Is KEY MECHANICAL CO OF WA a real contractor?

KEY MECHANICAL CO OF WA appears in public building-permit records with 114 permits filed through 2026 in and around Bellevue, WA. Permits are filed with local government before work begins, so this is a matter of public record, not a self-reported listing.

How is KEY MECHANICAL CO OF WA's track record verified?

Every figure on this page comes from building permits pulled from municipal records and matched to KEY MECHANICAL CO OF WA by the contractor name on each permit. Permit records cannot be purchased or faked the way online reviews can, which makes them a stronger signal of real, completed work.

Is KEY MECHANICAL CO OF WA licensed and insured?

This profile is built from permit records, which confirm permitted work but do not include license status. KEY MECHANICAL CO OF WA has not claimed this profile to add license or insurance details. Confirm licensing directly with your state or local board before hiring.

How recent is KEY MECHANICAL CO OF WA's work?

The most recent permit on record for KEY MECHANICAL CO OF WA is dated 2026-03-17, with 114 permits on file in total.

Bellevue, WA

Permit-verified profile

KEY MECHANICAL CO OF WA

Are you the owner? Claim this profile free →

Permit records

114

Median project value

Not on record

Most recent job

2026-03-17

Is KEY MECHANICAL CO OF WA legit?

What the public permit record shows, not self-reported reviews.

Is KEY MECHANICAL CO OF WA a real contractor?: KEY MECHANICAL CO OF WA appears in public building-permit records with 114 permits filed through 2026 in and around Bellevue, WA. Permits are filed with local government before work begins, so this is a matter of public record, not a self-reported listing.
How is KEY MECHANICAL CO OF WA's track record verified?: Every figure on this page comes from building permits pulled from municipal records and matched to KEY MECHANICAL CO OF WA by the contractor name on each permit. Permit records cannot be purchased or faked the way online reviews can, which makes them a stronger signal of real, completed work.
Is KEY MECHANICAL CO OF WA licensed and insured?: This profile is built from permit records, which confirm permitted work but do not include license status. KEY MECHANICAL CO OF WA has not claimed this profile to add license or insurance details. Confirm licensing directly with your state or local board before hiring.
How recent is KEY MECHANICAL CO OF WA's work?: The most recent permit on record for KEY MECHANICAL CO OF WA is dated 2026-03-17, with 114 permits on file in total.

Trades on record

remodel HVAC

Recent permitted projects

A Nonresidential New Structure Low Voltage Only Project Involving (1 Telecommunications System)Bellevue · 2026
A Nonresidential Repair or Replacement Low Voltage Only Project Involving (11 T-Stat or HVAC Controls), 25109393BLBellevue · 2025
A Nonresidential Repair or Replacement Low Voltage Only Project Involving (36 Control Wire), 24 113260 BLBellevue · 2025
A Nonresidential Alteration to Existing Structure Low Voltage Only Project Involving (3 Control Wire, 1 T-Stat or HVAC Controls), 24 125482 BLBellevue · 2024
A Nonresidential Alteration to Existing Structure Low Voltage Only Project Involving (10 Control Wire), 24 122463 BLBellevue · 2024
A Nonresidential Repair or Replacement Low Voltage Only Project Involving (4 T-Stat or HVAC Controls), 24 119960 BKBellevue · 2024
A Nonresidential New Structure Low Voltage Only Project Involving (9 T-Stat or HVAC Controls), 24 105293 BLBellevue · 2024
ELECTRICALCity of Marysville · 2023

Permit activity in Bellevue

Busiest remodeling contractors · 2025 Busiest remodeling contractors · 2024

Area served

Bellevue, City of Marysville

Similar contractors in Bellevue

Use this data — free

Republishing these numbers? A link back is all we ask — one click copies a ready credit you can paste into any post.

Are you KEY MECHANICAL CO OF WA?

This profile was built from public permit records. Claim it free to add your photo, phone, and website, so the homeowners landing here can actually reach you.

Claim this profile

Show off your permit record — free

Add this Permit-Verified badge to KEY MECHANICAL CO OF WA's website. It links to this profile so homeowners can see the public permit record behind your work.

<a href="https://provenpros.co/contractor/wa/bellevue/key-mechanical-co-of-wa-c298b494" target="_blank" rel="noopener">
  <img src="https://provenpros.co/badge/wa/bellevue/key-mechanical-co-of-wa-c298b494.svg" alt="Permit-Verified by Proven Pros" height="28" />
</a>

Track record sourced from public building-permit records. Figures reflect permitted projects, not self-reported work. Listed on Proven Pros.