Benton County property record for 400 1st Ave, Keystone, IA 52249 · Last verified October 2025
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,200 sqft · built 1980 |
| Lot Size | 0.268 acres (11,700 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $84,200 (May 1997) |
| Tax Bill | $2,200 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 09013500 |
| Primary APN | 09013500 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,200 sqft Living Area |
| Basement Area | 1,200 sqft |
| Finished Basement | 825 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1980 |
|---|---|
| Exterior Material | Vinyl |
| Foundation Type | Concrete |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 11,700 sqft (0.268 acres) |
| Lot Dimensions | 130 ft deep x 90 ft wide |
| Garage Type | Attached |
| Garage Area | 576 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 240 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 400 1ST AVE |
|---|---|
| City | KEYSTONE |
| State | IA |
| Zip | 52249-9799 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | FRANZENBURGS 4TH ADD LOT 12 |
| Legal Subdivision | FRANZENBURGS 4TH |
| Legal Lot Number | 12 |
| Jurisdiction | BENTON IA |
| Township / Civil Division | KANE |
| Census Block Group | 3 |
| Census Block | 3038 |
| Census Tract | 960600 |
Source: Benton County records · APN 09013500
Assessment roll updated May 1, 2025 · Last verified October 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Co-owner | Verified Secondary Owner |
| Mailing Address | 400 1ST AVE, KEYSTONE, IA 52249-9799 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 29, 1997 · Amount on Record |
| Deed Sale | May 29, 1997 · Amount on Record |
| Deed Document Number | 0000120088 |
| Record Updated | Jun 08, 2026 |
Source: Benton County records · Assessment roll updated May 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | Iowa |
| County | Benton County |
| Municipality | Keystone City |
| Unified School District | Benton Community School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $209,000 (+0.72%) Land $26,600 Building $182,400 | $209,000 (+0.72%) Land $26,600 Building $182,400 | |
| 2024 | $2,200.00 (+1%) | ||
| 2023 | $207,500 (+31.33%) Land $27,000 Building $180,500 | $207,500 (+31.33%) Land $27,000 Building $180,500 | |
| 2022 | $2,000.00 Homeowner's exemption | $158,000 Land $21,600 Building $136,400 | |
| 2021 | $158,000 Land $21,600 Building $136,400 |
Source: FEMA National Flood Hazard Layer, Benton County (19011C), updated September 22, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Wildfire Risk | Low above 1% of the US · above 9% of Iowa |
|---|---|
| Wildfire Likelihood | Less than 1 in 10,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 212 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Verizon | Fixed Wireless | 300 / 20 |
| Keystone Farmers Cooperative Telephone Company | Fiber | 250 / 250 |
| LTD Broadband | Fixed Wireless (licensed-by-rule) | 150 / 130 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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