Massachusetts voters are set to decide on Question 7, a proposed ballot measure that would establish a statewide minimum lot size of 5,000 square feet for single-family homes, provided the lot has at least 50 feet of frontage on a public way and access to public water and sewer services. While supporters characterize the measure as an effort to legalize and increase the availability of starter homes, critics argue that it does not guarantee affordability for first-time buyers or address the state’s broader housing challenges.

The proposal aims to reduce minimum lot sizes in an effort to encourage more housing development. However, opponents contend that simply lowering lot size requirements does not inherently reduce home prices. The measure does not impose restrictions on the size, price, or luxury features of homes built on these smaller lots and lacks mechanisms such as price caps, income limits, or deed restrictions that are typically used to ensure affordable housing. Consequently, critics say, smaller lots in high-demand areas could lead to the construction of market-rate homes priced out of reach for many residents and may incentivize developers to replace existing affordable housing with more expensive properties.

Real estate industry funding behind the campaign has raised concerns that Question 7 primarily benefits developers rather than addressing the needs of families seeking affordable housing. Zillow listings illustrate this trend, with hundreds of single-family homes priced above $1 million on lots of 5,000 square feet or less within an hour of Boston City Hall.

Beyond affordability concerns, the measure also raises questions about the capacity of municipal infrastructure to handle increased density. Although the proposal requires lots to have access to public water and sewer lines, critics warn that many local systems are already nearing capacity. Infrastructure upgrades to accommodate more development—such as improvements to water treatment plants and sewage systems—can be costly and may ultimately fall on local taxpayers rather than developers.

Another major point of contention is the measure’s potential impact on local governance. Zoning authority has traditionally been exercised by Massachusetts’ 351 cities and towns, allowing communities to manage growth based on local considerations including roads, schools, environmental factors, and public safety. Question 7’s uniform mandate could override local zoning decisions, potentially undermining municipal planning expertise and reducing community input on development.

Proponents of rejecting the measure emphasize that voting no on Question 7 does not indicate opposition to increasing housing supply. Instead, they highlight existing local and state efforts as more effective and collaborative solutions. For example, over 165 communities have adopted zoning reforms near transit stations under the state’s MBTA Communities law to facilitate multifamily development. Some municipalities, such as Cambridge, incorporate inclusionary zoning to ensure new housing includes affordable units, while others use local funds to repurpose underutilized sites for affordable housing projects.

Federal and state programs also provide targeted support for housing affordability. The recently enacted bipartisan 21st Century Road to Housing Act offers a range of initiatives, and Massachusetts’ Move-In Mass program seeks to lower construction costs, a significant barrier to building affordable housing.

As the state grapples with its housing shortage, many experts advocate for nuanced approaches that combine financial support, infrastructure planning, and local oversight. Opponents argue that Question 7’s broad, top-down approach threatens to bypass these critical factors without delivering meaningful affordability improvements.