Butler County property record for 21738 Walnut Ave, Shell Rock, IA 50670
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,232 sqft · built 1980 |
| Lot Size | 1.97 acres (85,813 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $3,560 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 0835400042 |
| Primary APN | 0835400042 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,232 sqft Living Area |
| Basement Area | 1,232 sqft |
| Finished Basement | 1,100 sqft |
| Unfinished Basement | 132 sqft |
| Flooring | Vinyl/Resilient |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Exterior Material | Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Metal |
| Lot Area | 85,813 sqft (1.97 acres) |
| Lot Dimensions | 290 ft deep x 304 ft wide |
| Garage Type | Detached |
| Garage Area | 1,152 sqft |
| Parking Spaces | 4 Parking Spaces |
| Porch | Slab |
|---|---|
| Porch Area | 256 sqft |
| Deck Area | 96 sqft |
| Patio Area | 256 sqft |
| Utility Building | 2,380 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Septic |
| Water Source | Well |
| Street Address | 21738 WALNUT AVE |
|---|---|
| City | SHELL ROCK |
| State | IA |
| Zip | 50670-9770 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TR. 304' X 290.4' IN SW COR. NE SE 35 92 15 |
| Legal Range | 15W |
| Legal Township | 92N |
| Legal Section | 35 |
| Legal Subdivision | WILLIAM ADAIRS ADD |
| Jurisdiction | BUTLER IA |
| Township / Civil Division | BUTLER |
| Census Block Group | 2 |
| Census Block | 2156 |
| Census Tract | 70100 |
21738 Walnut Ave is owned and occupied by an individual who acquired it in November 2023.
Source: Butler County records, as of September 1, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 603, SHELL ROCK, IA 50670-0603 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Nov 15, 2023 |
| Transfer Doc | 0000002274 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 21738 Walnut Ave was $3,560 with a homeowner's exemption, up 8.2% from the year before.
Source: Butler County assessment roll, as of April 30, 2026
| Type | Name |
|---|---|
| State | Iowa |
| County | Butler County |
| Unified School District | Waverly-Shell Rock Community School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,560.00 (+8.21%) Homeowner's exemption | $322,590 Land $62,000 Building $260,590 | $322,590 Land $62,000 Building $260,590 |
| 2024 | $3,290.00 | ||
| 2023 | $288,010 (+16.83%) Land $43,920 Building $244,090 | $288,010 Land $43,920 Building $244,090 | |
| 2022 | $3,170.00 Homeowner's exemption | $246,530 Land $43,920 Building $202,610 | |
| 2021 | $246,530 Land $43,920 Building $202,610 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21738 Walnut Ave in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective December 16, 2020 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone A, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 24 (1998–2018) |
| Claims Outside the SFHA | 8 of 24 |
| Most Recent Claim | Sep 2018 · rainfall accumulation |
| Claims by Event |
|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 21738 Walnut Ave is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · above 49% of Iowa |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 11 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Butler-Bremer Mutual Telephone Company Fiber | 1,000 / 1,000 |
| GigFire Fixed Wireless | 150 / 130 |
5G (outdoors only) and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures