Licensed contractors in Diamond Bar, California
Contractors with an active California license and a business address in Diamond Bar (Los Angeles County). Each listing shows what the state has on file.
- Green Air & Refrigeration
Active Insurance current
- Green Point
Active No insurance on file
- Gregory George Shockley
Active No insurance on file
- H4 Investment INC
Active No insurance on file
- Haitao Feng
Active No insurance on file
- Hammond Drywall Construction
Active Insurance current
- Haojiang Zheng
Active No insurance on file
- Hardy Landscape
Active Insurance current
- Hardy Landscape Construction INC
Active No insurance on file
- Henry's Custom Painting
Active No insurance on file
- High Noon Air
Active Insurance current
- Hjr Contracting INC
Active Insurance current
- Hoffice Beautiful INC
Active Insurance current
- Home Builders Incorporated
Active Insurance current
- Honest Pro Air Conditioning and Heating
Active Insurance current
- Hong Construction
Active No insurance on file
- Hong Ding Construction INC
Active Insurance current
- Hsu - Da Wang
Active No insurance on file
- Hsueh Yu Liao
Active No insurance on file
- Huamei Construction INC
Active Insurance current
- I S Firepro
Active Insurance current
- Ice Man Power LLC
Active No insurance on file
- Ichien Chen
Active No insurance on file
- Imperium Roofing INC
Active Insurance current
- Integrated Wiring Concepts INC
Active No insurance on file
- Ion Security Systems
Active No insurance on file
- Isanvo Construction INC
Active No insurance on file
- Isre Interact Solutions Real Estate
Active No insurance on file
- J H Plumbing
Active No insurance on file
- J L J Construction
Active Insurance current
- Jae H Lim
Active No insurance on file
- Jamie Jinzuo Huang
Active No insurance on file
- Jay Arora
Active No insurance on file
- Jay's Plumbing
Active No insurance on file
- Jh Builder and Remodeling INC
Active Insurance expired
- Jia Xiaolong
Active Insurance current
- Jiancai Construction INC
Active Insurance current
- Jifeng Yao
Active No insurance on file
- Jing Y Electrical Services
Active No insurance on file
- Jkz Group INC
Active No insurance on file
- Joe Cledera Ablay
Active No insurance on file
- Joe Clifton Tile Contractor INC
Active Insurance current
- Joe Construction Group
Active No insurance on file
- John Park
Active No insurance on file
- Jonathan Ko
Active No insurance on file
- Jones Plumbing
Active No insurance on file
- Jonghyun Park
Active No insurance on file
- Jorge Lambarena
Active No insurance on file
- Jrq Finish Carpentry
Active No insurance on file
- Jt Project Management INC
Active No insurance on file
- Justprime Construction INC
Active No insurance on file
- K M K Glazing Contractors
Active No insurance on file
- K3gs LLC
Active No insurance on file
- Kai Xia
Active No insurance on file
- Kenneth Daley Heating & Air Services
Active Insurance expiring soon
- Kertland Roofing INC
Active Insurance current
- Kitchen and Flooring Center INC
Active Insurance expiring soon
- Kun Ho Shin
Active No insurance on file
- L B Air Conditioning
Active Insurance current
- L L L Development INC
Active Insurance expiring soon
- La Electrical & Construction INC
Active No insurance on file
- Lanyi USA INC
Active Insurance current
- Ld Construction
Active No insurance on file
- Lexar Construction
Active Insurance current
- Lhw Construction INC
Active No insurance on file
- Liang Zhou
Active No insurance on file
- Liberty Woodworking
Active Insurance current
- Light Contracting
Active Insurance current
- Likai Chen HVAC INC
Active Insurance current
- Lucas Electrical
Active No insurance on file
- M & E Management Group INC
Active No insurance on file
- M D B Design Associates
Active No insurance on file
- M S T Group INC DBA M S T Construction
Active No insurance on file
- M T Quality Construction
Active No insurance on file
- Mac Refrigeration and Air Conditioning CO
Active Insurance current
- Maj Engineering
Active Insurance current
- Master Painting CO
Active No insurance on file
- Mcdonald Construction
Active No insurance on file
- Mcmaster Mechanical
Active Insurance current
- Mengqi Construction
Active No insurance on file
- Michael Steven Fedorow
Active No insurance on file
- Ming Chu Chen Chien
Active No insurance on file
- Ming's Construction and Hotel Renovation
Active No insurance on file
- Mirae Construction CO
Active Insurance current
- Monair Contractors
Active No insurance on file
- Monarch Deck Coatings
Active Insurance current
- Monarch Information Systems LLC
Active Insurance expired
- Mr a/C
Active Insurance current
- Myung Won I Kim
Active No insurance on file
- New Life Construction
Active No insurance on file
- New Life Construction and Renovation
Active Insurance current
- Nexville Construction INC
Active Insurance current
- Nielsen Electric
Active No insurance on file
- Ning Construction
Active No insurance on file
- Oceanlux Construction INC
Active No insurance on file
- Oxford Painting
Active Insurance current
- Pachuca Construction
Active Insurance current
- Pacific Rim Builders
Active No insurance on file
- Padilla's Grading and Paving
Active No insurance on file
- Park S Roofing USA
Active Insurance current
Last checked against state records on Oct 4, 2026. How we get this data.