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Licensed Limited Specialty Contractors in Glendora, California

Updated November 1, 2026 from CSLB's public license file · C-61 Limited Specialty

  • 39licensed limited specialty contractors
  • 37active (Clear)
  • 5.1%with a suspension
  • 48.7%workers' comp exempt
  • 15.9 yrsmedian time licensed
  • 56.4%corp / LLC / partnership (43.6% sole owner)
  • 1new in the last 12 months
  • —change tracking began November 1, 2026

Glendora is home to 39 limited specialty contractors in CSLB's license file, ranking #23 of 55 Los Angeles County cities for this trade. 94.9% are Clear.

48.7% report a workers' comp exemption, 12.5 points higher than the statewide figure for limited specialty contractors (36.2%), so many of these businesses say they have no employees. The share with a suspension (5.1%) is close to the Los Angeles County rate for the same license (5.1%).

The median limited specialty contractor here has held a license for 15.9 years (more than the statewide median of 13), and 1 license was issued in the last 12 months.

C-61 licenses are always paired with a D-subcategory that names the specific trade, so check the "D" code on each profile. See the C-61 Limited Specialty guide for what the license covers.

How to check a limited specialty contractor's license in Glendora

  1. Find the business in the list below, or search all 39 Glendora listings, and open its profile. You want a Clear status and the C-61 classification (a B license can also cover it as part of a multi-trade job).
  2. Confirm it live with CSLB's Instant License Check. Statuses change between our weekly refreshes, especially workers' comp and bond suspensions.
  3. Get the bid and contract in writing with the license number on it. If the job tops $1,000 in labor and materials, a licensed limited specialty contractor is required by law. See the $1,000 rule.

All 39 limited specialty contractors in Glendora

Glendora limited specialty contractors sorted with Clear licenses first, then by years licensed. Badges reflect CSLB's file dated November 1, 2026, not a rating of anyone's work.

Licensed limited specialty contractors in Glendora
Business nameLicense #StatusYearsWorkers' compBond
Cole Barney Ellis 464015 Clear 42 Exempt On file
Clean Air Testing INC 474291 Clear 41 Insured On file
Corona Aluminum CO 502986 Clear 39 Insured On file
Zakas Robert 700481 Clear 31 Exempt On file
L B I Boyd 762511 Clear 27 Insured On file
Pool Pro Maintenance & Repair the 763741 Clear 27 Exempt On file
Bts Maint 772080 Clear 26 Insured On file
J W Concrete Pumping 841073 Clear 22 Exempt On file
So Cal Pool Company 845392 Clear 22 Insured On file
Ace Cd INC 847907 Clear 22 Insured On file
Boones Concrete Pumping INC 870318 Clear 20 Insured On file
Mendoza Roberto A 897614 Clear 19 Exempt On file
L B K Construction 907625 Clear 18 Insured On file
Superior Test and Balance 911916 Clear 18 Exempt On file
Renaissance Outdoor Living INC 919791 Clear 18 Insured On file
Western Environmental Services 922840 Clear 18 Insured On file
A & R Safe & Lock Corporation 933898 Clear 17 Insured On file
B R Building Resources Company 949919 Clear 16 Insured On file
Giuliano's Pool Service & Repair INC 955236 Clear 15 Exempt On file
Unique Innovative Products 964845 Clear 15 Insured On file
Taps Concrete Cutting 980227 Clear 13 Exempt On file
Orlys Draperies & Interiors INC 984464 Clear 13 Insured On file
Alvarado Aaron 1010664 Clear 10 Exempt On file
Rolhard INC 1010933 Clear 10 Insured On file
City Bore Communication 1013301 Clear 10 Exempt On file
Star Concrete Restoration 1031492 Clear 9 Exempt On file
Gss Clean-Up & Restoration INC 1032440 Clear 9 Insured On file
G M R Pools Maintenance & Repair 1038055 Clear 8 Exempt On file
City Bore Communication INC 1039382 Clear 8 Insured On file
Quality Door Service 1043428 Clear 8 Exempt On file
Roberts Concrete Pumping INC 1057721 Clear 7 Exempt On file
Sg Tree Service 1069594 Clear 6 Insured On file
Bt Construction 1081485 Clear 5 None On file
D Awning Installer 1081928 Clear 5 Exempt On file
Jtw of California INC 1108055 Clear 3 Exempt On file
Shadedcreations INC 1131552 Clear 1 Exempt On file
Sce Concrete Coatings 1158040 Clear <1 Insured On file
Center Stage Synthetic Turf 856710 Susp: contractor's bond 21 Exempt On file
Glendora Pool and Spa Services & Supplies 959717 Susp: contractor's bond 15 Exempt On file

Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.

Frequently asked questions

How many licensed limited specialty contractors are in Glendora?

CSLB's current public file lists 39 limited specialty contractors with a Glendora mailing address. 37 have a Clear status, and 87.2% show no issues at all in the file (no suspension, no pending action, bond on file, not near expiration).

What license does a limited specialty contractor need in California?

C-61 licenses are always paired with a D-subcategory that names the specific trade, so check the "D" code on each profile. Any job of $1,000 or more in labor and materials needs a licensed contractor. Read our guide to the $1,000 rule.

How do I check a limited specialty contractor's workers' comp?

Each profile shows the workers' comp type, insurer and policy dates from CSLB's file. Among Glendora limited specialty contractors, 48.7% are exempt (no employees), 48.7% insured and 2.6% without current coverage. Verify a policy with CSLB's insurer search (step by step).

Related

Limited Specialty Contractors in nearby cities

More limited specialty contractors lists in Los Angeles County

Other licensed trades in Glendora

Guides