671-FR | 2026-02-26 | Mechanical / HVAC | 1318 E BOSTON ST | Install 2 Mitsubishi Ductless Heat Pumps | $25,000 |
| 7128888-FR | 2026-02-11 | Mechanical / HVAC | 12027 2ND AVE NW | Installing Ducted Heat Pump | $25,000 |
| 7128891-RF | 2026-02-11 | Mechanical / HVAC | 12027 2ND AVE NW | Install ducted heat pump | $100 |
| 7127064-RF | 2026-01-29 | Mechanical / HVAC | 10616 ALTON PL NE | Install Mitsubishi 3 head ductless heat pump | $25,000 |
| 7127057-FR | 2026-01-29 | Mechanical / HVAC | 10616 ALTON PL NE | Install Mitsubishi 3 head ductless heat pump | $25,000 |
| 7122276-FR | 2025-12-22 | Mechanical / HVAC | 3006 34TH AVE W | Oil to Ducted Heat Pump Conversion | $25,000 |
| 7120577-RF | 2025-12-10 | Mechanical / HVAC | 3006 34TH AVE W | Oil to Ducted Heat Pump Conversion | $25,000 |
| 7110007-FR | 2025-10-03 | Mechanical / HVAC | 11012 2ND AVE NW | Installation of 2 ductless heat pump with a total of 4 individual zones. | $34,000 |
| 7109360-RF | 2025-09-30 | Mechanical / HVAC | 11012 2ND AVE NW | Installation of 2 ductless heat pumps with a total of 4 individual zones. | $34,000 |
| 7104782-FR | 2025-09-03 | Mechanical / HVAC | 3828 WOODLAWN AVE N | Installation of Heat Pump w/ 4-Individual Zones | $22,000 |
| 7104783-RF | 2025-09-03 | Mechanical / HVAC | 3828 WOODLAWN AVE N | Installation of Heat Pump w/ 4-Individual Zones | $22,000 |
| 7097797-RF | 2025-07-23 | Mechanical / HVAC | 6716 17TH AVE NW | Installation of 2-ton heat pump | $17,000 |
| 7097796-FR | 2025-07-23 | Mechanical / HVAC | 6716 17TH AVE NW | Installation of a 2-ton heat pump | $17,000 |
| 7072517-RF | 2025-02-28 | Mechanical / HVAC | 3243 NW 64TH ST | Installation of (2) 24k BTU Ductless Heat Pump w/ 3 Individual Zones, (1) HRV, Range Ventilation, & Dryer Ventilation HRV listed under 6964672-CN | $62,000 |
| 7072516-FR | 2025-02-28 | Mechanical / HVAC | 3243 NW 64TH ST | Installation of (2) 24k BTU Ductless Heat Pump w/ 3 Individual Zones, (1) HRV, Range Ventilation, & Dryer Ventilation HRV listed under 6964672-CN | $62,000 |
| 7057564-RF | 2024-11-21 | Mechanical / HVAC | 6501 47TH AVE NE | 3-Zone, 2-ton 24k BTU Heat Pump w/ ventilation for 3 bath fan vents, 1 dryer vent, & range vent for DADU | $15,000 |
| 7057563-FR | 2024-11-21 | Mechanical / HVAC | 6501 47TH AVE NE | 3-Zone, 2-ton 24k BTU Heat Pump w/ ventilation for 3 bath fan vents, 1 dryer vent, & range vent | $15,000 |
| 7051225-FR | 2024-10-16 | Mechanical / HVAC | 3657 SW OTHELLO ST | Installation 3-ton Heat Pump w/ 3 Individual Zones | $26,000 |
| 7051226-RF | 2024-10-16 | Mechanical / HVAC | 3657 SW OTHELLO ST | Installation 3-ton Heat Pump w/ 3 Individual Zones | $26,000 |
| 7051026-FR | 2024-10-15 | Mechanical / HVAC | 6020 26TH AVE NE | Installation of Gas Furnace w/ 3-ton Heat Pump | $23,000 |
| 7051027-RF | 2024-10-15 | Mechanical / HVAC | 6020 26TH AVE NE | Installation of Gas Furnace w/ 3-ton Heat Pump | $23,000 |
| 7049090-FR | 2024-10-02 | Mechanical / HVAC | 7504 31ST AVE NE | 3.5-ton Ductless Heat Pump w/ 5 Individual Zones 2-ton Ductless Heat Pump w/ 3 Individual Zones 2-ton Ductless Heat Pump w/ 3 Individual Zones | $25,000 |
| 7049091-RF | 2024-10-02 | Mechanical / HVAC | 7504 31ST AVE NE | 3.5-ton Ductless Heat Pump w/ 5 Individual Zones 2-ton Ductless Heat Pump w/ 3 Individual Zones 2-ton Ductless Heat Pump w/ 3 Individual Zones | $25,000 |
| 7048159-FR | 2024-09-26 | Mechanical / HVAC | 6025 29TH AVE NE | 3-ton Ductless Heat Pump w/ 4 Individual Zones 2.25-ton Ductless Heat Pump w/ 3 Individual Zones | $35,000 |
| 7048042-RF | 2024-09-26 | Mechanical / HVAC | 6025 29TH AVE NE | 3-ton Ductless Heat Pump w/ 4 Individual Zones 2.5-ton Ductless Heat Pump w/ 3 Individual Zones | $35,000 |
| 7048043-FR | 2024-09-26 | Mechanical / HVAC | 6029 29TH AVE NE | 3-Ton Ductless Heat Pump w/ 4 Individual Zones 2.5-ton Ductless Heat Pump w/ 3 Individual Zones | $35,000 |
| 7040428-RF | 2024-08-12 | Mechanical / HVAC | 7948 10TH AVE SW | Installation of 1 Ton Single Zone Ductless Heat Pump | $7,724 |
| 7040426-FR | 2024-08-12 | Mechanical / HVAC | 7948 10th AVE SW | Installation Single Zone Mitsubishi Ductless Heat Pump | $7,724 |
| 7033020-FR | 2024-06-28 | Mechanical / HVAC | 100 ward ST | 1.5 ton and 1-ton ductless heat pumps both single zone | $22,000 |
| 7033039-RF | 2024-06-28 | Mechanical / HVAC | 1606 3RD AVE W | 2-ton ductless heat pump with 3 individual zones | $12,000 |
| 7033035-FR | 2024-06-28 | Mechanical / HVAC | 1606 3rd AVE W | 2-ton ductless heat pump with 3 individual zones | $12,000 |
| 7033033-RF | 2024-06-28 | Mechanical / HVAC | 100 WARD ST | 1.5 ton and 1-ton ductless systems both single zone | $22,000 |
| 7033012-RF | 2024-06-28 | Mechanical / HVAC | 6934 37th AVE SW | 1.5 ton ductless heat pump system | $10,000 |
| 7032987-FR | 2024-06-28 | Mechanical / HVAC | 6932 37th AVE SW | 2.5 ton ductless heat pump system with 3 individual zones | $12,000 |
| 7032996-FR | 2024-06-28 | Mechanical / HVAC | 6934 37th AVE SW | 1.5 ton ductless system with 3 individual zones | $10,000 |
| 7032991-RF | 2024-06-28 | Mechanical / HVAC | 6932 37TH AVE SW | 2.5 ton ductless heat pump system with 3 individual zones | $12,000 |
| 7005422-RF | 2024-01-19 | Mechanical / HVAC | 1143 B N 93RD ST | Install of a single zone, ductless heat pump. | $7,500 |
| 6986787-FR | 2023-09-20 | Mechanical / HVAC | 2545 MAYFAIR AVE N | furnace replacement | $6,220 |
| 6983663-RF | 2023-08-30 | Mechanical / HVAC | 5606 23RD AVE SW | rough in only project | $8,250 |
| 6983662-RF | 2023-08-30 | Mechanical / HVAC | 5604 23RD AVE SW | rough in only for 3 head ductless heat pump | $8,250 |
| 6972637-RF | 2023-06-28 | Mechanical / HVAC | 10017 9TH AVE NW | Install Mini Split on Backyard DADU | $156,000 |
| 6940545-RF | 2022-12-30 | Mechanical / HVAC | 8054 C BROOKLYN AVE NE | Install 1new ductless heat pump system. | $10,603 |
| 6940549-RF | 2022-12-30 | Mechanical / HVAC | 8056 BROOKLYN AVE NE | Install 2 new ductless heat pump systems. | $22,688 |
| 6940541-RF | 2022-12-30 | Mechanical / HVAC | 8054 BROOKLYN AVE NE | Install 2 new ductless heat pump systems. | $28,065 |
| 6940537-FR | 2022-12-30 | Mechanical / HVAC | 1307 NE 82ND ST | Install 1 new ductless heat pump systems and range, fan and dryer exhaust venting. | $12,496 |
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 →