Somerville Code of Ordinances ch. 7, art. I § 7-1

(a) An owner of a dwelling which is rented for residential use, who does not reside therein and who does not employ a manager or agent for such dwelling who resides therein, shall post and maintain or cause to be posted and maintained on such dwelling adjacent to the mailboxes for such dwelling or elsewhere in the interior of such dwelling in a location on the entry level visible to the residents and reasonably likely to be readily accessed by the residents a notice, constructed of durable material, not less than 20 square inches in size, bearing his or her name, address and telephone number. If the owner is a realty trust or partnership, the name, address and telephone number of the managing trustee or partner shall be posted. If the owner is a corporation, the name, address and telephone number of the president of the corporation shall be posted.
Where the owner employs a manager or agent who does not reside in such dwelling, such manager or agent's name, address and telephone number shall also be included in the notice.

All notices pursuant to this section shall include a statement, on a form prescribed by the city, that a tenant who believes that there is a health code, building code, fire code, or sanitary code violation may arrange for a code inspection by contacting the City of Somerville Constituent Service Department. Such notice shall provide the phone number and address for the City of Somerville Constituent Service Department.

(b) Enforcement. The penalty for violation of any provision of this section shall be in accordance with section 1-11 (b) of the Somerville Code of Ordinances. Each day on which a violation exists shall be deemed a separate violation. There shall be at least seven days between violations issued for offenses in violation of the provisions of this section. The provisions of this section may be enforced in accordance with the noncriminal disposition process of M.G.L. c. 40, § 21D, provided that this section shall not preclude the City of Somerville from proceeding to restrain a violation by injunction. The superintendent of ISD may promulgate written rules and regulations necessary to implement and enforce the provisions of this section.

(c) Effective date of section. This section shall take effect 60 days from the date of passage.