Sign Regulations in Boston, Massachusetts

Boston, Massachusetts has specific sign regulations covering 48 sign types across 95 zoning districts. Regulated sign types include Free-standing Sign, Projecting Sign, Wall Sign (Parallel). Height restrictions apply. Permits are required for most commercial signs. Use PermitPal to get instant access to the complete regulations.

Data last verified: December 12, 2024

Sign Regulation Overview for Boston, Massachusetts

Sample Sign Requirements in Boston

Sign TypeMax HeightMax AreaSetback
Wall SignTop of sign no higher than the lowest of: 25 ft above grade; the top of the sills of the first level of windows above the first story; or the lowest point of the roof surface (except a one-story building with a continuous horizontal parapet may go to top of parapet).Total permanent sign area on a sign frontage = sign frontage (linear feet) × factor (see formula below); individual wall sign area counts toward the total.
Projecting Sign (Right Angle to Building)Bottom at least 10 ft above grade; top no higher than the lowest of: 25 ft above grade; the top of the sills of the first level of windows above the first story; or the lowest point of the roof surface (except one-story with continuous horizontal parapet may reach top of parapet).Max 24 sq ft per face; an additional 10 sq ft per face allowed if including a public service device such as time/temperature.
Window Sign (Permanent Interior, Non-Illuminated)30% of applicable window glass area

* Sample data shown. Actual requirements may vary by zone. Use PermitPal for complete, location-specific regulations.

PermitPal Coverage for BostonFull Coverage

Sign Types Covered

48

  • Free-standing Sign
  • Projecting Sign
  • Wall Sign (Parallel)
  • Projecting Sign (Right Angle to Building)
  • +2 more types

Zoning Districts

95

Different zoning districts with specific sign regulations

Data Includes

  • Permit requirements
  • Height restrictions
  • Illumination rules

Official Resources for Boston

City WebsiteMunicipal Code1 permit application link available

Frequently Asked Questions

In Boston, wall signs can be up to Top of sign no higher than the lowest of: 25 ft above grade; the top of the sills of the first level of windows above the first story; or the lowest point of the roof surface (except a one-story building with a continuous horizontal parapet may go to top of parapet).. Height limits vary by zoning district and sign type. Use PermitPal to get exact requirements for your specific location.

To get a sign permit in Boston, submit an application to the local building or planning department with sign dimensions, location, and design specifications. Our data confirms permits are required for most commercial signs. Processing typically takes 1-4 weeks. PermitPal helps you identify specific requirements and prepare complete applications.

In Boston, regulated sign types include Free-standing Sign, Projecting Sign, Wall Sign (Parallel), Projecting Sign (Right Angle to Building), and 2 more types. Most commercial signs require permits. Temporary signs and certain small signs may be exempt. Use PermitPal for specific exemptions.

Sign setback requirements in Boston vary by zone and sign type, typically ranging from 5-15 feet from property lines. Use PermitPal for specific setback requirements at your location.

Digital and LED signs in Boston are regulated with specific requirements for brightness, animation, and message duration. Boston has documented illumination rules in our database. Use PermitPal to see the exact requirements for electronic message centers.

AI-Powered Research

Ready to Research Boston Sign Permits?

Stop spending hours searching through municipal codes. Get instant access to Boston, Massachusetts sign regulations with PermitPal's AI-powered platform.

No credit card required · Get results in seconds

Boston, Massachusetts Sign Rules at a Glance

Boston, Massachusetts regulates 48 sign types across 95 zoning districts. Name/Address Signs in the Residential Districts - General (ARTUNDERLYING-ZONING_R-0.8) zoning district are capped at 4 ft if on rod/post tall and 2 sq ft total area, with a at least 3 ft from street line. setback (Sec. Article 11 §11-1(a)). Most commercial signs in Boston require a permit.

Detailed Sign Ordinance Requirements for Boston, Massachusetts

Sign Rules by Zoning District in Boston (95 zones)

Zoning DistrictSign Types RegulatedMax HeightMax AreaPermit Required
Mixed Use Districts (ART26_S0)7Top of sign no higher than the lowest of: 25 ft above grade; the top of the sills of the first level of windows above the first story; or the lowest point of the roof surface (except a one-story building with a continuous horizontal parapet may go to top of parapet).30% of applicable window glass area
Mixed Use Districts (ART26_S1)7Top of sign no higher than the lowest of: 25 ft above grade; the top of the sills of the first level of windows above the first story; or the lowest point of the roof surface (except a one-story building with a continuous horizontal parapet may go to top of parapet).30% of applicable window glass area
Mixed Use Districts (ART26_S2)7Top of sign no higher than the lowest of: 25 ft above grade; the top of the sills of the first level of windows above the first story; or the lowest point of the roof surface (except a one-story building with a continuous horizontal parapet may go to top of parapet).30% of applicable window glass area
Mixed Use Districts (ART26_S3)7Top of sign no higher than the lowest of: 25 ft above grade; the top of the sills of the first level of windows above the first story; or the lowest point of the roof surface (except a one-story building with a continuous horizontal parapet may go to top of parapet).30% of applicable window glass area
Mixed Use Districts (ART26_S4)7Top of sign no higher than the lowest of: 25 ft above grade; the top of the sills of the first level of windows above the first story; or the lowest point of the roof surface (except a one-story building with a continuous horizontal parapet may go to top of parapet).30% of applicable window glass area
Mixed Use Districts (ART26_S5)7Top of sign no higher than the lowest of: 25 ft above grade; the top of the sills of the first level of windows above the first story; or the lowest point of the roof surface (except a one-story building with a continuous horizontal parapet may go to top of parapet).30% of applicable window glass area
SC (Mixed Use District)7Top of sign no higher than the lowest of: 25 ft above grade; the top of the sills of the first level of windows above the first story; or the lowest point of the roof surface (except a one-story building with a continuous horizontal parapet may go to top of parapet).30% of applicable window glass area
S3-6 (Mixed Use District)7Top of sign no higher than the lowest of: 25 ft above grade; the top of the sills of the first level of windows above the first story; or the lowest point of the roof surface (except a one-story building with a continuous horizontal parapet may go to top of parapet).30% of applicable window glass area
Residential Districts - General (ARTUNDERLYING-ZONING_R-0.8)104 ft if on rod/post32 sq ft total area
Apartment Residential Districts (ARTUNDERLYING-ZONING_H-1-50)104 ft if on rod/post32 sq ft
Apartment Residential Districts (ARTUNDERLYING-ZONING_H-1)104 ft if on rod/post32 sq ft
Apartment Residential Districts (ARTUNDERLYING-ZONING_H-2-65)104 ft if on rod/post32 sq ft
Apartment Residential Districts (ARTUNDERLYING-ZONING_H-2)104 ft if on rod/post32 sq ft
Apartment Residential Districts (ARTUNDERLYING-ZONING_H-3-65)104 ft if on rod/post32 sq ft
Apartment Residential Districts (ARTUNDERLYING-ZONING_H-3)104 ft if on rod/post32 sq ft
Apartment Residential Districts (ARTUNDERLYING-ZONING_H-4)104 ft if on rod/post32 sq ft
Apartment Residential Districts (ARTUNDERLYING-ZONING_H-5)104 ft if on rod/post32 sq ft
Business Districts - Local (ARTUNDERLYING-ZONING_L-0.5)9Top of sign no higher than the lowest of: 25 ft above grade; first level window sill line above first story; or lowest point of roof (or top of continuous parapet for one-story).If one use on lot: up to 65 sq ft per face; if two or more uses: up to 125 sq ft per face.
Business Districts - Local (ARTUNDERLYING-ZONING_L-1)9Top of sign no higher than the lowest of: 25 ft above grade; first level window sill line above first story; or lowest point of roof (or top of continuous parapet for one-story).If one use on lot: up to 65 sq ft per face; if two or more uses: up to 125 sq ft per face.
Business Districts - Local (ARTUNDERLYING-ZONING_L-2-65)9Top of sign no higher than the lowest of: 25 ft above grade; first level window sill line above first story; or lowest point of roof (or top of continuous parapet for one-story).If one use on lot: up to 65 sq ft per face; if two or more uses: up to 125 sq ft per face.
Business Districts - Local (ARTUNDERLYING-ZONING_L-2)9Top of sign no higher than the lowest of: 25 ft above grade; first level window sill line above first story; or lowest point of roof (or top of continuous parapet for one-story).If one use on lot: up to 65 sq ft per face; if two or more uses: up to 125 sq ft per face.
Business Districts - General (ARTUNDERLYING-ZONING_B-1)9Top of sign no higher than the lowest of: 25 ft above grade; first level window sill line above first story; or lowest point of roof (or top of continuous parapet for one-story).If one use on lot: up to 65 sq ft per face; if two or more uses: up to 125 sq ft per face.
Business Districts - General (ARTUNDERLYING-ZONING_B-2)9Top of sign no higher than the lowest of: 25 ft above grade; first level window sill line above first story; or lowest point of roof (or top of continuous parapet for one-story).30% of window glass area
Business Districts - General (ARTUNDERLYING-ZONING_B-3-65)9Top of sign no higher than the lowest of: 25 ft above grade; first level window sill line above first story; or lowest point of roof (or top of continuous parapet for one-story).30% of window glass area
Business Districts - General (ARTUNDERLYING-ZONING_B-4)9Top of sign no higher than the lowest of: 25 ft above grade; first level window sill line above first story; or lowest point of roof (or top of continuous parapet for one-story).30% of window glass area
Business Districts - General (ARTUNDERLYING-ZONING_B-6-90A)9Top of sign no higher than the lowest of: 25 ft above grade; first level window sill line above first story; or lowest point of roof (or top of continuous parapet for one-story).30% of window glass area
Business Districts - General (ARTUNDERLYING-ZONING_B-6-90B)9Top of sign no higher than the lowest of: 25 ft above grade; first level window sill line above first story; or lowest point of roof (or top of continuous parapet for one-story).30% of window glass area
Business Districts - General (ARTUNDERLYING-ZONING_B-8-120A)9Top of sign no higher than the lowest of: 25 ft above grade; first level window sill line above first story; or lowest point of roof (or top of continuous parapet for one-story).30% of window glass area
Business Districts - General (ARTUNDERLYING-ZONING_B-8-120B)9Top of sign no higher than the lowest of: 25 ft above grade; first level window sill line above first story; or lowest point of roof (or top of continuous parapet for one-story).30% of window glass area
Business Districts - General (ARTUNDERLYING-ZONING_B-8-120C)9Top of sign no higher than the lowest of: 25 ft above grade; first level window sill line above first story; or lowest point of roof (or top of continuous parapet for one-story).30% of window glass area
65 more zones in PermitPal — start free

Zone-by-Zone Sign Requirements in Boston(sample of 3 of 95 zones)

Residential Districts - General (ARTUNDERLYING-ZONING_R-0.8)

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
Name/Address Sign4 ft if on rod/post2 sq ft total areaIf freestanding on a rod/post: at least 3 ft from street line.1 per lotAttached to the building or on a rod/post on the lot.UnlockArticle 11 §11-1(a)
Bulletin/Announcement Board, Name Sign, or Entrance Marker (Church or Institution)20 sq ft per sign1 by right; up to 3 with long frontage per formulaOn the lot of the church or institution.UnlockArticle 11 §11-1(b)
Real Estate Sign (For Sale/For Rent)8 sq ft1On the property being advertised.UnlockArticle 11 §11-1(c)
Contractor/Developer Sign (During Construction)32 sq ft total area1On the lot under construction.UnlockArticle 11 §11-1(d)
Subdivision/Tract Entrance Sign20 sq ft per entrance1 per entranceAt each entrance to the tract.UnlockArticle 11 §11-1(e)
Accessory Sign to Nonconforming UseUp to 1/2 of the area allowed in non-residential districts under §11-2 for a comparable sign type and frontage.On the lot with the nonconforming use.UnlockArticle 11 §11-1(f) and §11-2 illumination
Official/Government/Utility/Danger/Transit SignAs installed by public officers or utilities.UnlockArticle 11 §11-1(g)-(h)
Temporary Campaign/Civic/Health/Safety/Welfare DisplayOn-premise displaysUnlockArticle 11 §11-1(i)

Apartment Residential Districts (ARTUNDERLYING-ZONING_H-1-50)

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
Name/Address/Professional Identification Sign (H District allowance)4 ft if on rod/post2 sq ft total area3 ft minimum from street line if freestanding.1 per lotAttached to the building or on a rod/post at least 3 ft in from the street line if freestanding.UnlockArticle 11 §11-1(a) (H district provision)
Bulletin/Announcement Board, Name Sign, or Entrance Marker (Church or Institution)20 sq ft per signUp to 3 per frontage formulaOn the lot of the church or institution.UnlockArticle 11 §11-1(b)
Real Estate Sign (For Sale/For Rent)8 sq ft1On the subject property.UnlockArticle 11 §11-1(c)
Contractor/Developer Sign (During Construction)32 sq ft1On the lot under construction.UnlockArticle 11 §11-1(d)
Subdivision/Tract Entrance Sign20 sq ft per entrance1 per entranceAt entrances to tract of building lots.UnlockArticle 11 §11-1(e)
Accessory Sign to Nonconforming UseUp to 1/2 of the area allowed in non-residential districts under §11-2 for comparable sign type.On the lot with the nonconforming use.UnlockArticle 11 §11-1(f); §11-2 illumination
Official/Government/Utility/Danger/Transit SignAs installed.UnlockArticle 11 §11-1(g)-(h)
Temporary Campaign/Civic/Health/Safety/Welfare DisplayOn-premise displaysUnlockArticle 11 §11-1(i)

Apartment Residential Districts (ARTUNDERLYING-ZONING_H-1)

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
Name/Address/Professional Identification Sign (H District allowance)4 ft if on rod/post2 sq ft total area3 ft minimum from street line if freestanding.1 per lotAttached to the building or on a rod/post at least 3 ft in from the street line if freestanding.UnlockArticle 11 §11-1(a) (H district provision)
Bulletin/Announcement Board, Name Sign, or Entrance Marker (Church or Institution)20 sq ft per signUp to 3 per frontage formulaOn the lot of the church or institution.UnlockArticle 11 §11-1(b)
Real Estate Sign (For Sale/For Rent)8 sq ft1On the subject property.UnlockArticle 11 §11-1(c)
Contractor/Developer Sign (During Construction)32 sq ft1On the lot under construction.UnlockArticle 11 §11-1(d)
Subdivision/Tract Entrance Sign20 sq ft per entrance1 per entranceAt entrances to tract of building lots.UnlockArticle 11 §11-1(e)
Accessory Sign to Nonconforming UseUp to 1/2 of the area allowed in non-residential districts under §11-2 for comparable sign type.On the lot with the nonconforming use.UnlockArticle 11 §11-1(f); §11-2 illumination
Official/Government/Utility/Danger/Transit SignAs installed.UnlockArticle 11 §11-1(g)-(h)
Temporary Campaign/Civic/Health/Safety/Welfare DisplayOn-premise displaysUnlockArticle 11 §11-1(i)

PermitPal covers all 95 zoning districts in Boston — full sign requirements for every zone, plus illumination rules, size formulas, and permit requirements for every sign type — with a free account.

See all 95 zones for Boston — start free

Prohibited Signs in Boston

  • No sign may be reconstructed, extended, structurally changed, changed in content, or replaced except in accordance with Article 11; repairs to a nonconforming sign are limited to 35% of the sign’s replacement cost, except that an electric time-and-temperature component integral to a nonconforming sign may be repaired or replaced without a cost cap.
  • Electronic signs are forbidden citywide, except as conditional uses only within the Theater District, Lansdowne Street Entertainment District, and the Seaport Convention Center District.

Exempt Signs in Boston

  • Official public notices and notices posted by public officers in the performance of their duties.
  • Government signs for traffic control and other regulatory purposes, street signs, danger signs, railroad crossing signs, signs indicating transit stops or entrances to transit or railroad stations, and public service company signs indicating danger or aids to service and safety.
  • Temporary, non-structural display posters for political campaigns and for noncommercial civic, health, safety, and welfare campaigns, provided they are removed within 30 days following the conclusion of the campaign; temporary displays of a patriotic, religious, charitable, or civic nature.
  • Legal display of flags, emblems, and insignia of any nation or political subdivision.
  • Historical or scenic markers approved by a recognized historical or conservation agency.

Sign Permit Fees & Timelines in Boston

ItemDetailsCitation
Sign permits (Short-Form Building Permit)$20.00 primary fee plus $10.00 per $1,000.00 of the estimated cost of work.ISD Building Division Fee Schedule (May 2023)
Standard ReviewNo published timeline. Contact ISD directly: 617-635-5300 or isd@boston.gov. (starts when Sign permit application submitted to ISD)
See all Boston sign permit fees & timelines — start free

Source: municode municipal code