COMPANY RECORD · BELLEVUE, WA
Washington Energy Svcs Co LLC Yun-Kwan Winnie Ng — permit history in Bellevue, WA
Washington Energy Svcs Co LLC Yun-Kwan Winnie Ng appears on 1,700 Bellevue permit records from 2015 through 2026, most often mechanical / hvac (95.3% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 1620 | 95.3% |
| Plumbing | 76 | 4.5% |
| General construction | 3 | 0.18% |
| Electrical | 1 | 0.06% |
4 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2015 | 89 |
| 2016 | 260 |
| 2017 | 238 |
| 2018 | 167 |
| 2019 | 194 |
| 2020 | 141 |
| 2021 | 150 |
| 2022 | 135 |
| 2023 | 112 |
| 2024 | 80 |
| 2025 | 95 |
| 2026 | 39 |
Busiest year on record: 2016, with 260 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 |
|---|---|
| 5240 Highland Dr | 2026-09-08 |
| 928 165th Ave SE | 2026-09-03 |
| 13200 NE 54th Pl | 2026-09-02 |
| 510 177th Ln NE | 2026-08-20 |
| 2121 169th Ave NE | 2026-07-21 |
| 2615 169th Ave NE | 2026-07-17 |
| 15417 NE 3rd Pl | 2026-07-14 |
| 13939 NE 15th Ct | 2026-07-06 |
| 1430 154th Ave NE - Unit B-4505 | 2026-07-02 |
| 15147 SE 46th Way | 2026-07-01 |
| 5605 173rd Ave SE | 2026-06-08 |
| 625 109th Ave SE | 2026-06-04 |
| 9859 NE 22nd St | 2026-05-26 |
| 6726 123rd Pl SE | 2026-05-24 |
1,461 distinct addresses on record; the 14 most recent are shown. 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 |
|---|---|---|
| Fast Water Heater Company Jeffery David Jordan | 112 | 2015–2026 |
| Bob's Heating & Air Cndtng LLC Vern A Olson | 76 | 2015–2026 |
| Brennan Heating & A/C LLC Darrin Paul Erdahl | 64 | 2015–2026 |
| Brennan Heating & A/C LLC | 44 | 2015–2026 |
| All Climate Heating & A/C Russell Brown | 35 | 2015–2026 |
| Linder Electric Inc | 34 | 2015–2026 |
| Provident Electric Inc | 30 | 2015–2026 |
| Northwest Electric & Solar LLC | 28 | 2015–2026 |
Companies that also appear in Bellevue permit records at addresses where Washington Energy Svcs Co LLC Yun-Kwan Winnie Ng 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
1,700 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 26 121109 BK | 2026-09-08 | Mechanical / HVAC | 5240 Highland Dr | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Water Heater < 60 gallons, 1 Furnace <= 100,000 BTU, 1 Air Conditioner) | |
| 26 120929 BK | 2026-09-03 | Mechanical / HVAC | 928 165th Ave SE | A Single Family Residential Repair or Replacement None Project Involving (1 Water Heater < 60 gallons) | |
| 26 120866 BK | 2026-09-02 | Mechanical / HVAC | 13200 NE 54th Pl | A Single Family Residential Repair or Replacement None Project Involving (1 Furnace <= 100,000 BTU) | |
| 26 118792 BK | 2026-08-20 | Mechanical / HVAC | 510 177th Ln NE | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Generator, 1 Gas Piping Only (No fixtures)) | |
| 26 117164 BK | 2026-07-21 | Mechanical / HVAC | 2121 169th Ave NE | A Single Family Residential Repair or Replacement None Project Involving (1 Furnace <= 100,000 BTU, 1 Air Conditioner) | |
| 26 116949 BK | 2026-07-17 | Mechanical / HVAC | 2615 169th Ave NE | A Single Family Residential Repair or Replacement None Project Involving (1 Furnace <= 100,000 BTU) | |
| 26 116747 BK | 2026-07-14 | Mechanical / HVAC | 15417 NE 3rd Pl | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Ductless Heat Pump) | |
| 26 115223 BK | 2026-07-06 | Mechanical / HVAC | 13939 NE 15th Ct | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Heat Pump ) | |
| 26 115129 BK | 2026-07-02 | Mechanical / HVAC | 1430 154th Ave NE - Unit B-4505 | A Single Family Condo Unit Repair or Replacement None Project Involving (1 Furnace <= 100,000 BTU) | |
| 26 115033 BK | 2026-07-01 | Mechanical / HVAC | 15147 SE 46th Way | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Ductless Heat Pump) | |
| 26 113831 BK | 2026-06-08 | Mechanical / HVAC | 5605 173rd Ave SE | A Single Family Residential Repair or Replacement None Project Involving (1 Water Heater => 60 gallons) | |
| 26 112518 BK | 2026-06-04 | Mechanical / HVAC | 625 109th Ave SE | A Single Family Residential Repair or Replacement None Project Involving (1 Furnace <= 100,000 BTU, 1 Heat Pump ) | |
| 26 112011 BK | 2026-05-26 | Mechanical / HVAC | 9859 NE 22nd St | A Single Family Residential Repair or Replacement None Project Involving (1 Furnace <= 100,000 BTU, 1 Heat Pump ) | |
| 26 111938 BK | 2026-05-25 | Mechanical / HVAC | 5605 173rd Ave SE | A Single Family Residential Repair or Replacement None Project Involving (2 Furnace <= 100,000 BTU, 2 Air Conditioner) | |
| 26 111931 BK | 2026-05-24 | Mechanical / HVAC | 6726 123rd Pl SE | A Single Family Residential Repair or Replacement None Project Involving (1 Water Heater < 60 gallons) | |
| 26 111755 BK | 2026-05-20 | Mechanical / HVAC | 10413 SE 25th St | A Single Family Residential Repair or Replacement None Project Involving (1 Water Heater < 60 gallons, 1 Furnace <= 100,000 BTU, 1 Heat Pump ) | |
| 26 111593 BK | 2026-05-16 | Mechanical / HVAC | 10398 NE 17th St - Unit 304 | A Single Family Condo Unit Repair or Replacement None Project Involving (1 Water Heater < 60 gallons) | |
| 26 111592 BK | 2026-05-16 | Mechanical / HVAC | 1023 Sunset Way | A Single Family Residential Repair or Replacement None Project Involving (1 Furnace <= 100,000 BTU) | |
| 26 111590 BK | 2026-05-16 | Mechanical / HVAC | 1722 168th Ave NE | A Single Family Residential Repair or Replacement None Project Involving (1 Ductless Heat Pump) | |
| 26 111493 BK | 2026-05-14 | Mechanical / HVAC | 16850 NE 11th Pl | A Single Family Residential Repair or Replacement None Project Involving (1 Water Heater < 60 gallons) | |
| 26 111411 BK | 2026-05-13 | Mechanical / HVAC | 15818 SE 45th Pl | A Single Family Residential Repair or Replacement None Project Involving (1 Water Heater - Tankless) | |
| 26 110285 BK | 2026-05-02 | Mechanical / HVAC | 12600 SE 61st St | A Single Family Residential Repair or Replacement None Project Involving (1 Water Heater < 60 gallons) | |
| 26 110169 BK | 2026-04-29 | Mechanical / HVAC | 6631 127th Pl SE | A Single Family Residential New Structure None Project Involving (1 Water Heater - Tankless) | |
| 26 110032 BK | 2026-04-28 | Mechanical / HVAC | 5524 179th Ave SE | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Heat Pump ) | |
| 26 109931 BK | 2026-04-24 | Mechanical / HVAC | 13818 NE 48th Pl | A Single Family Residential Repair or Replacement None Project Involving (1 Water Heater < 60 gallons) | |
| 26 108495 BK | 2026-04-11 | Mechanical / HVAC | 4628 141st Ct SE | A Single Family Residential Repair or Replacement None Project Involving (1 Water Heater => 60 gallons) | |
| 26 108399 BK | 2026-04-09 | Mechanical / HVAC | 12501 SE 67th St | A Single Family Residential Repair or Replacement None Project Involving (1 Gas Piping Only (No fixtures)) | |
| 26 108187 BK | 2026-04-05 | Mechanical / HVAC | 12501 SE 67th St | A Single Family Residential Repair or Replacement None Project Involving (1 Furnace <= 100,000 BTU, 1 Heat Pump ) | |
| 26 105923 BK | 2026-03-11 | Mechanical / HVAC | 705 164th Ave SE | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Water Heater - Tankless) | |
| 26 104609 BK | 2026-03-02 | Mechanical / HVAC | 16204 Main St | A Single Family Residential Repair or Replacement None Project Involving (1 Furnace <= 100,000 BTU) | |
| 26 103815 BK | 2026-02-13 | Mechanical / HVAC | 6310 121st Ave SE | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Generator, 1 Gas Piping Only (No fixtures)) | |
| 26 102003 BK | 2026-02-06 | Mechanical / HVAC | 4828 157th Ave SE | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Furnace <= 100,000 BTU, 1 Air Conditioner) | |
| 26 101706 BK | 2026-02-02 | Mechanical / HVAC | 473 155th Ave SE | A Single Family Residential Repair or Replacement None Project Involving (1 Furnace <= 100,000 BTU) | |
| 26 101020 BK | 2026-01-19 | Mechanical / HVAC | 4433 144th Ave SE | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Generator, 1 Gas Piping Only (No fixtures)) | |
| 26 100834 BK | 2026-01-14 | Mechanical / HVAC | 2742 124th Ave SE | A Single Family Residential Repair or Replacement None Project Involving (1 Water Heater - Tankless) | |
| 26 100759 BK | 2026-01-13 | Mechanical / HVAC | 909 170th Pl SE | A Single Family Residential Repair or Replacement None Project Involving (2 Water Heater < 60 gallons) | |
| 26 100220 BK | 2026-01-07 | Mechanical / HVAC | 16632 SE 9th St | A Single Family Residential Repair or Replacement None Project Involving (1 Water Heater < 60 gallons) | |
| 26 100132 BK | 2026-01-06 | Mechanical / HVAC | 6658 156th Ave SE | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Generator, 1 Gas Piping Only (No fixtures)) | |
| 26 100118 BK | 2026-01-06 | Mechanical / HVAC | 4607 159th Ave SE | A Single Family Residential Repair or Replacement None Project Involving (1 Furnace <= 100,000 BTU) | |
| 25 130274 BK | 2025-12-30 | Mechanical / HVAC | 24 Lopez Ky | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Generator, 1 Gas Piping Only (No fixtures)) | |
| 25 130207 BK | 2025-12-29 | Mechanical / HVAC | 620 164th Pl NE | A Single Family Residential Repair or Replacement None Project Involving (1 Water Heater < 60 gallons) | |
| 25 129795 BK | 2025-12-17 | Mechanical / HVAC | 4750 140th Ave NE | A Single Family Residential Repair or Replacement None Project Involving (1 Water Heater - Tankless) | |
| 25 129632 BK | 2025-12-15 | Mechanical / HVAC | 15357 SE 49th Pl | A Single Family Residential Repair or Replacement None Project Involving (1 Water Heater < 60 gallons) | |
| 25 129522 BK | 2025-12-11 | Mechanical / HVAC | 4058 W Lake Sammamish Pkwy SE - Lot 1 | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Generator, 1 Gas Piping Only (No fixtures)) | |
| 25 129234 BK | 2025-12-05 | Mechanical / HVAC | 268 174th Pl NE | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Generator, 1 Gas Piping Only (No fixtures)) | |
| 25 129208 BK | 2025-12-05 | Mechanical / HVAC | 315 131st Ave NE | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Fireplace Insert - Gas, 1 Gas Piping Only (No fixtures)) | |
| 25 127757 BK | 2025-12-02 | Mechanical / HVAC | 12304 SE 23rd Pl | A Single Family Residential Repair or Replacement None Project Involving (1 Furnace <= 100,000 BTU) | |
| 25 127748 BK | 2025-12-02 | Mechanical / HVAC | 14310 SE 63rd St | A Single Family Residential Alteration to Existing Structure None Project Involving (1 Generator, 1 Gas Piping Only (No fixtures)) | |
| 25 127443 BK | 2025-11-24 | Mechanical / HVAC | 17414 NE 14th St | A Single Family Residential Repair or Replacement None Project Involving (1 Furnace <= 100,000 BTU) | |
| 25 127444 BK | 2025-11-24 | Mechanical / HVAC | 4855 Lakehurst Ln | A Single Family Residential Repair or Replacement None Project Involving (1 Furnace <= 100,000 BTU) |
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.
Search these records
The 1,700 permits above are a static record through 2026. Select a year above to open that year’s records, or search Washington Energy Svcs Co LLC Yun-Kwan Winnie Ng in Bellevue, WA by address, trade or date range.
Source and limits
Public Bellevue 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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