Alpine Fire Sprinklers INC
Fire Protect System · Otis Orchards, WA · License #ALPINFS919MW
How confident can you be in Alpine Fire Sprinklers INC?
Are they licensed, bonded, and insured?
Active license, $15,000 bond and $1,000,000 liability on file — checked against WA L&I records, updated daily.
Are they who they say they are?
Not yet verified — this listing hasn't been claimed. Own this business? Claim it free.
Do other pros stand behind them?
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Do they have jobs on record?
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License facts
Current filings: $15,000 surety bond (continuous) and $1,000,000 liability coverage through Jan 1, 2027. A surety bond has been on file since 2012.
- License type
- CONSTRUCTION CONTRACTOR
- Effective date
- Jul 16, 2009
- Expiration date
- Jun 30, 2028
- UBI
- 602619454
- Business type
- Corporation
- Phone
- (509) 892-5100
- Location
- Otis Orchards, WA 99027
Source: WA L&I contractor registration — checked Aug 17, 2026. Applies to every row above.
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Claim this free listingBond & insurance on file
| Bond firm | Amount | Effective | Expiration |
|---|---|---|---|
| RLI Ins Co | $15,000 | Jun 30, 2026 | Continuous — until canceled |
| RLI Ins Co | $6,000 | Jul 1, 2012 | Jun 30, 2026 |
| Insurance company | Amount | Agency | Effective | Expiration |
|---|---|---|---|---|
| FEDERATED RESERVE INSURANCE CO | $1,000,000 | Federated Mutual Ins Co - MN | Jan 1, 2025 | Jan 1, 2027 |
What the bond and insurance requirements mean for homeowners
To register as a specialty contractor in Washington, a business must file a $15,000 surety bond with the Department of Labor & Industries; general contractors file $30,000. 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 |
|---|---|
| William (bill) Robert Corbit | Jul 16, 2009 |
| Duane Ira Bartholomew | Jul 16, 2009 |
| Bill Corbit | Jul 16, 2009 |
| Bill Corbit | Jul 16, 2009 |
What is a Fire Protect System contractor licensed to do in Washington?
Fire protection system contractors install, modify, and service fire sprinkler and suppression systems. Typical work includes sprinkler piping and heads, system retrofits in existing buildings, and repairs flagged by system inspections. As a condition of registration, contractors in this category file a $15,000 surety bond and proof of general liability insurance with WA L&I.
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Built from Washington State L&I public records, updated Aug 17, 2026. Subser doesn't do star ratings or reviews — just verified records.