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O'Brien Law GroupGeneral practice lawyer in Los Alamitos, CA

O'Brien Law Group is a general practice lawyer at 3699 Katella Ave, Los Alamitos, CA 90720, ranked #11 of 1,929 general practice lawyers in Los Alamitos and rated 5.0 from 22 Google reviews. Open 24 hours a day, 7 days a week.

Facts on this profile come from public sources and from the firm. This is not legal advice, and contacting the firm does not make it your lawyer. Check the lawyer’s standing with the state bar or law society before you hire.

Los Alamitos, CAUpdated 0 paid placements in any rankingHow we rank

Call (562) 588-3069Website ↗

Key facts

Key facts about O'Brien Law Group
Address3699 Katella Ave, Los Alamitos, CA 90720Get directions
Phone(562) 588-3069
Websitekerryobrienlaw.com
HoursOpen 24 hours, 7 days a week
Google rating5.0 from 22 Google reviews

Practice areas

Each practice area shows the evidence we matched it on.

  • General Practicemain practice areaGoogle main category
  • Personal Injuryadditional Google category
  • Employmentadditional Google category

Service area

Serves Los Alamitos and 11 towns within 25 miles: Rossmoor, Hawaiian Gardens, Cypress, La Palma, Cerritos, Stanton, Artesia, Westminster, Seal Beach, Lakewood and Signal Hill.

Based in Los Alamitos, CAView on map

Opening hours

Opening hours for O'Brien Law Group
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

Questions about O'Brien Law Group

How is O'Brien Law Group ranked in Los Alamitos?

O'Brien Law Group is ranked #11 of 1,929 general practice lawyers in Los Alamitos by LFR Score, with 65 out of 100 as of November 2026. The score weighs reputation, bar status, review volume, recency, availability, practice focus, proximity, claimed profile and law firms ranked reviews. No business can pay to change its rank.

What are O'Brien Law Group’s hours?

O'Brien Law Group is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does O'Brien Law Group serve?

Serves Los Alamitos and 11 towns within 25 miles: Rossmoor, Hawaiian Gardens, Cypress, La Palma, Cerritos, Stanton, Artesia, Westminster, Seal Beach, Lakewood and Signal Hill. The list is based on the business's location and the usual service radius for general legal matters. Confirm your address is covered when you call.

What do Google reviews say about O'Brien Law Group?

O'Brien Law Group has a rating of 5.0 from 22 Google reviews. The LFR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact O'Brien Law Group?

Call O'Brien Law Group on (562) 588-3069. The business is at 3699 Katella Ave, Los Alamitos, CA 90720. Its website is linked in the key facts on this page. Ask how the firm charges before the first meeting, and keep confidential details for after its conflict check.

Own O'Brien Law Group? Claim this profile.

Claiming is free. Correct your hours, practice areas and service area. The LFR Score is recalculated from corrected data; payment never changes it.

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Compare nearby general practice lawyers

O'Brien Law Group compared with nearby businesses
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O'Brien Law Group (this business)—655.0 (22)YesYes
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