ContractorHistory

Registered Washington contractor, based in SYLMAR, CA

FRONTIER-KEMPER CONSTRS INC

Registered in Washington for 43 years

License number
FRONTKC173J6
UBI
600472307
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
Business address
SYLMAR, CA
Phone
(818) 362-2062

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

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

Registration

Status
ACTIVE
Effective date
April 26, 1983
Expiration date
November 9, 2027

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.

Bond

Current bond

  • Bond company
    Travelers Cas & Surety Co
    Bond number
    83SB033902BCA
    Amount
    $30,000
    Effective date
    July 22, 2024
    Expiration date
    Until canceled

Bond history

  • Bond company
    Travelers Cas & Surety Co
    Bond number
    83SB033902BCA
    Amount
    $12,000
    Effective date
    October 11, 2001
    Expiration date
    July 22, 2024

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

Liability insurance

Current policy

  • Carrier
    Zurich American Ins Co
    Policy number
    GLO654236315
    Coverage amount
    $5,000,000
    Effective date
    May 31, 2026
    Expiration date
    May 31, 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.

  • ROGSTAD, WALTER DAVIDSince October 29, 2009
  • CROWLEY, D WAYNEJanuary 1, 1980 to April 13, 2005
  • MCINERNY, DENISJanuary 1, 1980 to April 13, 2005
  • POND, ROBERT AJanuary 1, 1980 to October 11, 2011
  • WANHATALO, DAVEJanuary 1, 1980 to April 13, 2005
  • BARCHET, CARL DApril 6, 2005 to October 29, 2009
  • MARKEE, DANA JOLYNNEApril 6, 2005 to October 11, 2011
  • RAAB, RICHARDApril 6, 2005 to October 11, 2011
  • RIPPENTROP, GALYN GApril 6, 2005 to October 11, 2011
  • ROGSTAD, W DAVIDApril 6, 2005 to October 11, 2011
  • KILMARTIN, THOMAS JOSEPHOctober 29, 2009 to October 11, 2011
  • REDMOND, STEPHEN CHARLESOctober 29, 2009 to October 11, 2011
  • MCGLOTHLEN, CHARLES TOctober 11, 2011 to September 2, 2015

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: FRONTIER KEMPER CONSTRS in SYLMAR. Complaints filed under another name or city are not included.

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.

No changes recorded since our records began on October 6, 2026.

Sources

Record last synced October 7, 2026.

Check this record against the state directly on L&I's Verify a Contractor page (search by license number FRONTKC173J6).