Benton County property record for 306 4th Ave, Keystone, IA 52249 · Last verified October 2025
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,680 sqft · built 1914 |
| Lot Size | 0.162 acres (7,100 sqft) |
| Owner | Individual Name on File |
| Last Sale | $125,000 (Jul 2021) |
| Tax Bill | $1,614 (2024) |
| Deeds & Mortgages | Aug 2021 Mortgage Aug 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 09017900 |
| Primary APN | 09017900 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,680 sqft Living Area |
| 1st Floor Area | 840 sqft |
| Basement Area | 840 sqft |
| Finished Basement | 650 sqft |
| Game Room | Game Room |
| Interior Walls | Plaster |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1914 |
|---|---|
| Exterior Material | Asbestos |
| Construction Type | Frame |
| Foundation Type | Block |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 7,100 sqft (0.162 acres) |
| Lot Dimensions | 142 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 624 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 198 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 306 4TH AVE |
|---|---|
| City | KEYSTONE |
| State | IA |
| Zip | 52249-9509 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | F HAMANNS 1ST ADD N 11 1/2' LOT 10 & S 38 1/2' LOT 11 BLK 2 |
| Legal Subdivision | HAMMANS |
| Legal Block | 2 |
| Legal Lot Number | 10,11 |
| Jurisdiction | BENTON IA |
| Township / Civil Division | KANE |
| Census Block Group | 3 |
| Census Block | 3043 |
| Census Tract | 960600 |
Source: Benton County records · APN 09017900
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 | Individual Name on File |
|---|---|
| Mailing Address | 306 4TH AVE, KEYSTONE, IA 52249-9509 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Aug 02, 2021 | Deed of Trust, Mortgage · Conventional Mortgage GREEN STATE CU |
| Aug 02, 2021 | Deed of Trust, Mortgage · Conventional Mortgage GREEN STATE CU |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 14, 2021 · Amount on Record |
| Deed Sale | Jul 14, 2021 · Amount on Record |
| Prior Sale | May 01, 2006 · Amount on Record |
| Deed Document Number | 0000213914 |
| Deed Book / Page | 16 / 2819 |
| Prior Transfer Date | Nov 14, 2016 |
| Prior Transfer Doc | 0000162819 |
| Record Updated | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BENTON IA |
| Property Address | 306 4TH AVE, KEYSTONE, IA 52249-9509 |
| Transaction Type | Mortgage |
| Record Updated | May 02, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000213916 |
|---|---|
| Date | Aug 02, 2021 |
| Instrument | 21-3916 |
| Name | GREEN STATE CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 120 Months |
| Due | Aug 05, 2031 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BENTON IA |
| Property Address | 306 4TH AVE, KEYSTONE, IA 52249-9509 |
| Transaction Type | Mortgage |
| Record Updated | May 02, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000213915 |
|---|---|
| Date | Aug 02, 2021 |
| Instrument | 21-3915 |
| Name | GREEN STATE CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Aug 05, 2051 |
| Rate Type | Fixed Rate |
|---|
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 | $137,800 (+2.3%) Land $14,300 Building $123,500 | $137,800 (+2.3%) Land $14,300 Building $123,500 | |
| 2024 | $1,614.00 (+18.68%) | ||
| 2023 | $134,700 (+32.84%) Land $14,000 Building $120,700 | $134,700 (+32.84%) Land $14,000 Building $120,700 | |
| 2022 | $1,360.00 Homeowner's exemption | $101,400 Land $11,200 Building $90,200 | |
| 2021 | $101,400 Land $11,200 Building $90,200 |
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 |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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.
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