Who may serve a summons and complaint in Massachusetts?

A sheriff, deputy sheriff, or special sheriff; a constable bonded with the town, serving only up to the dollar limits of the bond; another person duly authorized by law; or a person the court specially appoints under Mass. R. Civ. P. 4(c). Massachusetts has no general rule letting any adult non-party serve process.

Can a party serve their own summons in Massachusetts?

No. Mass. R. Civ. P. 4(c) limits service to sheriffs, deputies, and special sheriffs; a person otherwise authorized by law, such as a town constable; or a person the court specially appoints. A party must hire or arrange for one of these to serve the summons.

Is ordinary mail enough to serve a Massachusetts summons?

No. Ordinary mail alone does not serve an individual or private entity in Massachusetts. Certified or registered mail is authorized only for the Commonwealth, its agencies, political subdivisions, and authorities or boards (Mass. R. Civ. P. 4(d)(3)-(5)), and for out-of-state defendants by a form of mail requiring a signed receipt (Mass. R. Civ. P. 4(e)(3)).

Does Massachusetts have an official proof of service form?

Massachusetts has no separate numbered proof-of-service form. The Return of Service, or Proof of Service of Process, is printed on the back of the court-issued summons itself, and that court form controls: the original summons, not a copy, with the signed Return must be filed.

Does a Massachusetts proof of service need to be notarized?

It depends on who signs. A sheriff, deputy sheriff, or special sheriff signs a Return with no affidavit at all. Anyone else, such as a constable or a court-appointed special process server, must make an affidavit under Mass. R. Civ. P. 4(f), which official Massachusetts guidance describes as signed under the pains and penalties of perjury. A defendant's Acceptance of Service is signed before a notary public.

How long do I have to serve a summons in Massachusetts?

Service of the summons and complaint must be completed within 90 days after the complaint is filed. If it is not, and the plaintiff cannot show good cause for the delay, the action is dismissed as to that defendant without prejudice (Mass. R. Civ. P. 4(j)).

Is there a deadline to file the proof of service in Massachusetts?

The signed Return, receipt, or affidavit must be filed within the same 90-day window used for service itself, per official Massachusetts guidance. Mass. R. Civ. P. 4(f) separately requires filing it promptly and within the time the served party has to respond, 20 days in Superior Court.

How do I serve later papers like motions in a Massachusetts case?

Once a party is represented, later papers go to the attorney of record; otherwise they go to the party, unless the court orders otherwise. Mass. R. Civ. P. 5(b) permits hand delivery, leaving the paper at an office or dwelling, mail to the last known address, or, in limited circumstances, email.

Does a Massachusetts certificate of service need to be filed for every later paper?

Usually not. Under Mass. R. Civ. P. 5(d)(1), filing the paper itself represents that it has been or will be served, and no further proof of service is required unless an adverse party raises a question of notice, at which point a signed statement or written acknowledgment must be filed.

What happens if service of a Massachusetts summons is defective?

Defective service can prevent the court from gaining jurisdiction over the defendant, which can void a default judgment later. Follow the manner, timing, and proof requirements in Mass. R. Civ. P. 4 exactly, and never sign a Return or affidavit that misstates how or when service occurred, since it is made under oath or the pains and penalties of perjury.

Does this Massachusetts proof of service cover federal court, service abroad, or the federal government?

No. Service on the federal government, a foreign country, or under the Hague Service Convention, and service in federal court under the Federal Rules of Civil Procedure, follow separate rules not covered on this page.

Massachusetts Proof of Service

Q: What is Acceptance of Service on a Massachusetts summons?

It is a notarized shortcut printed on the Massachusetts summons itself: a cooperative defendant may sign the original summons where it says Acceptance of Service before a notary public, which stands in place of formal service by a sheriff, constable, or specially appointed server.

Massachusetts has no general rule letting any adult non-party serve a summons: only a sheriff, deputy sheriff, or special sheriff, a town-bonded constable, or a court-appointed special process server may do it, and the Return of Service is printed on the back of the summons itself rather than a separate numbered form.

Find out where you stand in Massachusetts

Where are you with service?

DocDraft provides document preparation, not legal advice.

Introduction

In Massachusetts, service must come from a sheriff, deputy, or special sheriff; a town-bonded constable, within the bond's dollar limits; another person authorized by law; or a court-appointed special process server (Mass. R. Civ. P. 4(c)). There is no adult non-party option; a party can't serve their own summons. There is no separate numbered proof form; the Return of Service on the summons's back controls, and the original summons, not a copy, is filed. An officer signs a Return, no affidavit needed; a constable or specially appointed server makes an affidavit (Rule 4(f)), signed under the pains and penalties of perjury, per official guidance. Valid methods: personal delivery, copies at the usual abode, or business delivery to an officer or agent in charge (Rule 4(d)). Ordinary mail alone does not serve an individual or private entity; certified or registered mail is authorized only for government entities and out-of-state defendants, by mail needing a signed receipt (Rule 4(d)(3)-(5), 4(e)(3)). A cooperative defendant may instead sign Acceptance of Service before a notary. Service must finish within 90 days after filing, or the case is dismissed without prejudice absent good cause (Rule 4(j)). Proof is due in that window, and promptly within the 20-day Superior Court response time. Later papers go to the attorney of record or the party, by hand, mail, or limited email (Rule 5(b)); filing represents service, no further proof usually needed. Federal and foreign service follow separate rules not covered here. Never misstate the sworn proof. Attorney review is available.

Key Things to Know

1
The summons and complaint must be served by a sheriff, deputy sheriff, or special sheriff; a constable bonded with the town, serving only up to the dollar limits of the bond; another person duly authorized by law; or a person the court specially appoints under Mass. R. Civ. P. 4(c). Massachusetts has no general adult non-party service option and no separate numbered proof-of-service form: the Return of Service prints on the back of the court-issued summons, and that court form controls: the original summons, not a copy, with the signed Return must be filed.
2
A party to the case cannot serve their own summons. Rule 4(c) lists only sheriffs, deputies, and special sheriffs; persons otherwise authorized by law such as a town constable; or persons the court specially appoints, and official Massachusetts guidance treats hiring an authorized server as the plaintiff's responsibility.
3
A sheriff, deputy sheriff, or special sheriff proves service with a signed Return alone; Rule 4(f) exempts these three officer categories from any affidavit requirement. Anyone else who serves, such as a constable or a court-appointed special process server, must instead make an affidavit, which official Massachusetts guidance describes as signed under the pains and penalties of perjury.
4
A constable's authority to serve is capped by the bond filed with the town; a constable bonded at $5,000 may serve process for claims up to $7,000 (G.L. c. 41, § 92).
5
Ordinary mail alone does not serve an individual or private entity in Massachusetts. Certified or registered mail is authorized only for the Commonwealth, its agencies, political subdivisions, and authorities or boards (Rule 4(d)(3)-(5)), and for out-of-state defendants by a form of mail requiring a signed receipt (Rule 4(e)(3)).
6
A cooperative defendant may sign the original summons under Acceptance of Service before a notary public instead of being formally served, a notarized shortcut printed directly on the Massachusetts summons.
7
Service of the summons and complaint must be completed within 90 days after the complaint is filed, or the action is dismissed without prejudice unless good cause is shown (Rule 4(j)). The signed Return, receipt, or affidavit must be filed within that same 90-day window, and Rule 4(f) separately requires filing it promptly and within the time the served party has to respond, 20 days in Superior Court.

Key decisions before you file

Before you file a Proof of Service in Massachusetts, a few decisions shape the document: which option to choose and what each one means. The Proof of Service guide walks through them.

Open the Proof of Service guide

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[COURT NAME] COURT, [COUNTY] COUNTY, MASSACHUSETTS

CIVIL ACTION NO. [CASE NUMBER]

[PLAINTIFF NAME], Plaintiff, v. [DEFENDANT NAME], Defendant.

RETURN OF SERVICE / PROOF OF SERVICE OF PROCESS

Massachusetts has no separate numbered proof-of-service form. This proof states the information Mass. R. Civ. P. 4 requires and mirrors the Return of Service box printed on the back of the court-issued summons. That court form is mandatory and controls: the original summons (not a copy) with the signed Return of Service, signed receipt, or affidavit must be filed with the court.

OFFICER'S RETURN

[IF APPLICABLE: I am a sheriff, deputy sheriff, or special sheriff. On [DATE OF SERVICE] at [TIME OF SERVICE], I served a copy of the Summons and Complaint, together with [LIST OF ADDITIONAL PAPERS SERVED, IF ANY], on [NAME OF PERSON OR ENTITY SERVED] by [PERSONAL DELIVERY, LEAVING COPIES AT THE DEFENDANT'S LAST AND USUAL PLACE OF ABODE, OR DELIVERY TO AN OFFICER, MANAGING OR GENERAL AGENT, OR PERSON IN CHARGE AT THE DEFENDANT'S MASSACHUSETTS PLACE OF BUSINESS], at [ADDRESS OR PLACE OF SERVICE], as Mass. R. Civ. P. 4(d) requires. No affidavit is required of this Return, as Mass. R. Civ. P. 4(f) provides.]

NON-OFFICER AFFIDAVIT

[IF APPLICABLE: I, [NAME OF SERVER], am a constable bonded with the town of [TOWN OF APPOINTMENT], Massachusetts, acting within the dollar limits of my bond as G.L. c. 41, § 92 requires, OR I was specially appointed by the court in this action under Mass. R. Civ. P. 4(c) to make this service. On [DATE OF SERVICE] at [TIME OF SERVICE], I served a copy of the Summons and Complaint, together with [LIST OF ADDITIONAL PAPERS SERVED, IF ANY], on [NAME OF PERSON OR ENTITY SERVED] by [PERSONAL DELIVERY, LEAVING COPIES AT THE DEFENDANT'S LAST AND USUAL PLACE OF ABODE, OR DELIVERY TO AN OFFICER, MANAGING OR GENERAL AGENT, OR PERSON IN CHARGE AT THE DEFENDANT'S MASSACHUSETTS PLACE OF BUSINESS], at [ADDRESS OR PLACE OF SERVICE]. I make this affidavit under the pains and penalties of perjury.]

MAIL SERVICE

[IF APPLICABLE: I mailed a copy of the Summons and Complaint to [NAME OF GOVERNMENTAL ENTITY OR OUT-OF-STATE DEFENDANT] by certified or registered mail, or another form of mail requiring a signed receipt, on [DATE MAILED], as Mass. R. Civ. P. 4(d)(3) through 4(d)(5) or 4(e)(3) requires. The signed receipt is attached to this proof.]

ACCEPTANCE OF SERVICE

[IF APPLICABLE: The defendant signed the original summons where it says Acceptance of Service, in the presence of a notary public. That signed original summons is filed with the court; no separate acceptance sheet is used.]

SERVER SIGNATURE

[SIGNATURE OF SERVER] [NAME OF SERVER] [ADDRESS OF SERVER] [CITY, MASSACHUSETTS ZIP] Official capacity, if any: [OFFICIAL CAPACITY OF SERVER]

CERTIFICATE OF SERVICE OF LATER PAPERS

[IF APPLICABLE: I certify that on [DATE], I served a copy of [NAME OF DOCUMENT] on [NAME OF PARTY OR ATTORNEY OF RECORD] by hand delivery, by leaving a copy at the office with a clerk or person in charge, by leaving a copy at the dwelling with a person of suitable age and discretion because the office was closed or there is no office, by mail to the last known address, or by email as Mass. R. Civ. P. 5(b)(1) permits, at [ADDRESS OR EMAIL ADDRESS], as Mass. R. Civ. P. 5(b) requires.

[SIGNATURE] [NAME]]

Massachusetts Requirements for Proof of Service

No General Private-Party Service Option
Mass. R. Civ. P. 4(c) limits who may serve a summons to a sheriff, deputy sheriff, or special sheriff; a person otherwise authorized by law, such as a town constable; or a person the court specially appoints. There is no provision letting any adult non-party serve process.
Party Barred From Serving the Summons
A party to the case cannot serve their own summons. Official Massachusetts guidance treats hiring a sheriff, constable, or court-appointed special process server as the plaintiff's responsibility.
Constable Service Limited by Bond
A constable must file a bond with the town and may serve process only up to the dollar limits of that bond; a constable bonded at $5,000 may serve process for claims up to $7,000 (G.L. c. 41, § 92).
Officer Return Versus Non-Officer Affidavit
A sheriff, deputy sheriff, or special sheriff proves service with a signed Return alone; Rule 4(f) exempts them from any affidavit requirement. Anyone else who serves must instead make an affidavit, which official Massachusetts guidance describes as signed under the pains and penalties of perjury.
No Separate Numbered Proof-of-Service Form
Massachusetts has no standalone numbered proof-of-service form. The Return of Service is printed on the back of the court-issued summons, and that court form controls: the original summons, not a copy, with the signed Return must be filed.
Ordinary Mail Alone Does Not Serve a Summons
Certified or registered mail is authorized only for the Commonwealth, its agencies, political subdivisions, and authorities or boards (Mass. R. Civ. P. 4(d)(3)-(5)), and for out-of-state defendants by a form of mail requiring a signed receipt (Mass. R. Civ. P. 4(e)(3)). Ordinary mail alone does not serve an individual or private entity.
Acceptance of Service Before a Notary
A cooperative defendant may sign the original summons under Acceptance of Service before a notary public instead of being formally served, a shortcut printed directly on the Massachusetts summons.
90-Day Deadline to Serve and File Proof
Service must be completed within 90 days after the complaint is filed, or the action is dismissed without prejudice absent good cause (Mass. R. Civ. P. 4(j)). The signed Return, receipt, or affidavit must be filed within that same 90-day window, and promptly within the time the served party has to respond, 20 days in Superior Court.
Certificate of Service Rarely Required for Later Papers
Under Mass. R. Civ. P. 5(d)(1), filing a later paper represents that it has been or will be served, and no further proof is required unless an adverse party raises a question of notice, at which point a signed statement or written acknowledgment must be filed.

Find out where you stand in Massachusetts

Introduction

Key Things to Know

Key decisions before you file

Customize your Proof of Service Template with DocDraft

Massachusetts Requirements for Proof of Service

No General Private-Party Service Option

Party Barred From Serving the Summons

Constable Service Limited by Bond

Officer Return Versus Non-Officer Affidavit

No Separate Numbered Proof-of-Service Form

Ordinary Mail Alone Does Not Serve a Summons

Acceptance of Service Before a Notary

90-Day Deadline to Serve and File Proof

Certificate of Service Rarely Required for Later Papers

Frequently Asked Questions