Zoning Overlays & Bonuses in Southborough, MA (2026)
2 verified zoning overlays & bonuses rules for Southborough, Massachusetts, sourced directly from the municipal code and official government pages.
Verified from official government sources
Density Bonus Law
In Southborough, a major residential development must set aside a minimum of 12.5% of its dwelling units as affordable housing. In return, the minimum lot area per dwelling unit is reduced enough to permit up to three additional units for each affordable unit, and the Planning Board can authorize a further discretionary increase of up to ten percent.
Southborough Density Bonus for Major Residential Development
Some RestrictionsSouthborough Code § 174-13.2(E)(4)(a), (F)(1)
(4) Incentive. To facilitate the objectives of this section, modifications to the dimensional requirements in the applicable zoning district shall be permitted for projects subject to the requirements of this section. The modifications shall be permitted as set forth below. (a) Density bonus. The minimum lot area per dwelling unit normally required in the applicable zoning district shall be r...
Downtown Design Guide
In Southborough's Downtown District, § 174-10.2 authorizes the Planning Board to adopt design guidelines and apply them to major site plan approval applications, whether or not a special permit is required. Where a use needs a special permit, the Planning Board issues it with §§ 174-9 and 174-10 and § 174-10.1(A) through (C) in force.
Southborough Downtown District Design Guidelines
Some RestrictionsSouthborough Code § 174-10.2
In the Downtown District, major site plan approval shall be by special permit from the Planning Board for any use requiring a special permit. In such cases, the procedural requirements and decision criteria of § 174-9 , § 174-10 , and 174-10.1(A) through (C) shall apply. The Planning Board may adopt design guidelines and apply them to major site plan approval applications regardless of whether ...