Boston does not have a comprehensive dark sky ordinance. Outdoor lighting is regulated through the zoning code for commercial and development projects, which may require full cutoff fixtures and shielded lighting. Residential outdoor lighting is largely unregulated beyond general nuisance provisions.
Boston does not have a standalone dark sky ordinance comparable to those in some western U.S. cities. Outdoor lighting for new commercial development and large projects reviewed by the BPDA is subject to site plan lighting requirements that may include full cutoff fixtures to minimize light pollution. The Boston Zoning Code requires that commercial and industrial lighting not cause glare on adjacent residential properties or public ways. Massachusetts does not have a statewide dark sky law. For residential properties, outdoor lighting is regulated primarily through nuisance provisions — excessive light that unreasonably interferes with a neighbor's use and enjoyment of their property may be addressed as a nuisance complaint through 311. Street lighting in Boston is managed by the Public Works Department and has been transitioning to LED fixtures with better directional control. Boston Landmarks Commission may review exterior lighting in historic districts for design compatibility.
No specific dark sky fines. Commercial lighting that causes glare on residential properties can result in zoning enforcement through the BPDA. Excessive residential lighting causing nuisance may be addressed through 311 complaints and ISD. Historic district lighting violations carry Landmarks Commission penalties.
Boston, MA
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Boston, MA
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Boston, MA
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Boston, MA
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Boston, MA
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Boston, MA
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