Sean O'Sullivan
213 Conway St, Greenfield, MA
22 law firms. Choose a practice area to narrow the list.
Browse law firms in Greenfield by practice area, confirm the attorney's status with the Board of Bar Overseers, and contact firms directly.
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213 Conway St, Greenfield, MA
29 Princeton Ter, Greenfield, MA
20 Federal St, Greenfield, MA
393 Main St, Greenfield, MA
278 Main St Ste 306, Greenfield, MA
239 Main St Ste 3, Greenfield, MA
22 Mohawk Trail, Greenfield, MA
345 Main St, Greenfield, MA
277 Main St Suite 201B, Greenfield, MA
345 Main St Ste 2n, Greenfield, MA
377 Main St, Greenfield, MA
20 Federal St, Greenfield, MA
278 Main St, Greenfield, MA
393 Main St, Greenfield, MA
345 Main St, Greenfield, MA
56 Bank Row, Greenfield, MA
277 Main St Ste 201, Greenfield, MA
393 Main St Ste 2, Greenfield, MA
393 Main St, Greenfield, MA
393 Main St, Greenfield, MA
377 Main St Ste 3, Greenfield, MA
277 Main St Ste 203, Greenfield, MA
Greenfield is the seat of Franklin County, in the rural Pioneer Valley region of western Massachusetts, and cases from the city are handled through Franklin County's court sessions. It is a small-town hub for the surrounding farming communities and hill towns, with a legal market that leans toward real estate, estate planning and family matters rather than the corporate work found closer to Boston.
Firms serving Greenfield often cover the smaller towns scattered across Franklin County as well.
Massachusetts has no mandatory bar association, so check any attorney's status through the Board of Bar Overseers' public lookup, which shows current registration and any public discipline.
Ask whether the firm regularly appears in Franklin County's courts, since a lawyer who knows the local sessions and clerks can move your matter along more smoothly than one based elsewhere. Settle the fee arrangement — contingency, hourly or flat fee — before signing anything, and get it in writing.
Legal aid programs serving Franklin County assist income-qualifying residents with housing, family and benefits matters. The Massachusetts Bar Association's lawyer referral service can arrange a reduced-fee first meeting with a private attorney, and anyone facing criminal charges who cannot afford a lawyer is entitled to appointed counsel through the Committee for Public Counsel Services.
For specific help, see real estate lawyers in Greenfield or family lawyers in Greenfield, and compare with lawyers in Northampton.
See also Lawyers in Massachusetts for the rest of the state.
This page is general information, not legal advice. Laws change and every case is different — talk to a licensed Massachusetts attorney about your situation.
Updated 2026-10-02.