Introduction to Special Assessments

February 2021

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1. Overview of Special Assessments

What is a Special Assessment?

Property Owners to Municipal Government to fees paid by property owners to a municipality based on receipt of special benefits from infrastructure investments.

Special Assessments are also called

Special Assessments are also called: Special Assement Districts,Benefit Assessment Districts, Local Improvement Districts, Transportation Improvement Districts, Community Improvement Districts, Community Improvement Districts, Neighborhood Improvement Districts.

Overview: Concept behind SADs

Transportation enhances property values
  • New or improvedinfrastructure providesspecial benefits tonearby properties.
  • Access to transportationinfrastructure createshigher land values.
  • Special assessmentsreturn a portion of thisspecial benefit to thepublic sector thatcreated it.

Infographic representing a timeline of Value with Transit in years from points.


Infographic representing a timeline of Value with Transit in years from points: Transit Project Announced, Commencement of Service, Pre-Transit Speculation and Post-Transit Value Creation. Financial value with transit trends upwards over time. Value without transit also trends upward but not as much as with transit.

Figure source: Transportation Research Board, TCRP Report 190, 2016.

Financial beneficiaries pay in proportion to benefits received
  • Even if a landowner lives elsewhereand never uses the transportationfacilities near his/her property,higher land values provide theowner with a direct benefit.
  • Fees based on increased land valuewill be paid by beneficiaries inproportion to the benefits received.

Illustration showing a lot labeled “M” (representing a new infrastructure) between an empty lot and a lot with a building on it.

Figure source: R. Rybeck, Funding Long-Term Infrastructure Needs for Growth, Sustainability, and Equity, 2013


Closing Funding Gaps

Traditional State and local transportation funding sources: 1) State and local gas taxes, 2) Other taxes and fees; Funding Gap; State and Local Roads Improvement Funding Needs

Efficiency, equity, and stakeholder benefits

Economic Efficiency, Equitable, Stakeholder Benefits

Economic Efficiency - Linking benefits and payments can encourage more efficient land development decisions, simple administration (property tax billing in place); Equitable - Those who benefit pay, Payments in proporiton to benefits recieved; Stakeholder Benefits - Transparencey in how Special Assessments are sprent, Transparency and accountability build trust

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