Zoning Overlays & Bonuses in Nashua, NH (2026)
2 verified zoning overlays & bonuses rules for Nashua, New Hampshire, sourced directly from the municipal code and official government pages.
Verified from official government sources
Density Bonus Law
Nashua's inclusionary zoning ordinance grants a bonus density ratio for developments that provide required on-site affordable units, letting builders add market-rate units above the base zoning cap in exchange for affordable housing.
Nashua Density Bonus for Affordable Housing
Some RestrictionsNashua Revised Ordinances § 190-48(E)
Any development that provides required affordable units as outlined in this section is eligible for a bonus density ratio as listed in Table 48-1. This ratio is an additional number of market rate units that may be built in proportion to the total number of on-site required affordable units. Off-site units or fees-in-lieu do not count towards this total.
Downtown Design Guide
Nashua's D-1 and D-3 Downtown Districts require storefront transparency, street-oriented entrances and facade articulation on every new building or addition.
Nashua Downtown Design Standards
Some RestrictionsNashua Revised Ordinances § 190-20B(3)(c)
Between 60% to 90% of the length, and at least 50% of the surface, of the first floor street frontage shall be in transparent public entrances or windows (including retail display windows). Between 10% to 50% of the surface of the front facade for each floor above the first floor street frontage shall be in transparent windows. At least one public entrance, such as a doorway, shall be accessibl...