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Jonathan A. "Jon" Block at a glance
Verified credentials for Jonathan A. "Jon" Block sourced from public bar records.
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Areas of practice
Practice focus
Jonathan A. "Jon" Block represents clients in Portland, Maine across the following areas of law. Each area links to other verified attorneys with the same focus.
Biography
About Jonathan A. "Jon" Block
Jon Block represents and advises clients with Maine, New Hampshire, and Massachusetts tax problems. Jon litigates tax cases at the administrative level and through all levels of the court system, advises clients on transactional and multistate tax issues, obtains advance rulings for clients, and does a substantial amount of legislative and government relations work in the tax area.
Jon's substantive expertise in state and local tax encompasses corporate and individual income tax, business profits tax, sales and use tax, property tax, excise tax, transfer tax, and other state and local taxes. Jon also advises expanding and relocating companies on taking maximum advantage of available tax and economic development incentives. Jon's client base includes large, medium and small businesses as well as individuals.
Credentials
Education
Boston University School of Law
— · 2000
University of Maine
J.D. · 1992
University of Pennsylvania
B.A. · 1985
Jurisdictions
Bar admissions
United States, Maine
ACTIVE
United States, Massa
ACTIVE
United States, New H
ACTIVE
Recognition
Awards & honors
Lawyer of the Year — Tax Law, Portland (ME)
2022
Lawyer of the Year — Tax Law, Portland (ME)
2015
Best Lawyers in America — Litigation and Controversy - Tax
2026
Best Lawyers in America — Tax Law
2026
Best Lawyers in America — Awards:
2026
Best Lawyers in America — Rated AV Preeminent™ by Martindale-Hubbell and is a recognized leader in his field.
2026
Best Lawyers in America — The Best Lawyers in America “Lawyer of the Year” in Maine for Tax Law (2022)
2026
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Schedule your consultationFrequently asked
Common questions
What areas of law does Jonathan A. "Jon" Block practice?
Jonathan A. "Jon" Block focuses on Tax and Tax Litigation.
Where is Jonathan A. "Jon" Block located?
Jonathan A. "Jon" Block primarily serves clients in Portland, Maine, with an office at 254 Commercial Street.
Is Jonathan A. "Jon" Block a verified attorney?
Jonathan A. "Jon" Block's profile is listed but has not yet been claimed by the attorney. Verification status is pending.
How can I schedule a consultation with Jonathan A. "Jon" Block?
You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 207-791-1100.





