Rio Grande County land: flood and parcels
12,894 parcels
15% of Rio Grande County’s 12,894 parcels are in a FEMA flood zone.
County roll 2026 · Map data Oct 26, 2026
- Acres on the roll581,957
- In a FEMA flood zone15%special flood hazard area
Property tax calendar
Colorado 2026 taxes: bills go out in January 2027; first half due March 1, 2027, second half June 15, 2027.
- First half
- March 1, 2027On the 2026 values; or pay the whole bill by April 30, 2027
- Second half
- June 15, 2027A late half accrues 1% interest a month
- Value protests
- To the assessor by June 8 (next working day when it falls on a weekend)Then to the county board of equalization
Free account: 25 parcel cards a day on the map, with watches and a saved search. Get started free
Land sale prices in Rio Grande County
No price figures for Rio Grande County: the newest sale in the files we read is from March 2025, more than a year old.
No zoning layer for Rio Grande County yet. Its planning office (or a town's, inside town limits) can say which zoning, if any, applies to a parcel.
Around Rio Grande County
Towns and census places in Rio Grande County
- Monte Vista2,056 parcels
- Alpine1,856 parcels
- South Fork1,322 parcels
- Del Norte1,099 parcels
- Gerrard639 parcels
Flood zones and wetlands
Recorded flood claims in Rio Grande County
Fewer than 10 insured flood claims were recorded in Rio Grande County since 1978.
Land in Rio Grande County by useLand use on the county roll
| Land class | Parcels | Share |
|---|---|---|
| Building on record | 6,517 | 51% |
| Other or not coded | 3,544 | 27% |
| Farm and timber | 1,932 | 15% |
| Institutional | 901 | 7% |
1,932 farm and timber parcels cover 184,729 acres. 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 Rio Grande County is 0.49 acre (12,675 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.
Land parcels in Rio Grande CountyFarm and timber parcels to start with
- 467.5 acres of farm and timber land
- 460.0 acres of farm and timber land
- 9450 Co Rd 14 451.1 acres
- 449.5 acres of farm and timber land
- 443.1 acres of farm and timber land
- 3152 Co Rd 24 437.9 acres
- 436.1 acres of farm and timber land
- 8463 Co Rd 6 E 432.4 acres
Farm and timber parcels of an acre or more, each with its own page of public roll facts.
Questions about Rio Grande County landAnswers from the public records
How many parcels are in Rio Grande County, CO?
12,894 parcels on the 2026 Rio Grande County tax roll (county file May 2026), covering 581,957 acres.
How much vacant land is in Rio Grande County, 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 Rio Grande County?
The median parcel is 0.49 acre, from 12,675 parcels with a recorded size.
How much of Rio Grande County is in a flood zone?
15% 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 Rio Grande County?
6.5% 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 Rio Grande County?
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 Rio Grande County?
No land-price range is shown for Rio Grande County 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.
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.
Recorded flood claims in Rio Grande County
FEMA counts claims on buildings with NFIP flood insurance, so land without an insured building never shows here. Claims counted from 1978 to Sep 2026.
Source: OpenFEMA NFIP Redacted Claims v3, as of Sep 2026.
What Groundwork can price in Rio Grande County
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); sales: the county's own file, through Mar 2025; counted on our map built Oct 2026.
This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data.