Base Crew LLC

General · Mercer Island, WA · License #BASECCL753DK

Base Crew LLC is one of 214 General contractors registered in Mercer Island, registered with WA L&I since 2025. Current filings: $30,000 surety bond (continuous) and $1,000,000 liability coverage through May 21, 2027. Principals on record since 2025.

How confident can you be in Base Crew LLC?

Are they licensed, bonded, and insured?

Active license, $30,000 bond and $1,000,000 liability on file — checked against WA L&I records, updated daily.

Source:License facts on this pageVerify at WA L&I

Are they who they say they are?

Not yet verified — Base Crew LLC hasn't claimed this listing. Own this business? Claim it free.

Do other pros stand behind them?

No endorsements yet from other licensed contractors in Mercer Island.

Do they have jobs on record?

Not yet measured — Base Crew LLC hasn't run jobs through Subser. Performance data comes from real jobs, not reviews.

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License facts

License type
CONSTRUCTION CONTRACTOR
Effective date
Mar 12, 2025
Expiration date
Mar 12, 2027
UBI
604434862
Business type
Limited Liability Company
Phone
(206) 954-4223
Location
Mercer Island, WA 98040

Source: WA L&I contractor registration — checked Nov 10, 2026. Applies to every row above.

Registration is current through Mar 2027.

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Bond & insurance on file

Bond firmAmountEffectiveExpiration
NORTH RIVER INSURANCE COMPANY THE$30,000Mar 10, 2025Continuous — until canceled
Insurance companyAmountAgencyEffectiveExpiration
Atlantic Casualty Ins Co$1,000,000ALL-PRO RISK MANAGEMENT INCMay 21, 2026May 21, 2027
What the bond and insurance requirements mean for homeowners

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

NameStart date
Bat-Erdene ChagnaaMar 12, 2025
What is a General contractor licensed to do in Washington?

A general contractor in Washington is registered with the Department of Labor & Industries to perform or oversee work in multiple building trades. General contractors can take on whole projects — remodels, additions, new construction — and can hire specialty subcontractors for individual trades. The registration requires a $30,000 surety bond and general liability insurance on file with WA L&I. Washington currently lists 214 General contractors registered in Mercer Island.

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Subser doesn't have reviews or star ratings. This page shows Base Crew LLC's WA L&I record — registration status, bond and liability coverage, and principals on file — plus any endorsements from other licensed contractors.

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Built from Washington State L&I public records, updated Nov 10, 2026. Subser doesn't do star ratings or reviews — just verified records.