Grand County land: flood and parcels
27,554 parcels
3.1% of Grand County’s 27,554 parcels are in a FEMA flood zone.
County roll 2026 · Map data Oct 26, 2026
- Acres on the roll1,195,448
- In a FEMA flood zone3.1%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
No zoning layer for Grand County yet. Its planning office (or a town's, inside town limits) can say which zoning, if any, applies to a parcel.
Towns and census places in Grand County
- Winter Park4,522 parcels
- Granby3,644 parcels
- Fraser2,156 parcels
- Grand Lake1,198 parcels
- Kremmling763 parcels
- Tabernash548 parcels
- Hot Sulphur Springs506 parcels
Flood zones and wetlands
Recorded flood claims in Grand County
Fewer than 10 insured flood claims were recorded in Grand County since 1978.
Typical lot sizeThe typical lot, from the roll
The median parcel in Grand County is 0.43 acre (22,294 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.
Questions about Grand County landAnswers from the public records
How many parcels are in Grand County, CO?
27,554 parcels on the 2026 Grand County tax roll (county file Mar 2026), covering 1,195,448 acres.
Is vacancy verified in Grand County, CO?
Grand County's open layers carry no land-use class, building value or assessment rate, so vacant land isn't identified here yet.
What is the typical lot size in Grand County?
The median parcel is 0.43 acre, from 22,294 parcels with a recorded size.
How much of Grand County is in a flood zone?
3.1% 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 Grand County?
8% of parcels are a quarter or more wetland on the USFWS National Wetlands Inventory, a mapping guide, not a legal delineation.
Are there land prices for Grand County?
No land-price range is shown for Grand County yet. We have no sale-price file for Grand County yet.
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 Grand 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.
Land sale prices
We have no sale-price file for this county yet, and Colorado has no statewide sale-price file.
Sources
Parcels: State of Colorado public parcels (OIT) and county assessor layers (2026 roll, county file Mar 2026); flood: FEMA National Flood Hazard Layer (as of Oct 2026); wetlands: USFWS National Wetlands Inventory (as of Oct 2026); 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.