Contractor Profile

UNITED SYSTEMS MECHANICAL LLC

Name: UNITED SYSTEMS MECHANICAL LLC permit history
Creator: PermitStack
Keywords: building permits, UNITED SYSTEMS MECHANICAL LLC, contractor permit history, permit API

State: WA City: Seattle

588

Total Permits

Cities Active

2004

First Permit

2026

Most Recent

Work breakdown

HVAC 233 (39.6%)

MECHANICAL 139 (23.6%)

OTHER 103 (17.5%)

ELECTRICAL 84 (14.3%)

ROOFING 18 (3.1%)

INTERIOR_REMODEL 5 (0.9%)

Top cities

Seattle497

Everett31

Bellevue23

Recent permits

Address	City	Category	Date
1201 Western AVE		HVAC	May 29, 2026
5602 15TH AVE NW	Seattle	HVAC	Apr 02, 2026
5602 15TH AVE NW	Seattle	HVAC	Apr 02, 2026
5940 1ST AVE S	Seattle	HVAC	Mar 20, 2026
5940 1ST AVE S	Seattle	HVAC	Mar 19, 2026
5940 1ST AVE S	Seattle	MECHANICAL	Mar 19, 2026
4001 S WILLOW ST	Seattle	OTHER	Feb 20, 2026
1520 NW LEARY WAY	Seattle	ROOFING	Jan 23, 2026
1105 VALLEY ST	Seattle	ELECTRICAL	Jan 21, 2026
14115 AURORA AVE N	Seattle	ELECTRICAL	Dec 24, 2025

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Data sourced from official government permit records via PermitStack.