Carroll County property record for 509 S 4th Ave, Dedham, IA 51440
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,184 sqft · built 1910 |
| Lot Size | 0.8 acres (34,848 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,572 (2026) |
| Deeds & Mortgages | Apr 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1521102017 |
| Primary APN | 1521102017 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,184 sqft Living Area |
| Basement Area | 864 sqft |
| Unfinished Basement | 864 sqft |
| Flooring | Carpet |
| Interior Walls | Plaster |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1910 |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 34,848 sqft (0.8 acres) |
| Garage Type | Mixed |
| Garage Area | 1,924 sqft |
| Parking Spaces | 7 Parking Spaces |
| Porch | Slab |
| Porch Area | 195 sqft |
| Shed | 1 Shed |
| Heating System | HVAC |
|---|
| Street Address | 509 S 4TH AVE |
|---|---|
| City | DEDHAM |
| State | IA |
| Zip | 51440-2000 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | IRR SUR NW NW N 33 FT OF LOT 4, ALL OF LOT 5 & S 50 FT OF LOT 6 |
| Legal Lot Number | 4-6 |
| Jurisdiction | CARROLL IA |
| Township / Civil Division | NEWTON |
| Census Block Group | 1 |
| Census Block | 1077 |
| Census Tract | 960500 |
509 S 4th Ave is owned and occupied by an individual.
Source: Carroll County records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 509 S 4TH AVE, DEDHAM, IA 51440-2000 |
| Occupancy | Owner Occupied |
| 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 |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CARROLL IA |
| Property Address | 509 S 4TH AVE, DEDHAM, IA 51440-2000 |
| Transaction Type | Mortgage |
| Record Updated | May 3, 2018 |
| Name | Verified Name |
|---|
| Document Number | 0000002018/0000000937 |
|---|---|
| Date | Apr 6, 2018 |
| Book Page | 0000002018/0000000937 |
| Instrument | 2018-0937 |
| Name | AVAILA BANK |
|---|---|
| Type | Bank |
| Amount | Amount on Record |
|---|---|
| Term | 117 Months |
| Due | Jan 1, 2028 |
The 2026 property tax bill for 509 S 4th Ave was $1,572.
Source: Carroll County assessment roll, as of October 7, 2025
| Type | Name |
|---|---|
| State | Iowa |
| County | Carroll County |
| Municipality | Dedham City |
| Unified School District | Carroll Community School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,572.00 | $140,380 (-) Land $20,540 Building $119,840 | $140,380 (-) Land $20,540 Building $119,840 |
| 2025 | $1,572.00 | $140,380 Land $20,540 Building $119,840 | $140,380 Land $20,540 Building $119,840 |
| 2023 | $110,320 (+75.67%) Land $20,540 Building $89,780 | $110,320 Land $20,540 Building $89,780 | |
| 2022 | $62,800 Land $11,740 Building $51,060 | ||
| 2021 | $62,800 Land $11,740 Building $51,060 | ||
| 2018 | $800.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 509 S 4th Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2013.
Source: FEMA National Flood Hazard Layer, effective September 15, 2017 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (2013) |
| Most Recent Claim | Jun 2013 · river or lake flooding |
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 509 S 4th Ave is moderate, ranking above 46% of the US, with a 0.09% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 46% of the US · above 79% of Iowa |
|---|---|
| Wildfire Likelihood | 0.09% annual chance |
| Exposure | Direct burnable vegetation |
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 | DEDHAM WATER SUPPLY serves 221 people · EPA ID IA1433016 |
|---|---|
| Water Source | Purchased groundwater from WEST CENTRAL RWA - NISH SYSTEM |
| Last State Inspection | Apr 2025 |
| Lead | 1 ppb (2024) action level 15 ppb |
Listed by EPA as a serious violator for missed monitoring and reporting.
| Water Quality | Selenium resolved · Oct 2020 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 8 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 36 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| BTC Fiber | 2,000 / 2,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Windstream DSL | 200 / 20 |
May also be available: Nextlink, Western Iowa Wireless.
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