Wolbert's INC

Irrigation/Sprinkling Systems · Olympia, WA · License #WOLBEI*763JK

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License facts

Wolbert's INC is one of 8 Irrigation/Sprinkling Systems contractors registered in Olympia, registered with WA L&I since 2024. Current filings: $1,000,000 liability coverage through May 14, 2027. Principals on record since 2024.

License type: CONSTRUCTION CONTRACTOR
Effective date: Apr 15, 2024
Expiration date: Apr 15, 2028
UBI: 601256157
Business type: Corporation
Phone: (360) 491-7711
Location: Olympia, WA 98516

Source: WA L&I contractor registration — verified Aug 15, 2026. Applies to every row above.

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Bond & insurance on file

Insurance company	Amount	Agency	Effective	Expiration
Arch Specialty Ins Co	$1,000,000	Propel Insurance	May 14, 2026	May 14, 2027

What the bond and insurance requirements mean for homeowners

A $15,000 surety bond, filed with the Department of Labor & Industries, is a condition of registration for specialty contractors in Washington (general contractors file $30,000).

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
Robyn Louise Wilson	Apr 12, 2024

What is a Irrigation/Sprinkling Systems contractor licensed to do in Washington?

Irrigation contractors design, install, and repair lawn and landscape sprinkler systems — supply lines, valves, heads, drip zones, and controllers. Seasonal work such as spring start-ups, winterization, and leak repair is a large share of the trade. Washington requires a $15,000 surety bond and general liability insurance for this registration. Washington currently lists 8 Irrigation/Sprinkling Systems contractors registered in Olympia.