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Contractor license records in Mercer Island, WA

121 records with Mercer Island as their locality of record in L&I's records, as of November 3, 2026. Statuses print as the board records them; a record listed as suspended is not a current credential.

Source: Washington State Department of Labor & Industries (L&I) — records as of November 3, 2026. Records change; the board’s own L&I Verify a Contractor is the current source.

By specialty in Mercer Island

GENERAL (103) · LANDSCAPING (5) · PAINTING/WALLCOVERING (3) · MASONRY (2) · Locks, Security and Alarm Equipment (1) · RESIDENTIAL (1) · JOURNEY LEVEL (1) · CONCRETE (1) · LIMITED ENERGY (1) · HVAC/RFRG (1) · BACKFLOW SPECIALTY (1) · HANDYMAN (1) · Structural Pest Control (1)

• GRUMPYCORP STUDIOS ACTIVE
  License GRUMPS*751NN · expires August 15, 2027
• HL CONTRACTING SUSPENDED
  License HLCONC*807NS · expires March 19, 2027
• HL CONTRACTING LLC ACTIVE
  License HLCONCL756K3 · expires May 23, 2027
• HOME-LINK DEVELOPMENT LLC ACTIVE
  License HOMELDL741N4 · expires August 24, 2028
• HUBERT LANDSCAPE SERVICE ACTIVE
  License HUBERLS218DM · expires February 6, 2028
• ISLAND CREST BUILDERS LLC ACTIVE
  License ISLANCB801KQ · expires May 7, 2028
• ISLAND SECURITY SYSTEMS INC ACTIVE
  License ISLANSS122QC · expires June 27, 2027
• ISOLA BUILDERS INC ACTIVE
  License ISOLABI869Q1 · expires November 28, 2026
• J & J ENERGY SOLUTIONS LLC ACTIVE
  License JJENEES775QA · expires April 28, 2028
• J&H Maritime Consulting LLC ACTIVE
  License JHMARMC853KD · expires June 4, 2027
• JAYMARC CUSTOM HOMES LLC ACTIVE
  License JAYMACH850N8 · expires August 28, 2027
• JAYMARC DIAMOND LLC ACTIVE
  License JAYMADL777OR · expires October 19, 2027
• JAYMARC EMERALD LLC SUSPENDED
  License JAYMAEL795B2 · expires January 22, 2027
• JAYMARC HOMES LLC ACTIVE
  License JAYMAHL873QF · expires November 22, 2027
• JAYMARC RUBY LLC ACTIVE
  License JAYMARL763O5 · expires September 25, 2028
• JAYMARC SAPPHIRE LLC ACTIVE
  License JAYMASL788D5 · expires April 29, 2028
• JOHNSON DESIGN HOMES ACTIVE
  License JOHNSDH766BE · expires January 16, 2028
• K M A MASONRY ENTERPRISES INC SUSPENDED
  License KMMASMM812KU · expires August 19, 2027
• KALLUNA INTERIOR DESIGN INC ACTIVE
  License KALLUID743K8 · expires May 29, 2028
• KN CONSTRUCTION LLC ACTIVE
  License KNCONCL810N3 · expires October 8, 2028
• LEGACY DEVELOPMENTS LLC ACTIVE
  License LEGACDL776PP · expires February 9, 2028
• LIBERTY HOME REMODELING WA ACTIVE
  License LIBERHR751CE · expires February 12, 2027
• LUCAS CONSTRUCTION ACTIVE
  License LUCASC*764J6 · expires April 26, 2028
• LUMIN HOME LLC ACTIVE
  License LUMINHL747LN · expires July 1, 2028
• MARCH MACDONALD INC ACTIVE
  License MARCHMI055BT · expires January 3, 2028
• MASTERWORKS ACTIVE
  License MASTE**813NB · expires August 3, 2027
• MATTHEW KING CONST CO LLC ACTIVE
  License MATTHKC010C2 · expires December 29, 2026
• MEADOW LANE COMPANY LLC ACTIVE
  License MEADOLC765NZ · expires August 9, 2028
• MERCER BUILDERS LLC ACTIVE
  License MERCEBL942J7 · expires April 27, 2028
• MERCER ISLAND CONSTRUCTION ACTIVE
  License MERCEIC786DN · expires April 16, 2028
• MERCER ISLAND HANDYMAN LLC ACTIVE
  License MERCEIH802N6 · expires August 27, 2028
• MERCER ISLAND REMODELING ACTIVE
  License MERCEIR762J4 · expires April 16, 2028
• MJTK BACKFLOW ACTIVE
  License MJTKBB*763JA · expires April 1, 2028
• Mr Q Construction LLC ACTIVE
  License MRQCOQC872LE · expires October 7, 2027
• NAT INSTALLATION NTWRK ENT INC ACTIVE
  License NATININ915JN · expires October 3, 2027
• NAUTILUS PACIFIC LLC ACTIVE
  License NAUTIPL790L1 · expires July 12, 2027
• NORTHWEST COMPLETE CONTRACTING ACTIVE
  License NORTHCC892M2 · expires July 28, 2027
• NORTHWEST DECK ACTIVE
  License NORTHD*088CK · expires April 24, 2027
• NSC BUILDERS LLC SUSPENDED
  License NSCBUBL813P2 · expires November 10, 2027
• NW EASTSIDE BUILDERS LLC ACTIVE
  License NWEASEB773QC · expires November 17, 2027
• NW SEATTLE BUILDERS LLC ACTIVE
  License NWSEASB781KL · expires June 7, 2028
• OPTIMA FENCE AND DECK ACTIVE
  License OPTIMFD769N2 · expires August 28, 2028
• PAINT NATION PROS LLC ACTIVE
  License PAINTNP762O4 · expires October 26, 2028
• PARS WA CONSTRUCTION INC ACTIVE
  License PARSWWC813D8 · expires April 2, 2027
• PEAK BUILDERS INC ACTIVE
  License PEAKBI*990PA · expires November 5, 2027
• PETER DAVIS BUILDERS INC ACTIVE
  License PETERDB044BJ · expires July 12, 2027
• PM ARCHITECTURE LLC ACTIVE
  License PMARCAL825OP · expires September 17, 2028
• PRESIDIO DEVELOPMENTS L.L.C ACTIVE
  License PRESIDL777DS · expires March 24, 2027
• PROCLAD CONSTRUCTION LLC ACTIVE
  License PROCLCL841N6 · expires October 23, 2028
• PROS HANDS LLC SUSPENDED
  License PROSHHL868C8 · expires April 4, 2027

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