Businesses in Diamond Bar, California

1,518 local businesses across 100 categories, from real estate agents, restaurants and doctors & clinics. 0.1% of everything listed in California.

Quick answer

Diamond Bar, CA has 1,518 businesses listed on USA Business Search in 100 categories across 5 ZIP codes. The most-listed are real estate agents, restaurants and doctors & clinics.

Updated October 2026

Most listed in Diamond Bar

Real estate agents Restaurants Doctors & clinics Schools & tutoring Dentists Insurance agents Lawyers Hair salons Business consulting Accountants & tax

Home services

General contractors (14)HVAC & heating (5)Water & fire restoration (4)Roofers (4)House cleaning (3)Handyman services (3)Interior design (3)Locksmiths (2)Movers & hauling (2)Plumbers (2)Solar (2)Concrete & paving (1)Electricians (1)Flooring (1)Home inspectors (1)Landscaping & lawn care (1)Kitchen & bath remodeling (1)

Marketing & advertising

Marketing agencies (5)Printing & signs (5)Photographers & video (4)Advertising agencies (2)Web design (1)

Auto

Auto repair (14)Gas stations (9)Car dealers (7)Auto parts (6)Tires (5)Car wash & detailing (4)Auto glass (3)Auto body & collision (2)

Food & drink

Restaurants (110)Grocery & specialty food (26)Coffee shops & cafes (21)Bakeries & desserts (14)Pizza (8)Mexican restaurants (5)Bars & breweries (2)

Health & medical

Doctors & clinics (81)Dentists (63)Senior living & home care (20)Counseling & therapy (18)Wellness & alternative health (17)Chiropractors (14)Pharmacies (9)Massage therapy (8)Eye care (6)Physical therapy (6)Urgent care & hospitals (4)

Beauty & personal care

Hair salons (45)Spas & med spas (34)Nail salons (14)Dry cleaning & laundry (7)Barbers (2)Tattoo & piercing (1)

Professional services

Business consulting (40)Accountants & tax (34)Engineering & architecture (19)Shipping & couriers (18)IT & computer services (17)Software development (10)Staffing & employment (9)

Real estate

Real estate agents (156)Property management (19)Self storage (10)

Finance & insurance

Insurance agents (58)Mortgage lenders (34)Financial advisors (29)Banks & credit unions (19)

Legal

Lawyers (52)

Shopping & retail

More shopping (34)Clothing & boutiques (13)Phones & electronics (10)Furniture & home decor (9)Liquor stores (7)Florists & gifts (6)Hardware & garden (6)Jewelry (6)Sporting goods & outdoor (2)Thrift & consignment (1)

Pets

Pet grooming & training (9)Veterinarians (5)Pet stores (1)

Fitness & recreation

Gyms & fitness (27)Martial arts (13)Dance studios (10)Golf (2)Outdoor adventure & tours (2)Yoga studios (2)

Hotels & travel

Travel agencies (12)Hotels & lodging (4)Vacation rentals (1)

Education & childcare

Schools & tutoring (66)Childcare & preschools (12)

Events & entertainment

Arts & entertainment (8)Event planning & weddings (7)Event venues (2)

Business & industrial

Manufacturing & wholesale (20)Propane & energy (5)

Community & faith

Churches & places of worship (27)Nonprofits & community (13)

Featured · From the team behind USA Business Search

Your next customer is searching Diamond Bar right now. Be the business they find first.

Eye To Ad Media builds SEO, AI search optimization and custom-coded websites for Diamond Bar businesses. Headquartered in Denver, growing businesses worldwide.