GroundworkOpen the map

Alpine, CO land: flood and parcels

1,856 parcels

0% of Alpine’s 1,856 parcels are in a FEMA flood zone.

County roll 2026 · Map data Oct 26, 2026

  • Acres on the roll557
  • In a FEMA flood zone0%special flood hazard area

Colorado 2026 taxes: bills go out in January 2027; first half due March 1, 2027, second half June 15, 2027.

Free account: 25 parcel cards a day on the map, with watches and a saved search. Get started free

Our map has no zoning layer for Alpine yet. Rio Grande County's planning office can say which zoning, if any, applies to a parcel here.

Around Alpine

Flood zones and wetlands

  • FEMA flood zone (A or V)0%
  • Parcels at least 25% wetland1.2%
Land in Alpine by useLand use on the county roll
Land classParcelsShare
Other or not coded1,43877%
Building on record41122%
Institutional70.4%

County tax roll 2026 (county file May 2026); land class read from the roll's land-use and building fields.

Typical lot sizeThe typical lot, from the roll

The median parcel in Alpine is 0.16 acre (1,854 parcels with a size).

Acres from the county roll, or from the parcel's own outline where the roll's figure is off by more than three times. Condominium units that share one point (each carrying the whole complex's acres) are left out of the lot sizes.

Nearby townsTowns around it
Questions about Alpine landAnswers from the public records
How many parcels are in Alpine, CO?

1,856 parcels on the 2026 Rio Grande County tax roll (county file May 2026) inside the Census Bureau's boundary for Alpine, which can differ from its own limits at the edges, covering 557 acres.

How much vacant land is in Alpine, CO?

Rio Grande County's vacant-land class failed our aerial check (10 of 60 sampled lots were in use or doubtful: a storage building, yards, a camp with structures, part of an RV park), so we don't call any parcel here vacant land.

What is the typical lot size in Alpine?

The median parcel is 0.16 acre, from 1,854 parcels with a recorded size.

How much of Alpine is in a flood zone?

0% of parcels are in a FEMA special flood hazard area (National Flood Hazard Layer, as of Oct 2026). Check each parcel's own flood line before you buy.

Are there wetlands in Alpine?

1.2% of parcels are a quarter or more wetland on the USFWS National Wetlands Inventory, a mapping guide, not a legal delineation.

Has land sold recently in Alpine?

The county's sales file on our map runs only through Mar 2025, so we show no recent sales window here.

Are there land prices for Alpine?

No land-price range is shown for Alpine yet. No price figures for Rio Grande County: the newest sale in the files we read is from March 2025, more than a year old.

Where does this data come from?

Parcels: State of Colorado public parcels (OIT) and county assessor layers. Flood: FEMA National Flood Hazard Layer. Wetlands: USFWS National Wetlands Inventory. Towns: U.S. Census places. Every figure is counted from those files on our map.

More in Rio Grande CountyIts other towns
Sources & methodSources, dates and how these figures are built

Property tax due dates

Colorado Revised Statutes 39-10-104.5, 39-5-122 and 39-8-106. Checked Oct 13, 2026.

What Groundwork can price in Alpine

No price figures for Rio Grande County: the newest sale in the files we read is from March 2025, more than a year old.

Land sale prices

Sale prices for Rio Grande County are withheld: the newest sale in the files we read is from March 2025 (since Oct 25, 2026).

Sources

Parcels: State of Colorado public parcels (OIT) and county assessor layers (2026 roll, county file May 2026); flood: FEMA National Flood Hazard Layer (as of Oct 2026); wetlands: USFWS National Wetlands Inventory (as of Oct 2026); town limits: U.S. Census Bureau TIGER/Line places; sales: the county's own file, through Mar 2025; counted on our map built Oct 2026.

Claim your landRemove or correct my information