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A NOTE TO READERS. This profile was researched and written independently by Awesome Attorneys’ editorial team. Mendelsohn Oseran & Spencer, PLC did not pay for, request, or review this article prior to publication, and placement on Awesome Attorneys’ editorial pages cannot be purchased. Nothing in this article is legal advice, and reading it does not create an attorney–client relationship. Past results do not guarantee, warrant, or predict the outcome of any future case.
At a Glance
| Firm | Mendelsohn Oseran & Spencer, PLC |
| Attorney | GinaMarie K. Spencer |
| Office | 2525 E. Broadway Blvd., Suite 201, Tucson, AZ 85716 |
| Focus | Commercial litigation, real estate, land use, commercial transactions, construction law, and corporate law |
| Education | J.D., The University of Utah S.J. Quinney College of Law |
| Certification | State Bar of Arizona Certified Specialist in Real Estate Law |
Sources: firm listing (Martindale.com, LawyerDB), State Bar of Arizona Board of Legal Specialization roster, ACREL membership directory. Compiled August 2026.
Origin
A Small, Specialized Commercial Real Estate Practice
Mendelsohn Oseran & Spencer is a three-attorney Tucson firm — Sidney N. Mendelsohn, Jr., Deborah Oseran, and GinaMarie K. Spencer — organized around commercial real estate, land use, and business transactions rather than a general practice. GinaMarie K. Spencer, this profile’s focus, is a State Bar of Arizona board-certified real estate specialist who has practiced real estate law in Tucson for roughly two decades.
Practice
Commercial Litigation, Real Estate, and Construction Law
Per the firm’s own listings, its practice covers commercial litigation, real estate, land use, commercial transactions, administrative law, corporate law, and construction law. A Martindale peer reviewer describes working with Spencer “on a number of occasions… on real estate loan transactions,” calling her “an excellent, thorough and extremely capable attorney.”
Track Record
No independently verifiable, itemized case-result compilation was located in the sources reviewed for this profile; commercial real estate and land-use matters more often resolve through negotiated transactions and administrative proceedings than published jury verdicts.
Past-Results Disclaimer: Every case is different, and no past result guarantees a similar outcome in any future matter.
Client Voice
The peer endorsement above is the only independently attributable review-style source located for Spencer specifically; this profile treats it as a professional peer review rather than a client testimonial, and no dated client-submitted reviews were located in the sources reviewed.
Community
No independently verifiable community or civic involvement specific to Spencer was located in the sources reviewed for this profile.
Recognition
Spencer holds the State Bar of Arizona’s Board of Legal Specialization certification in real estate law — a peer-reviewed, examination-based credential distinct from purchased marketing-list placements — and the firm received a Martindale.com “Distinguished” rating in 2025 based on peer review. This profile uses the word “specialist” advisedly, on the strength of that documented, individually attributed certification.
The Arizona Legal Backdrop
What follows is general legal information, not legal advice.
Commercial real estate purchase and financing disputes in Arizona generally run on a six-year statute of limitations for written contracts under A.R.S. § 12-548. Disputes over municipal land use and zoning decisions typically require exhausting administrative remedies before judicial review, and quiet title actions — used to resolve competing claims to real property — are governed by A.R.S. § 12-1101.
The Awesome Attorneys Assessment
Mendelsohn Oseran & Spencer’s differentiator is genuine specialization at small-firm scale — three lawyers focused on commercial real estate, land use, and construction law rather than a general Tucson practice, with a board-certified specialist on the roster. The honest trade-off: a three-attorney firm has limited bench depth for very large or multi-front commercial matters, and prospective clients with high-complexity transactions should confirm staffing capacity directly.
Methodology & Sourcing
This profile was researched in August 2026 from Martindale.com firm and attorney listings, LawyerDB, the ACREL membership directory, and the State Bar of Arizona’s Board of Legal Specialization public roster. Mendelsohn Oseran & Spencer, PLC did not commission, review, or pay for this profile.
Publisher Disclosure & Independence Notice
This profile is an independent editorial article published by Awesome Attorneys. Awesome Attorneys does not endorse, recommend, or warrant any lawyer or law firm profiled on this site, and inclusion in this series is not paid placement.