Terminology
Root Causes
Types of Vacancy
Policy Tools & Approaches
Reading Specifics
100

A building or parcel that is unoccupied but still legally owned, maintained, or in transition.

What is a Vacant Property?

100

Job loss and deindustrialization. Lower incomes cause lower demand.

What is Economic Shift?
100

Empty homes and foreclosures. Linked to population loss & housing market pressures

What is Residential Vacancy?

100

Removes buildings that are structurally unsafe beyond feasible repair and eliminates major hazards.

What is Targeted Demolition?

100

Residents are more likely to indicate their neighborhood lacks social order if they live in an area with greater perceived levels of what?

What is Physical Disorder?

200

A property where the owner has stopped maintaining or taking responsibility for it.

What is an Abandoned Property?
200

Suburbanization and out-migration are paired with an aging housing stock.

What is Population Decline?

200

Empty storefronts and retail strips. Reflects economic decline, shifts to e-commerce

What is Commercial Vacancy?
200

Can include trash removal, clearing overgrowth, basic landscaping, and community-managed green spaces

What is Lot Clean-Up & Greening?
200

Remediating abandoned houses may help reduce the negative implications of physical disrepair on what important indicator of public safety?

What is Gun Violence?

300

Consists of both vacant land and abandoned structures.

What is a Vacant Urban Area (VUA)?
300

Redlining, Racial Covenants, and Disinvestment

What is Historic Inequities?

300

Old factories and warehouses. Often brownfields and costly to remediate.

What is Industrial Vacancy?

300

Requires abandoned houses to have working doors/windows, keep lots clean, and vegetation controlled.

What is a Door and Window Ordinance?

300

This city enforced a doors and windows ordinance in 2011, requiring properties on blocks with at least 80% occupancy to have well-maintained windows and doors.

What is Philadelphia?

400
A city that can expand its boundaries through annexation to increase population and tax bases.
What is an Elastic City?
400

Tax delinquencies and decline of property maintenance

What is Owner Behavior?

400

Closed schools and hospitals. Politically and financially complex to reuse.

What is Institutional Vacancy?

400

Allows cities or public entities to take control of tax-delinquent or abandoned properties, and prevents properties from cycling through neglect and irresponsible ownership.

What is Land Banking Acquisition & Reuse?

400

This framework suggests there is an immediate signal of human intention or presence when a place is being well-maintained.

What is the Cues to Care Framework?
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