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C51

C51 Structural Steel Contractors in California - Page 18

1,642 CSLB C51 license records for California (Page 18 of 33)

CSLB C51 License Scope

Structural steel contractors for steel frame construction.

1,642

Total Contractors

1,538

Active Licenses

181

Federal Records

Run CSLB License Lookup

C51 Structural Steel Contractor License Records

Showing contractors 851-900 of 1,642

J N BUILDS INC

Clear

License #1055529 · MANHATTAN BEACH

Active

J N S IRONWORKS

Clear

License #1068882 · LEBEC

Active

J P C CONTRACTING

Clear

License #725153 · CHICO

Active

J P W STEEL

Clear

License #950304 · EL MONTE

Contr Bond Susp

J S WELDING

Clear

License #640568 · RIPON

Work Comp Susp

J V STEEL BLDGS

Clear

License #869643 · SANTEE

Active

J&G IRONWORKS LLC

Clear

License #1137242 · HOOD

Liab Ins Susp

JA STRUCTURAL STEEL INC

Clear

License #1128544 · HESPERIA

Active

JAKEL CONSTRUCTION & ELECTRIC CO

Clear

License #660270 · RANCHO CORDOVA

Active

JARRARD CONSTRUCTION

Clear

License #640406 · SANTA ANA

Active

JAYSCO INC

Clear

License #679896 · YUCAIPA

Active

JBC METALS INC

Clear

License #1117416 · SAN FRANCISCO

Susp - No Qualifier

JD2 INCORPORATED

Clear

License #674925 · AUBURN

Active

JERICO SPECIALTY METALS INC

Clear

License #845688 · SAN BERNARDINO

Active

JESUS MUNOZ

Clear

License #1046360 · ESCONDIDO

Active

JETTSYN IRON

Clear

License #1063278 · NEWBURY PARK

SOS Suspension

JIM'S ORNAMENTAL IRON WORKS INC

Clear

License #725391 · PALMDALE

Active

JIMENEZ HERRERA LUISA MARGARITA

Clear

License #1080360 · ONTARIO

Active

JJ IRON FORGE INC

Clear

License #1071592 · AGUA DULCE

Contr Bond Susp

JL CONSTRUCTION SERVICE INC

Clear

License #1005834 · LA CANADA

Active

JM WELDING SERVICE INC

Clear

License #856533 · HAYWARD

Active

JMW STEEL ERECTORS

Clear

License #1125411 · MADERA

Active

JOBSITE STUD WELDING INC

Clear

License #839393 · CHINO

Active

JOE-FABWERKS STRUCTURAL STEEL

Clear

License #1048133 · MENTONE

Active

JOHNSON IRON INC

Clear

License #673923 · TRUCKEE

Active

JOHNSON SHEPARD

Clear

License #331899 · FOLSOM

Active

JOHNSON STEEL SOURCE

Clear

License #797977 · ALTADENA

Active

JOLLY STEEL COMPANY INC

Clear

License #828795 · CONCORD

Active

JOOR ROBERT

Clear

License #1009793 · CORONA

Active

JOURNEYMAN IRON WORKS CORPORATION

Clear

License #1065387 · ONTARIO

Active

JS WELDING & FABRICATION INC

Clear

License #903441 · TEMECULA

Active

JUAANE'S PORTABLE WELDING INC

Clear

License #1047155 · NORCO

QUAL Bond SUSP

JULIAN TREE CARE INC

Clear

License #1009796 · RICHMOND

Active

JUMBO'S STRUCTURAL STEEL SERVICES

Clear

License #1061232 · MEAD

Contr Bond Susp

JVC STEEL

Clear

License #1132975 · AMERICAN CANYON

Active

JW PARKS COMPANY

Clear

License #814714 · WEAVERVILLE

Active

K & D ENTERPRISES INC

Clear

License #729153 · CERES

Active

K & S IRONWORKS INC

Clear

License #1018973 · STOCKTON

Active

K & S STEEL

Clear

License #1028136 · MORGAN HILL

Active

K B ORNAMENTAL STEEL

Clear

License #1061945 · VAN NUYS

Active

K D STEEL INC

Clear

License #704849 · MEAD

Active

K G E L STEEL INC

Clear

License #1024885 · RIVERSIDE

Active

K P CONSTRUCTION CO INC

Clear

License #790555 · ONTARIO

Active

K S U CORPORATION

Clear

License #1022029 · MISSION VIEJO

Active

K&M WELDING LLC

Clear

License #711135 · ATWATER

Liab Ins Susp

KASCO FAB INC

Clear

License #433448 · FRESNO

Active

KAT STEEL INC

Clear

License #1129732 · HESPERIA

Active

KCB TOWERS INC

Clear

License #503206 · BANNING

Active

KDR STEEL

Clear

License #705970 · FONTANA

Active

KEE INC

Clear

License #1084596 · LOS ANGELES

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 1,642 CSLB C51 license records for structural steel contractors. 94% 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.