New Hampshire 2026 Regular Session

New Hampshire House Bill HB1625

Introduced
12/10/25  
Refer
12/10/25  

Caption

Relative to annual reporting on accessory dwelling unit construction and use.

Impact

The implications of HB1625 suggest a significant expansion of the data collection and reporting capabilities of the Department of Business and Economic Affairs. Currently, the department lacks the resources to gather comprehensive data on ADU constructions across the state, which encompasses 234 municipalities and several unincorporated areas. The bill is expected to incur additional costs associated with hiring new staff to fulfill the expansive reporting requirements, with estimates ranging from $100,000 to $500,000 necessary for implementation.

Summary

House Bill 1625 (HB1625) aims to enhance the understanding and utilization of accessory dwelling units (ADUs) within New Hampshire. The bill mandates the office of planning and development to compile an annual report detailing various aspects of ADUs, including their types, occupancy statuses, levels of affordability, and usage patterns. This initiative is seen as a critical step to support state and local planning for housing growth and development, particularly in response to ongoing housing shortages and demands for affordable living options.

Sentiment

Reactions to HB1625 have largely been favorable, particularly among those advocating for increased housing availability and improved urban planning strategies. Proponents believe that accurate data on ADUs will systematically inform better policy decisions and enhance the state's ability to address local housing needs effectively. However, the sentiment could shift among budget-conscious stakeholders who may view the financial implications of increased expenditures as a potential drawback.

Contention

Notable points of contention surrounding the bill involve the fiscal responsibilities tied to its enforcement. Critics may argue that with the bill not providing direct funding or new positions initially, there is concern about the long-term viability and sustainability of its implementation. Additionally, the necessity of obtaining and maintaining reliable data on ADUs raises questions regarding the allocation of state resources, which may lead to debates on prioritizing housing issues against other pressing state concerns.

Companion Bills

No companion bills found.

Previously Filed As

NH HB604

Relative to a loan forgiveness program for low-income homeowners to build new accessory dwelling units or renovate existing structures into accessory dwelling units.

NH HB457

Relative to zoning restrictions on dwelling units.

NH HB274

Relative to the verification of voter rolls annually.

NH SB27

Relative to dwellings over water.

NH SB221

Relative to the verification of voter rolls annually.

NH HB685

Permitting in all residentially zoned areas by right the construction of manufactured housing.

NH HB65

Directing landlords to offer tenants the option of reporting rental payments to consumer reporting agencies.

NH HB577

Relative to modifying the definition of ADUs.

NH HB623

Relative to prohibiting corporations from purchasing single-family homes for a certain amount of time.

NH SB241

Relative to construction of a public pier on Hampton Beach and making an appropriation therefor.

Similar Bills

No similar bills found.