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O'Guinn Law FirmDivorce and family lawyer in Columbia, MD

O'Guinn Law Firm is a divorce and family lawyer at 5850 Waterloo Rd Ste140, Columbia, MD 21045, ranked #25 of 399 divorce and family lawyers in Columbia and rated 5.0 from 37 Google reviews. Open Monday to Friday.

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.

Columbia, MDUpdated 0 paid placements in any rankingHow we rank

Call (410) 884-5400Website ↗

Key facts

Key facts about O'Guinn Law Firm
Address5850 Waterloo Rd Ste140, Columbia, MD 21045Get directions
Phone(410) 884-5400
Websiteoguinnlaw.com
HoursMonday to Friday: 9 AM – 5 PM
Google rating5.0 from 37 Google reviews

Practice areas

Each practice area shows the evidence we matched it on.

  • Divorce & Family Lawmain practice areaGoogle main category
  • Estate Planning & Probateadditional Google category

Service area

Serves Columbia and 11 towns within 25 miles: Ilchester, West Elkridge, Ellicott City, Hanover, Elkridge, Catonsville, Arbutus, Scaggsville, Severn, Linthicum and Laurel.

Based in Columbia, MDView on map

Opening hours

Opening hours for O'Guinn Law Firm
DayHours
Monday9 AM – 5 PM
Tuesday9 AM – 5 PM
Wednesday9 AM – 5 PM
Thursday9 AM – 5 PM
Friday9 AM – 5 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Questions about O'Guinn Law Firm

How is O'Guinn Law Firm ranked in Columbia?

O'Guinn Law Firm is ranked #25 of 399 divorce and family lawyers in Columbia by LFR Score, with 62 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'Guinn Law Firm’s hours?

O'Guinn Law Firm is open Monday to Friday. Its listed hours are Monday to Friday, 9 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does O'Guinn Law Firm serve?

Serves Columbia and 11 towns within 25 miles: Ilchester, West Elkridge, Ellicott City, Hanover, Elkridge, Catonsville, Arbutus, Scaggsville, Severn, Linthicum and Laurel. The list is based on the business's location and the usual service radius for divorce and family law. Confirm your address is covered when you call.

What do Google reviews say about O'Guinn Law Firm?

O'Guinn Law Firm has a rating of 5.0 from 37 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'Guinn Law Firm?

Call O'Guinn Law Firm on (410) 884-5400. The business is at 5850 Waterloo Rd Ste140, Columbia, MD 21045. 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.

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Compare nearby divorce and family lawyers

O'Guinn Law Firm compared with nearby businesses
BusinessRankLFR ScoreGoogle ratingSaturdaySundayDistance away
O'Guinn Law Firm (this business)—625.0 (37)NoNo
Paré & Associates, LLC#23634.5 (202)YesYes24.3 mi
Capital Family & Divorce Law Group#24635.0 (46)YesYes22.0 mi
Law Office of Hasson D. Barnes, LLC#26624.3 (35)YesYes13.6 mi

See all 399 ranked divorce and family lawyers in Columbia