Bethlehem, NH: New State Housing Law Changes Commercial-Zone Review

New Hampshire’s commercial-zone housing mandate is now active, changing the legal framework that will apply to some multifamily housing proposals in Bethlehem. The law may make commercially zoned parcels more relevant to housing development, but it does not approve a specific Bethlehem project or eliminate local review.

What changed statewide

House Bill 1010, approved July 15, 2026, requires municipalities to allow multifamily dwelling units on commercially zoned land when adequate infrastructure is available. The law took effect July 1, 2026, at 12:01 a.m. If existing infrastructure is not adequate, the applicant may provide it in accordance with applicable regulations.

The infrastructure standard includes roads, water and sewage systems. Under the final bill, a planning board may require a traffic-impact study, examine whether road design can accommodate projected traffic, review sidewalks and pedestrian-safety infrastructure, require documentation of a public-water connection or compliant private water supply, and require documentation of a public-sewer connection where applicable.

That means the mandate is not an automatic approval. A planning board may deny an application if road design cannot support projected traffic, the development layout does not ensure pedestrian safety, the applicant cannot secure a reliable water source, or wastewater and sewage cannot be handled in accordance with regulations.

What remains local in Bethlehem

Bethlehem’s Planning Board remains the town body responsible for creating planning regulations and reviewing development applications. The town distinguishes that role from the Zoning Board of Adjustment, which handles matters such as special exceptions and variances.

Bethlehem’s zoning ordinance amended March 11, 2025, is the relevant pre-2026 local baseline. It states that new or expanded multifamily dwellings and nonresidential uses are subject to the town’s site-plan review regulations. The ordinance also includes standards involving public water and sewerage, parcel size, density, setbacks, parking, building height, landscaping and other site characteristics.

For multifamily development, the ordinance directs applicants to meet parking requirements in the town’s site-plan regulations and calls for review of matters including the ability of a site to support buildings, parking, walkways, landscaping, utilities, town services, streets and impacts on neighboring properties. Those local rules should not be described as a post-HB 1010 rewrite; they are the town’s existing baseline unless Bethlehem adopts or publishes later changes.

What HB 1588 adds

House Bill 1588, also approved July 15, places additional limits on local requirements for multifamily housing in commercial districts. For multifamily housing proposed in commercial districts, municipalities may impose frontage, setback and height requirements only if those requirements do not differ from what is allowed for commercial development. The law also says multifamily dwelling units must be allowed as a matter of right and that municipalities may not enforce additional requirements unless the statute authorizes them.

HB 1588 separately limits local accessory-parking rules by prohibiting more than one residential parking space per unit and prohibiting a requirement that the space be garaged. The law preserves applicable state fire, building and environmental requirements and expressly says it does not remove municipal authority to require site-plan review.

The relevant HB 1588 provisions are scheduled to take effect September 13, 2026. That later date matters: Bethlehem’s existing zoning rules should not be described as already invalid, and the town’s 2025 ordinance should not be treated as a completed post-law rewrite unless town records show one.

What residents should watch next

The immediate change is statewide. Bethlehem’s local consequences will depend on specific parcels, available infrastructure and future applications.

Residents, property owners, builders, renters and nearby businesses should watch Planning Board agendas, public-hearing notices, development applications, traffic studies, water-supply documentation, wastewater plans and any proposed amendments to Bethlehem’s zoning or site-plan rules. The town’s planning materials and public-hearing records are the main places to track formal local action.

For property owners and developers, the new law may create a stronger basis to propose multifamily housing in commercial districts. For neighbors and taxpayers, the practical questions will include traffic, pedestrian safety, water supply, wastewater disposal, road capacity and the cost or financing of infrastructure improvements. None of those questions has been resolved for a specific Bethlehem project by the state law itself.

Sources

• HB 1010 final bill text, New Hampshire General Court
• Bethlehem Planning and Zoning Board
• Bethlehem Zoning Ordinance, amended March 11, 2025
• Concord Monitor housing law report