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1 New Section; Lot Sizes for Single-Family Residential Uses. Amend RSA 674 by inserting after section 18-a the following new section:
674:18-b Lot Sizes for Single-Family Residential Uses.
I. In a majority of land zoned to permit single-family residential uses in a municipality, for lots not serviced by municipal or community sewer infrastructure, no ordinance shall require lot sizes greater than 66,000 square feet for single-family residential uses. In determining the majority of land zoned for residential uses, the municipality shall include all areas zoned residential or any non-residential zoned areas that allow single-family homes.
II. For lots serviced by municipal or community water infrastructure, no ordinance shall require lot sizes greater than 44,000 square feet for single-family residential uses if there is adequate water system capacity to accommodate development on such lots, unless the municipality provides empirical evidence that the water system cannot support additional homes.
III. For lots serviced by municipal or community sewer infrastructure, no ordinance shall require lot sizes greater than 22,000 square feet for single-family residential uses if there is adequate sewage system capacity to accommodate development on such lots, unless the municipality provides empirical evidence that the sewer system cannot support additional homes.
IV. The requirements of this section shall not be construed to limit the potential for development of lots created prior to July 1, 2024.
V. Nothing in this section shall override or supersede applicable municipal zoning regulations unrelated to minimum lot sizes.
VI. Nothing in this section shall override or supersede applicable department of environmental services septic and well regulations, which may require applicants on a case-by-case basis to have larger lot sizes to meet these regulations.
2 Effective Date. This act shall take effect July 1, 2025.
Text to be added highlighted in green.
1 New Section; Lot Sizes for Single-Family Residential Uses. Amend RSA 674 by inserting after section 18-a the following new section:
674:18-b Lot Sizes for Single-Family Residential Uses.
I. In a majority of land zoned to permit single-family residential uses in a municipality, for lots not serviced by municipal or community sewer infrastructure, no ordinance shall require lot sizes greater than 66,000 square feet for single-family residential uses. In determining the majority of land zoned for residential uses, the municipality shall include all areas zoned residential or any non-residential zoned areas that allow single-family homes.
II. For lots serviced by municipal or community water infrastructure, no ordinance shall require lot sizes greater than 44,000 square feet for single-family residential uses if there is adequate water system capacity to accommodate development on such lots, unless the municipality provides empirical evidence that the water system cannot support additional homes.
III. For lots serviced by municipal or community sewer infrastructure, no ordinance shall require lot sizes greater than 22,000 square feet for single-family residential uses if there is adequate sewage system capacity to accommodate development on such lots, unless the municipality provides empirical evidence that the sewer system cannot support additional homes.
IV. The requirements of this section shall not be construed to limit the potential for development of lots created prior to July 1, 2024.
V. Nothing in this section shall override or supersede applicable municipal zoning regulations unrelated to minimum lot sizes.
VI. Nothing in this section shall override or supersede applicable department of environmental services septic and well regulations, which may require applicants on a case-by-case basis to have larger lot sizes to meet these regulations.
2 Effective Date. This act shall take effect July 1, 2025.