Planning and Public Space

Historic Preservation and Adaptive Reuse

How old buildings are identified, protected and given new uses, from historic registers and local review to the practical limits of reusing older structures.

On this page
  1. Two related ideas
  2. Why old buildings matter to planners
  3. How buildings are recognized
  4. How protection works
  5. Adaptive reuse in practice
  6. Common debates
  7. Safety and access
  8. Finding current information

Historic preservation is the effort to identify, protect and maintain buildings, districts and other places that have historic, architectural or cultural value. Adaptive reuse is the practice of giving an existing building a new function, such as turning a factory into apartments or a school into offices, instead of demolishing it.

The two overlap but are not the same. A building can be preserved as a museum with little change. A building can also be adapted for a new use with little regard for its history. Many projects try to do both, keeping important features while updating the building so it can be used today.

Why old buildings matter to planners

Older buildings are physical records of a community’s past. They often shape the character of a street, hold memory for the people who lived and worked near them, and anchor a sense of place. In older industrial cities, mills, warehouses, civic buildings and rowhouses may be some of the clearest reminders of the economy that built the city. The history behind these structures is discussed in articles on industrial Camden and on the city’s historic landmarks.

There are practical arguments too. An existing building represents materials and labor already invested. Reusing it can avoid some demolition waste, and older structures often have sturdy construction and features that are hard to match. Neighborhoods with older, smaller buildings can also support a mix of small businesses. These benefits vary building by building, and not every old structure is worth saving or is practical to reuse.

How buildings are recognized

Recognition is the first step, and it comes at several levels.

National Register of Historic Places. This is the federal list of properties considered worthy of preservation. It was established under the National Historic Preservation Act of 1966. Listing is mainly honorary and carries limited restrictions on private owners using private funds, though it can make a property eligible for certain tax incentives and triggers review when federal money or permits are involved.

State registers. New Jersey maintains its own register of historic places, administered through a state historic preservation office within the state environmental agency. Listing and review can be connected to state-funded or state-permitted projects.

Local designation. Municipalities can adopt ordinances creating historic landmarks or districts and set up a historic preservation commission. New Jersey’s land-use law allows local governments to do this as part of their land-use regulation. Local designation is usually where the strongest protections apply, such as review of exterior changes or demolition. The exact rules differ widely from town to town.

How protection works

Protection is not the same thing as recognition. Several mechanisms exist.

  • Design review. A local commission may review proposed exterior alterations, additions or demolition in a designated district and approve, modify or deny them according to adopted standards.
  • Demolition delay or review. Some places require a waiting period or special approval before a historic building can be demolished.
  • Easements. An owner can donate a preservation easement to a qualified organization, which restricts future changes to the property in exchange for possible tax benefits. The terms are legal and should be reviewed with professionals.
  • Incentives. Federal and state programs have offered tax credits or grants for rehabilitating qualifying historic buildings, though availability, eligibility and amounts change and should be confirmed with current sources.
  • Zoning tools. Zoning can allow flexible uses in historic buildings so that owners have a viable reason to keep them. The basics of how permitted uses work are covered in the discussion of zoning rules.

Adaptive reuse in practice

Reusing a building usually follows steps similar to other development, with some added challenges.

  1. Assess the structure. Engineers and architects review the foundations, frame, roof, windows and systems. Condition often determines whether reuse is realistic.
  2. Check the environment. Former industrial buildings may contain hazardous materials such as asbestos or lead paint, and the site may have soil contamination. These issues can be costly, as outlined in the article on brownfield redevelopment.
  3. Choose a use. The new use needs to fit the building’s layout, the neighborhood and the market. Large open floors suit some uses more than others.
  4. Update to current codes. Fire safety, accessibility and energy requirements apply, with some flexibility in many codes for existing buildings. Accessibility is a particular design challenge in older structures, and the standards are explained by agencies in detail.
  5. Secure approvals and financing. Reuse may need zoning relief, historic review and funding that combines private and public sources.
  6. Build and maintain. Older materials need appropriate repair methods, and ongoing upkeep is essential.

Typical new uses include housing, offices, studios, small workshops, schools, community or cultural space and mixed combinations. The right fit depends on each place.

Common debates

Preservation is often discussed warmly but raises real disagreements.

  • Cost. Rehabilitation can cost as much as or more than new construction, particularly for deteriorated buildings. Incentives may narrow the gap but do not always close it.
  • Whose history? A building may matter to some residents and not to others. Communities increasingly ask whose stories get recognized, including those of working people and immigrant communities, rather than only grand architecture.
  • Property rights and housing costs. Owners sometimes object to restrictions on what they can do with their property. Some argue that strict rules can limit housing supply or raise costs, while supporters say review protects shared heritage. Evidence and views differ.
  • Neighborhood change. Restored buildings can be associated with rising property values, which some residents welcome and others fear.
  • Authenticity. People disagree about how much to keep, restore or alter, and whether to retain just a facade.

Safety and access

Many vacant old buildings are structurally unsound or contain hazards. Entering closed or abandoned buildings is unsafe and often illegal, and nothing in this article should be read as encouragement to do so. Anyone interested in a building’s history can start with archives, photographs and public tours of sites that are officially open, and the topic of vacant buildings covers the history and context.

Finding current information

Whether a property is listed, what local rules apply and what incentives exist all depend on current law and local ordinance. The municipal planning office, the state historic preservation office and local historical organizations are good starting points. This article is general information and not legal or financial advice.

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