ContractorHistory

Washington contractor

D B KNAPP CONSTRUCTION

Registered in Washington for 2 years

License number
DBKNABK770JJ
UBI
602031195
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
City
LYNNWOOD, WA(all contractors in Lynnwood)
Phone
(206) 354-2613

Current verification

  • Found: Active Washington contractor registration
  • Found: Current bond record found
  • Found: Current liability insurance record found
  • Found: No Attorney General complaint records found
  • Review: 2 changes to this record since our records began
  • Review: 1 other license record under the same UBI

From the state records below; each section shows its source and when it was last synced.

Registration

Status
ACTIVE
Effective date
October 9, 2024
Expiration date
October 9, 2028

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 8, 2026.

One other license number is registered under the same UBI, 602031195. A UBI identifies one business with the state; a business may hold more than one license, renew under a new number, or register a new license after an earlier one closed.

  • License DBKNAC*990PR · CONSTRUCTION CONTRACTOR · October 19, 2001 to November 8, 2020

    L&I describes this status as "relicensed under another name, structure, or specialty." Relicensing is common: a business is given a new license number when it changes its legal structure, name, or specialty.

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 8, 2026.

Bond

Current bond

  • Bond company
    Nationwide Mutual Ins Co
    Bond number
    7901362448
    Amount
    $30,000
    Effective date
    October 8, 2026
    Expiration date
    Until canceled
  • Bond company
    NORTH RIVER INSURANCE COMPANY THE
    Bond number
    46CF823268
    Amount
    $30,000
    Effective date
    October 8, 2024
    Expiration date
    Until canceled

Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Liability insurance

Current policy

  • Carrier
    Contractors Bonding & Insuranc
    Policy number
    INSSE0349
    Coverage amount
    $1,000,000
    Effective date
    October 19, 2022
    Expiration date
    October 19, 2027

L&I publishes only the policy currently on file. Earlier policies are kept from our own nightly syncs, which began October 6, 2026.

Source: L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries. Last synced October 9, 2026.

People

Principals L&I lists for this license.

  • KNAPP, DILLIS BURGESSSince April 11, 2023

Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Attorney General complaints

No Attorney General complaint records found.

Matched on business name and city: D B KNAPP CONSTRUCTION in LYNNWOOD. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: D B KNAPP CONSTRUCTION (DBKNAC*990PR, RE-LICENSED). Complaints are matched by business name and city, so any complaint records shown here also appear on those pages. The records do not say which of these contractors a complaint was about.

A complaint record does not establish that the business violated the law.

Source: Attorney General Consumer Complaints, Washington State Attorney General's Office. Last synced October 9, 2026.

Record history

Changes to this contractor's state records since we began tracking them. The state's current-status tools do not show these.

  • October 8, 2026Current bond company: NORTH RIVER INSURANCE COMPANY THE → Nationwide Mutual Ins Co
  • October 8, 2026Expiration date: October 9, 2026 → October 9, 2028

Sources

Record last synced October 8, 2026.

Check this record against the state directly on L&I's Verify a Contractor page (search by license number DBKNABK770JJ).