Atty. Sandra Dionis Long

Atty. Sandra Dionis Long

Sandra Dionis Long is a lawyer practicing immigration law, business law, family law. Sandra received a B.A. degree from Muhlenberg College in 1977, and has been licensed for 46 years.

Boston Boston 46 yrs experience 46 year
Call (617) 982-2265 Book Appointment

Profile Summary

About Sandra Dionis Long at a glance

Sandra Dionis Long is an Associate based in Boston, Massachusetts, practicing at Oneil & Hauser, P.C.. They have 46+ years of legal experience, licensed to practice since 1980. Their practice focuses on family law, immigration, and business. Admitted to practice in Massachusetts (1980). Educated at Suffolk University (J.D., 1980) and Muhlenberg College (B.A., 1977). Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sandra Dionis Long is a lawyer practicing immigration law, business law, family law
  • Sandra received a B.A. degree from Muhlenberg College in 1977, and has been licensed for 46 years
  • Sandra practices at Oneil & Hauser, P.C. in Boston, MA

Practice Areas Explained

Sandra Dionis Long's Areas of Practice

Each practice area below reflects the types of cases Sandra Dionis Long handles, with a brief overview of what that area of law covers.

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Sandra Dionis Long is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in Massachusetts →

Immigration Law

Immigration attorneys help with green cards, visas, citizenship, asylum, and deportation defense. Find a verified immigration lawyer for your case.

Sandra Dionis Long is one of 40,633 immigration attorneys indexed nationally. Browse immigration attorneys in Massachusetts →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Sandra Dionis Long is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Massachusetts →

Jurisdictional Context

Why local counsel matters in Massachusetts

Practicing law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Boston are typically filed in the local municipal court or the appropriate Massachusetts state district court, depending on subject matter and amount in controversy. An attorney licensed in Massachusetts brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Massachusetts courts without local counsel or pro hac vice admission.

Looking for additional Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.

Frequently Asked

Common questions about Sandra Dionis Long

Where is Sandra Dionis Long's law office located?
Sandra Dionis Long's law practice is located in Boston, Massachusetts. The firm is Oneil & Hauser, P.C.. You can contact the office directly through this profile page.
What practice areas does Sandra Dionis Long handle?
Sandra Dionis Long focuses on family law, immigration, business. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has Sandra Dionis Long practiced law?
Sandra Dionis Long has 46+ years of legal experience and has been licensed since 1980.
Where did Sandra Dionis Long go to law school?
Sandra Dionis Long earned their education at (J.D., 1980); (B.A., 1977).
How can I contact Sandra Dionis Long for a consultation?
You can contact Sandra Dionis Long directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
Suffolk University
- 1980
B.A.
Muhlenberg College
- 1977

Bar Admissions

Massachusetts
Admitted: 1980

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