Trump Order Targets Environmental Reviews and ‘Green’ Standards to Speed Suburban Homebuilding

The fallow field on the edge of a booming Sunbelt suburb has been mapped out on paper a dozen times: a grid of cul-de-sacs, starter homes and a small commercial strip. Each time, the project stalled in a thicket of stormwater permits, wetlands reviews and building-code requirements.

This month, President Donald Trump promised builders like the one behind that subdivision that the federal government would start clearing the way.

On March 13, Trump signed an executive order titled “Removing Regulatory Barriers to Affordable Home Construction,” a sweeping directive that reaches into environmental law, housing programs and federal tax policy. The order instructs more than a dozen agencies to pare back rules that govern where and how homes are built, with an explicit focus on speeding and cheapening construction of single-family houses, particularly in suburban and exurban areas.

“Layers of unnecessary regulatory barriers, slow permitting processes, and onerous mandates at all levels of government have delayed construction, restricted development, and driven up the costs of new housing,” the order states. “It is the policy of my Administration to reduce regulatory barriers to building homes and to steward taxpayer dollars in a manner that promotes housing affordability.”

The move comes as policymakers across the political spectrum struggle with a nationwide housing shortage and soaring prices. It also intensifies a long-simmering conflict between efforts to expand homebuilding and federal climate, environmental and historic-preservation protections that often shape development.

Targeting water rules, environmental reviews and “green” standards

The order’s most far-reaching instructions are aimed at environmental and energy regulations that have long governed residential development.

The Environmental Protection Agency and the Army Corps of Engineers are directed to review and revise requirements affecting stormwater discharges from construction sites, including the federal Construction General Permit; water-quality cleanup plans, known as total maximum daily loads, for polluted rivers and lakes; and stormwater conditions in municipal separate storm sewer system permits.

The agencies are also told to revisit how they implement Section 404 of the Clean Water Act, the federal program that regulates the filling of wetlands and other “waters of the United States,” and the standards for states and tribes that choose to assume that permitting authority.

The stated aim is to “reduce construction and ownership costs, streamline decision-making, reduce property tax burdens, and increase insurability,” so long as changes remain consistent with existing law.

At the same time, the Council on Environmental Quality is instructed to issue guidance under the National Environmental Policy Act (NEPA) that maximizes the use of categorical exclusions—a form of streamlined review—for housing construction, preservation, adaptive reuse projects such as office-to-residential conversions, and related infrastructure like roads, sewers and water lines.

The Advisory Council on Historic Preservation is told to make reviews under Section 106 of the National Historic Preservation Act “no more burdensome than necessary” for housing and associated infrastructure.

Environmental and preservation reviews under the Clean Water Act, NEPA and Section 106 have for decades been tools that can delay or reshape major developments, particularly in floodplains, wetlands and historic neighborhoods. Supporters say those processes protect communities and resources from the worst effects of growth. Builders argue that they often result in duplicative paperwork and years-long delays.

The executive order also takes aim at energy and “green” requirements tied to federally supported housing.

• The Department of Energy is instructed to revisit energy conservation standards for manufactured homes that industry groups have criticized as too costly.
• The Departments of Housing and Urban Development and Agriculture must re-examine efficiency rules attached to the housing they finance, which in recent years were moved toward more stringent model energy codes.

In addition, DOE’s role in reviewing model residential building energy codes, such as the International Energy Conservation Code, and the Federal Housing Finance Agency’s water and energy standards under its “duty to serve” mandate are placed under review.

The White House described these provisions as designed to curb “overly burdensome energy, water, and alternative-energy requirements” that it says have added tens of thousands of dollars to the cost of new homes.

Rewriting the federal housing playbook

Beyond environmental and energy rules, the March 13 order aims to redirect several housing, transportation and economic-development programs.

The Commerce, Housing and Transportation departments and the FHFA are instructed to identify and revise rules and guidance that “constrain residential development and impede housing affordability,” with an emphasis on “affordable single-family homes” in suburban and exurban communities.

Programs specifically cited include:

• the Economic Development Administration’s guidelines related to development density;
• the Department of Transportation’s Reconnecting Communities Pilot Program, which has funded highway caps, transit projects and street redesigns; and
• HUD’s Pathways to Removing Obstacles to Housing, a Biden-era grant competition that rewarded local governments for zoning reforms and streamlined permitting, often tied to denser, transit-oriented housing.

Under the new order, HUD must instead develop within 60 days a set of “regulatory best practices” for state and local governments that favor faster, lower-cost home construction.

Those practices include capping permitting timelines and fees; allowing “by-right” approval for many single-family projects; limiting retroactive application of new building codes; permitting third-party inspections; and cutting what the order calls “green-energy building requirements or other energy-choice restrictions” that increase costs.

The guidance is also expected to encourage jurisdictions to relax restrictions on manufactured and modular homes where similar site-built houses are allowed, and to loosen or eliminate tools such as urban growth boundaries and other growth controls that limit development outside city centers.

Once that blueprint is issued, HUD, the Agriculture Department, DOT and EPA are instructed to revise their own regulations and grant conditions to “incentivize jurisdictions” that adopt the recommended practices.

The effect would be to steer federal housing, infrastructure and environmental funds toward states and cities that embrace looser building codes, faster approvals and fewer constraints on exurban growth.

The order also asks the Treasury Department and HUD to examine how federal tax incentives can be brought to bear on single-family construction. Officials are directed to explore modifying Opportunity Zone rules and coordinating them with the New Markets Tax Credit program so that more investor capital flows into building and selling single-family homes in low-income and distressed census tracts.

Part of a broader housing and deregulation push

Trump’s directive arrives against the backdrop of a sizable housing shortfall, though estimates of its size vary. Researchers at Freddie Mac, the National Association of Home Builders and several think tanks have put the national deficit in the range of roughly 1.5 million to nearly 5 million homes, depending on methodology. NAHB’s analysis suggests that government regulations account for close to a quarter of the price of a typical new single-family house—about $93,870 in 2021.

Other forces—including short supplies of buildable lots, shortages of construction labor, higher land prices and elevated interest rates—have also constrained new construction. Industry surveys last year found many builders citing both lack of workers and local opposition to projects as major impediments.

The March 13 order is part of a broader housing and deregulation agenda in Trump’s second term.

In January, he signed an order aiming to limit bulk purchases of single-family homes by large investment firms, arguing that institutional buyers are crowding out would-be owner-occupants. On the same day as the housing construction order, he signed another directive calling on financial regulators and the FHFA to ease supervisory constraints on mortgage and construction lending by community banks and other institutions.

The White House has cast these steps as a coordinated effort to tackle what it calls “the housing affordability crisis” and to reverse policies it associates with the Biden administration. A fact sheet released the day of the housing construction order blamed “progressive policymakers at the state, local, and Federal level” for imposing mandates that “restricted supply, stalled construction, and driven up the cost of building a home.”

The timing is political as well as economic. The order was signed about eight months before the November midterm elections, as polls show housing costs and rents ranking high among voter concerns.

Support and opposition lining up

Homebuilders and industry-aligned groups have for years pushed for many of the changes outlined in the order, including revisions to DOE’s manufactured housing rules, greater use of categorical exclusions under NEPA and more flexible federal financing standards for lower-cost homes.

They argue that shortening government review timelines and dialing back some energy and environmental requirements will reduce carrying costs and risk for builders, making it easier to offer smaller, less expensive houses—including factory-built units—to first-time buyers.

Housing advocates and environmental organizations are still reviewing the details, but prior disputes over similar rollbacks suggest a different view is likely. Conservation groups have long warned that easing Clean Water Act wetlands protections and stormwater controls can increase flood damage and water pollution, especially as heavier rainstorms and rising seas alter risk patterns in coastal and riverine regions. Community and civil rights groups frequently rely on NEPA and historic-preservation reviews to challenge projects they say would harm low-income or minority neighborhoods.

Energy-efficiency advocates, meanwhile, have argued that stricter building standards produce long-term savings on utility bills and insurance that outweigh the added upfront cost, particularly for lower-income homeowners who spend a larger share of their income on energy.

State and local officials may also face new pressure. While the order does not preempt local zoning or building codes, conditioning federal grants and assistance on the adoption of certain “best practices” effectively forces a choice between maintaining stricter environmental and planning rules or competing for federal dollars with looser standards.

A test of what “affordable” means

For the developer eyeing that Sunbelt field, the success of Trump’s order will be measured in months shaved off permitting timelines and thousands of dollars cut from each lot.

For a young family priced out of new construction, it may be reflected in whether a starter home becomes affordable—and how far from jobs and transit it sits, how much the utility bills cost, and how it fares when the next major storm hits.

The order’s directives will take time to translate into concrete regulatory changes, and many are likely to face legal challenges. Agencies must draft new guidance and, in some cases, formal rules. States and local governments will have to decide whether to align their policies with the federal playbook.

As those decisions unfold, the country’s long-running debate over housing will increasingly hinge on a question the new order brings to the fore: whether making homes cheaper and faster to build should take precedence over environmental safeguards and climate resilience—and who ultimately bears the costs and benefits of that choice.