GroundworkOpen the map

Niwot, CO land: flood, zoning and parcels

1,975 parcels

9.9% of Niwot’s 1,975 parcels are in a FEMA flood zone.

County roll 2026 · Map data Oct 26, 2026

  • Acres on the roll2,317
  • In a FEMA flood zone9.9%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

Around Niwot

Flood zones and wetlands

  • FEMA flood zone (A or V)9.9%
  • Parcels at least 25% wetland0.5%
Land in Niwot by useLand use on the county roll
Land classParcelsShare
Building on record1,78190%
Other or not coded1276.4%
Institutional542.7%
Farm and timber130.7%

13 farm and timber parcels cover 209 acres. County tax roll 2026 (county file Oct 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 Niwot is 0.53 acre (1,715 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.

How Niwot is zonedThe most common districts
Zoning districtParcelsShare of zoned
Rural Residential (RR)1,23863%
Multiple Family (MF)26313%
Agricultural (A)21111%
Suburban Residential (SR)1437.2%
Niwot Rural Community District II (NRCD2)703.5%
Niwot Rural Community District I (NRCD1)271.4%
Economic Development (ED)90.5%
Business (B)80.4%

Zoning is on file for 100% of parcels in Niwot, across 9 districts. The town or county zoning office has the final word on any parcel.

Land parcels in NiwotFarm and timber parcels to start with
Nearby townsTowns around it
Questions about Niwot landAnswers from the public records
How many parcels are in Niwot, CO?

1,975 parcels on the 2026 Boulder County tax roll (county file Oct 2026) inside the Census Bureau's boundary for Niwot, which can differ from its own limits at the edges, covering 2,317 acres.

How much vacant land is in Niwot, CO?

Boulder County's vacant-land class failed our aerial check (17 of 60 sampled lots were in use or doubtful: park and HOA strips, parking islands, a pond, yards, road strips), so we don't call any parcel here vacant land.

What is the typical lot size in Niwot?

The median parcel is 0.53 acre, from 1,715 parcels with a recorded size.

How much of Niwot is in a flood zone?

9.9% 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 Niwot?

0.5% of parcels are a quarter or more wetland on the USFWS National Wetlands Inventory, a mapping guide, not a legal delineation.

What is Niwot zoned?

Zoning is on file for 100% of parcels. The most common districts: Rural Residential (RR), Multiple Family (MF), Agricultural (A).

Are there land prices for Niwot?

No land-price range is shown for Niwot yet. We print no land-price range for Boulder County yet. Some parcel cards here carry their own price range or rough estimate.

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 Boulder 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 Niwot

Price range for a home with its land, or for land (tested on past sales; final check due Jun 2027): 1,168 parcels. Rough estimate for a home with its land, or for land: 115 parcels.

The card's own words; a card whose range covers a home with its land says “home + land”. Figures are on the card, never on this page.

Land sale prices

We hold this county's recorded deeds, but its file does not mark which sales are arm's-length land sales, so this page prints no land price range yet.

Sources

Parcels: State of Colorado public parcels (OIT) and county assessor layers (2026 roll, county file Oct 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 Sep 2026; counted on our map built Oct 2026.

Claim your landRemove or correct my information