Washington L&I Data · Updated Oct 30, 2026Free and Independent · Not a Government Site

General contractor · Sammamish, WA

Diamond Development LLC

Active  Washington registration DIAMODL754NF · per L&I records

LicensedBondedInsured

Is Diamond Development LLC Licensed?

Washington L&I records list Diamond Development LLC with registration number DIAMODL754NF and status ACTIVE, valid until Aug 15, 2027. The business address on file is in Sammamish, WA 98075.

License Details

License #
DIAMODL754NF
Status
ACTIVE
License type
Construction Contractor
Specialty
General
First effective
Aug 15, 2025
Expires
Aug 15, 2027
Business type
Limited Liability Company
UBI (state business ID)
604843089
City
Sammamish, WA 98075

Bond and Insurance on File

Surety bond
$30,000 · Nationwide Mutual Ins Co
Effective Apr 28, 2025 · Until Canceled
Liability insurance
$300,000 · BERKSHIRE HATHAWAY DIRECT INSU
Expires Apr 28, 2027
Accuracy notice. Data from Washington L&I open data (public domain, PDDL), not affiliated with any government. Records change; confirm on the official L&I Verify tool before hiring. Search other businesses with the Washington contractor license lookup.

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