Master Mechanical LLC

Heating/Vent/Air-Conditioning and Refrig (HVAC/R) · Olympia, WA · License #MASTEML83373

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License facts

Master Mechanical LLC is one of 16 Heating/Vent/Air-Conditioning and Refrig (HVAC/R) contractors registered in Olympia, registered with WA L&I since 2017. Registered longer than roughly half of Heating/Vent/Air-Conditioning and Refrig (HVAC/R) contractors in Olympia. Current filings: $15,000 surety bond (continuous) and $1,000,000 liability coverage through Oct 10, 2026.

License type: CONSTRUCTION CONTRACTOR
Effective date: Oct 23, 2017
Expiration date: Nov 17, 2027
UBI: 604160950
Business type: Limited Liability Company
Phone: (360) 628-1569
Location: Olympia, WA 98513

Source: WA L&I contractor registration — verified Aug 13, 2026. Applies to every row above.

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Bond & insurance on file

Bond firm	Amount	Effective	Expiration
Western Surety Co	$15,000	Nov 17, 2025	Continuous — until canceled
Western Surety Co	$6,000	Oct 10, 2017	Nov 17, 2025

Insurance company	Amount	Agency	Effective	Expiration
LIO Insurance Company	$1,000,000	HEFFERNAN INS BROKERS-CA	Oct 10, 2025	Oct 10, 2026

What the bond and insurance requirements mean for homeowners

Washington requires specialty contractors to file a $15,000 surety bond with the Department of Labor & Industries as a condition of registration ($30,000 for general contractors). This contractor's current filing shows a $15,000 bond.

The bond is a limited fund a homeowner (or subcontractor or supplier) can make a claim against, through the courts, if a registered contractor fails to meet its obligations on a job. Contractors must also keep general liability insurance on file — at least $50,000 in property damage and $200,000 in public liability coverage, or a $250,000 combined single limit — which covers damage the contractor causes, not workmanship disputes. The rows above are the bond and insurance filings L&I publishes for this registration; whether a specific filing applies to a specific project depends on its dates and terms.

Principals

Name	Start date
Daleallen Vanslyke	Oct 23, 2017

What is a Heating/Vent/Air-Conditioning and Refrig (HVAC/R) contractor licensed to do in Washington?

An HVAC/R specialty contractor is registered with WA L&I to install and service heating, ventilation, air-conditioning, and refrigeration systems. Electrical and mechanical work within HVAC systems may also require trade licenses administered separately by the state. The registration requires a $15,000 surety bond and general liability insurance on file with WA L&I. Washington currently lists 16 Heating/Vent/Air-Conditioning and Refrig (HVAC/R) contractors registered in Olympia.