Weld County property record for 20 E Nelson Ave, Keenesburg, CO 80643
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,680 sqft · built 1975 |
| Lot Size | 0.229 acres (9,975 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,768 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1.30-52-6-E+-11 |
| Primary APN | 1.30-52-6-E+-11 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 9 Plumbing Fixtures |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,680 sqft Living Area |
| Gross Area | 1,920 sqft |
| 1st Floor Area | 960 sqft |
| Upper Floors Area | 124 sqft |
| Basement Area | 960 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Ranch |
| Exterior Material | Frame Hardboard |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 9,975 sqft (0.229 acres) |
| Porch | Slab |
|---|---|
| Porch Area | 64 sqft |
| Deck Area | Deck Area |
| Patio Area | 124 sqft |
| Balcony Area | 124 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R5113086 |
|---|---|
| Street Address | 20 E NELSON AVE |
| City | KEENESBURG |
| State | CO |
| Zip | 80643-9061 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | KEE M-6 N66.5 L6 MARTIN ESTATES |
| Legal Range | 64W |
| Legal Township | 2N |
| Legal Section | 26 |
| Legal Subdivision | MARTIN ESTATES |
| Legal Block | 1 |
| Legal Lot Number | 6 |
| Jurisdiction | WELD CO |
| Township / Civil Division | KEENESBURG-HUDSON |
| Census Block Group | 1 |
| Census Block | 1052 |
| Census Tract | 2502 |
20 E Nelson Ave is owned by an individual who acquired it in June 2011.
Source: Weld County records, as of October 21, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 82, KEENESBURG, CO 80643-0082 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 12, 1975 |
| Deed Sale | Nov 12, 1975 |
| Last Transfer Date | Jun 30, 2011 |
| Transfer Doc | 0003780331 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 20 E Nelson Ave was $1,768, up 11% from the year before.
Source: Weld County assessment roll, as of May 27, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Weld County |
| Municipality | Keenesburg Town |
| Unified School District | Weld County School District RE-3J (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $22,320 (-2.11%) Land $3,050 Building $19,270 | $364,744 (-) Land $49,875 Building $314,869 | |
| 2025 | $1,768.00 (+10.99%) | $22,800 Land $3,120 Building $19,680 | $364,744 Land $49,875 Building $314,869 |
| 2024 | $1,593.00 (+4.39%) | ||
| 2023 | $1,526.00 | $24,980 Land $3,370 Building $21,610 | $369,291 Land $49,875 Building $319,416 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 20 E Nelson Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective June 28, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 20 E Nelson Ave is low, with a 0.06% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 62% of the US · lower than 78% of Colorado |
|---|---|
| Wildfire Likelihood | 0.06% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | TOWN OF KEENESBURG serves 4,650 people · EPA ID CO0162438 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2024 |
| Lead | 3 ppb (2025) action level 15 ppb |
| Water Quality | Total trihalomethanes resolved · Apr 2019 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 207 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| CenturyLink DSL | 140 / 20 |
| Rise Broadband Fixed Wireless | 100 / 20 |
| Roggen Enterprises Broadband Fixed Wireless · Fiber in parts of the area | 25 / 10 |
May also be available: Verizon.
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