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Business Lawyers in Diamond Bar, CA

Compare business lawyers in Diamond Bar. Review contact information and practice areas before you decide.

20 attorneys listed
Updated May 2026
Diamond Bar, CA
Important: Listings are compiled from publicly available sources and have not been independently verified by BeforeAttorney.com. We do not endorse any attorney or guarantee outcomes. Verify licensing and disciplinary status with the State Bar of California before hiring.
Showing 20 business lawyers in Diamond Bar, CA Listings are displayed in no particular order and are not ranked by BeforeAttorney. Order does not constitute a recommendation or endorsement of any attorney.
JAMES WANG LAW
20657 Golden Springs Dr UNIT 201, Diamond Bar, CA 91789
(626) 800-0000 jameswanglaw.com
LA OC Lawyers Group
888 S Brea Canyon Rd Ste 355, Diamond Bar, CA 91789
(909) 595-3999 laoclawgroup.com
Law Huang International Ltd
556 N Diamond Bar Blvd # 305, Diamond Bar, CA 91765
(626) 866-1719 huanglawgroup.com
The Law Office of James Perez, Esq.
21308 Pathfinder Rd # 105, Diamond Bar, CA 91765
(909) 245-4787 thelawofficejp.com
Kenner Law Group, PLC
20955 Pathfinder Rd #100, Diamond Bar, CA 91765
(909) 861-8813 kennerlawgroup.com
Alex Ramirez, Esq. - AR | LEGAL TEAM
1370 Valley Vista Dr Suite 200, Diamond Bar, CA 91765
(877) 651-0086 arlegalteam.com
Concord & Sage PC
1360 Valley Vista Dr suite 140, Diamond Bar, CA 91765
(626) 766-9272 concordsage.com
Apex Lawyers
21671 Gateway Center Dr #108, Diamond Bar, CA 91765
(909) 306-5985 apexlawinc.com
The Pollard Firm, APC
556 N Diamond Bar Blvd #300, Diamond Bar, CA 91765
(909) 396-1800 thepollardfirm.com
Weber Law | Criminal Defense Lawyers
21700 Copley Dr, Diamond Bar, CA 91765
(626) 606-9661 law.ninja
Michael W. Brown, LLP Attorney at Law
22632 Golden Springs Dr UNIT 115, Diamond Bar, CA 91765
(909) 860-1986 mikebrownlaw.com
Braff Law Car Accident Personal Injury Lawyers
21308 Pathfinder Rd Suite 217, Diamond Bar, CA 91765
(909) 575-0715 brafflawfirm.com
Eric D. Davis, Attorney at Law
20955 Pathfinder Rd #100, Diamond Bar, CA 91765
(909) 861-8075 ericdaviscriminallaw.com
ALL Trial Lawyers - Car Accident Attorneys
1370 Valley Vista Dr Suite 200, Diamond Bar, CA 91765
(866) 811-4255 alltriallawyers.com
The Law Offices of Fang Chen
20657 Golden Springs Dr UNIT 209, Diamond Bar, CA 91765
(626) 512-8990 fangchenlaw.com
Law Offices of David Chesley
1370 Valley Vista Dr Suite 200, Diamond Bar, CA 91765
(909) 396-0833 chesleylawyers.com
Law Offices Of Land Wayland
21671 Gateway Center Dr # 211, Diamond Bar, CA 91765
(909) 861-8890
Law Offices Of Bin Li And Associates
730 N Diamond Bar Blvd, Diamond Bar, CA 91765
(909) 861-6880 libinlaw.com
Legendaria, A Legal Corporation (formerly JV Law Offices, APC)
1930 S Brea Canyon Rd #120, Diamond Bar, CA 91765
(626) 600-8644 jvlawoffices.com
Maximus Law
1370 Valley Vista Dr Suite 200, Diamond Bar, CA 91765
(833) 863-2274 maximuslaw.com

Business lawyers in Diamond Bar California assist with entity formation, contract review, and dispute resolution. California law requires specific filings for LLCs and corporations with the Secretary of State. Local attorneys understand the business environment in Los Angeles County and can help you comply with state regulations.

What Does a Business Lawyer in Diamond Bar Cost?

Business lawyers in California typically charge between $250 and $600 per hour. Flat fees for forming an LLC range from $500 to $2,000. Costs vary by case complexity and attorney experience. This is general information, not legal advice.

* Cost estimates are general ranges based on publicly available data and compiled using automated research tools. Actual fees vary by attorney and case complexity. This is not legal advice — consult directly with an attorney for fee specifics.

Frequently Asked Questions

What does a business lawyer in Diamond Bar do?
A business lawyer helps with starting a business, drafting contracts, and handling disputes. They also advise on California tax laws and employment rules.
Do I need a lawyer to form an LLC in California?
You can file articles of organization yourself, but a lawyer ensures your operating agreement meets California requirements. Mistakes can lead to personal liability.
What is the statute of limitations for a breach of contract in California?
For written contracts, you have four years to file a lawsuit. For oral contracts, the limit is two years. A lawyer can help you meet these deadlines.