Datasets

134 datasets

Fairfax County

Non-County Parks

Park land within Fairfax County not maintained by Fairfax County Park Authority. These parks are owned and operated by regional, state, and federal entities.

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Updated Oct 8, 2026

Fairfax County

County Parks

Park land maintained by Fairfax County Park Authority.

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Updated Oct 8, 2026

Fairfax County

Planning Areas

The four planning areas in Fairfax County. Each area is a part of the overall County comprehensive plan.

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Updated Oct 8, 2026

Fairfax County

Planning Districts

The planning districts within Fairfax County. Planning districts are subunits of planning areas.

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Updated Oct 8, 2026

Fairfax County

Police Stations

The locations of the police stations within Fairfax County.

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Updated Oct 8, 2026

Fairfax County

Human services regions within Fairfax County. Fairfax County provides an integrated community-based service delivery system to respond to and anticipate the unique needs of individuals and families within a specific…

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Updated Oct 8, 2026

Fairfax County

Volunteer Group Areas

Areas where volunteer groups operate within Fairfax County. The volunteer groups (also known as Community Based Organizations) are non-profit organizations that provide basic needs assistance to specific areas of the…

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Updated Oct 8, 2026

Fairfax County

Potential Asbestos Containing Soils

Potential asbestos containing soils in Fairfax County. These soils are mapped over naturally asbestos-containing bedrock. Safety precautions must be taken during construction. Orange soils, which overlie a majority of…

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Updated Oct 8, 2026

Fairfax County

Previously Mapped Marine Clay

These areas were mapped as marine clays in previous surveys. Marine clays are high shrink-swell soils that can cause foundation distress. They are sometimes referred to as Potomac Clays or Deltaic Clays.

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Updated Oct 8, 2026

Fairfax County

Human Services Offices

Human services offices within Fairfax County. “HS_Region” is the office for each human services region, “DFS_Area” is the offices for the Department of Family Services Areas; “CPS_Region” is offices for Child Protective…

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Updated Oct 8, 2026

Fairfax County

Non-Marine Clay Shrink-Swell Soils

Non-marine clay shrink swell soils in Fairfax County. These are soils containing other shrinking-swelling clays that can lead to foundation distress if precautions are not taken during design and construction.

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Updated Oct 8, 2026

Fairfax County

Quarries

Quarries in Fairfax County.

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Updated Oct 8, 2026

Fairfax County

Marumsco Soils

Marumsco soils in Fairfax County. Marumsco soils are mapped in complexes with other soil types. The complexes are highly variable and consist of combinations of clays, silts, sands, and gravels. They may also be…

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Updated Oct 8, 2026

Fairfax County

Landfills

Landfill properties in Fairfax County.

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Updated Oct 8, 2026

Fairfax County

Watersheds

Watersheds within Fairfax County. There are 30 watersheds delineated across Fairfax County.

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Updated Oct 8, 2026

Fairfax County

Voting Precincts

The voting precincts within Fairfax County.

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Updated Oct 8, 2026

Fairfax County

Polling Places

Voting locations for precincts within Fairfax County. Some features are the voting locations for 2 precincts and are identified in the attributes by having a value in the secondary precinct identifier.

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Updated Oct 8, 2026

Fairfax County

Metrorail Stations

This data set contains all Metrorail Stations in Virginia. The data set was originally obtained from the Metro Washington Council of Governments (MWCOG) GIS data clearinghouse and snapped to the Fairfax County railroad…

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Updated Oct 8, 2026

Fairfax County

Metrorail Lines

This data set contains all Metrorail lines in Virginia. The data set was originally obtained from the Metro Washington Council of Governments (MWCOG) GIS data clearinghouse and conflated to the Fairfax County railroad…

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Updated Oct 8, 2026

Fairfax County

Development Centers

This layer contains the definitive boundaries of Fairfax County's: Urban Center, Suburban Centers, Community Business Centers, Transit Station Areas, Industrial Areas, and Large Institutional Land Areas as defined in…

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Updated Oct 8, 2026