SiteVetterSiteVetter
C51

C51 Structural Steel Contractors in California - Page 11

1,683 CSLB C51 license records for California (Page 11 of 34)

CSLB C51 License Scope

Structural steel contractors for steel frame construction.

1,683

Total Contractors

1,559

Active Licenses

185

Federal Records

Run CSLB License Lookup

C51 Structural Steel Contractor License Records

Showing contractors 501-550 of 1,683

COAST GENERAL CONTRACTORS

Clear

License #976838 · BUELLTON

Active

COAST HOME IMPROVEMENT

Clear

License #924204 · VISTA

Active

COAST IRON & STEEL CO

Clear

License #136724 · YORBA LINDA

Active

COAST STEEL & FABRICATION LLC

Clear

License #1138723 · SAN CLEMENTE

Active

COAST STEEL INC

Clear

License #1111283 · ROSAMOND

Active

COASTAL FABRICATION COMPANY INC

Clear

License #1012636 · CARMEL

Active

COASTAL IRON WORKS CORP

Clear

License #975169 · WILMINGTON

Contr Bond Susp

COASTAL MANUFACTURING INDUSTRIES LLC

Clear

License #1111677 · WATSONVILLE

Liab Ins Susp

COASTAL WELDING INNOVATIONS

Clear

License #1020719 · CAMARILLO

Active

COLLINS FABRICATION

Clear

License #735885 · MENIFEE

Active

COLONIAL STRUCTURAL IRON

Clear

License #989660 · BRISBANE

Active

COLORADO MASS TIMBER FRAMING COMPANY

Clear

License #1078563 · LEAWOOD

Active

COLOSSAL STRUCTURAL STEEL INC

Clear

License #1070899 · INDIO

Active

COLUMBIA STEEL SERVICES INC

Clear

License #1004493 · VANCOUVER

Active

COMPASS BUILDERS INC

Clear

License #1014045 · TEMECULA

Active

COMPLETE STEEL AND STRUCTURE LLC

Clear

License #1150615 · HOLLISTER

Active

COMPTON CONSTRUCTION COMPANY

Clear

License #429008 · WINDSOR

Active

CON - SOL ENTERPRISES

Clear

License #728350 · SANTA PAULA

Active

CONCO

Clear

License #199902 · CONCORD

Active

CONNECT STEEL COMPANY

Clear

License #1151057 · GARDENA

Active

CONSTRUCTION CONTRACTORS CORPORATION

Clear

License #903605 · PICO RIVERA

Active

CONXTECH INC

Clear

License #855525 · PLEASANTON

Active

COOK ERECTORS INCORPORATED

Clear

License #532245 · LOMPOC

Active

COOL ERECTORS

Clear

License #716367 · LOOMIS

Active

COOPER STEEL

Clear

License #811990 · SHELBYVILLE

Active

COORG CORPORATION

Clear

License #611625 · ANAHEIM

Active

COPPER & GOLD STEEL, CGS

Clear

License #887515 · ORANGEVALE

Active

CORDOVA STEEL ERECTORS INC

Clear

License #936244 · BAKERSFIELD

Contr Bond Susp

CORNERSTONE STEEL FABRICATION

Clear

License #1050576 · ANGELS CAMP

Active

CORONA STEEL INC

Clear

License #1089502 · LAKEWOOD

Active

COWELCO

Clear

License #123129 · LONG BEACH

Active

COX G A CONSTRUCTION INC

Clear

License #856396 · SCOTTS VALLEY

Active

CRAFTSMAN IRON WORKS INC

Clear

License #913208 · SUN VALLEY

Active

CRAIG EDWARD APPLEBY

Clear

License #457201 · LAKE HAVASU CITY

Active

CRANEVEYOR CORP

Clear

License #194646 · SOUTH EL MONTE

Active

CREATIVE IRON ARTS INC

Clear

License #1010790 · OAKLAND

Active

CREATIVE STEEL TEK

Clear

License #1069025 · LAGUNA NIGUEL

Active

CREW METAL FABRICATION COMPANY

Clear

License #1013693 · CORONA

Active

CROSSWIND PROPERTIES

Clear

License #512145 · NOVATO

Active

CROWN STEEL INC

Clear

License #963155 · CORONA

Active

CROZ CUSTOM METAL FABRICATION INC

Clear

License #991945 · FAIRFIELD

Active

CRUZ J L STRUCTURAL STEEL

Clear

License #605262 · AZUSA

Active

CUNDIFF STEEL FABRICATING & ERECTING

Clear

License #251220 · ORANGE

Active

CURRENTLY WELDING

Clear

License #1081480 · SANTA YNEZ

Active

CW INDUSTRIES INC

Clear

License #761736 · LONG BEACH

Active

D & E ERECTORS INC

Clear

License #1120709 · WASCO

Contr Bond Susp

D & M STEEL INC

Clear

License #619008 · PACOIMA

Active

D & M STEEL SERVICES INC

Clear

License #1119766 · FRIDAY HARBOR

Active

D & T STRUCTURAL STEEL INC

Clear

License #767438 · ORINDA

Active

D A R CONSTRUCTION INC

Clear

License #1068232 · MADERA

Active

C51 Structural Steel Contractor License Lookup

Use this page when you need a California C51 license lookup, a list of licensed structural steel contractors, or a quick screen before assigning structural steel work to a sub. Each row links to a contractor profile with CSLB status, workers' comp, bond, federal records, and permit checks.

California has 1,683 CSLB C51 license records for structural steel contractors. 93% currently hold active licenses and 11.0% have at least one federal compliance record. SiteVetter checks CSLB status, SAM.gov debarment, DOL wage violations, OSHA safety citations, EPA environmental records, and building permits in seconds.

What to Check for C51 Structural Steel Contractors

  • Verify the contractor license is active and in good standing
  • Request proof of insurance and bonding
  • Get at least 3 written quotes before selecting a contractor
  • Check federal databases: SAM.gov, OSHA, DOL, and EPA records
  • Confirm bond: California requires $25,000+ contractor bond (SB 607)

Why Federal Records Matter for Structural Steel Work

For structural steel work, 11.0% of licensed contractors have federal records that a standard CSLB license check would not reveal. SiteVetter's 6-source lookup gives GCs a faster way to compare subs before bid award, onboarding, or renewal review.

Data sourced from California Contractors State License Board and federal databases. Updated weekly. For official verification, check directly with CSLB.