Sioux County property record for 615 E 11th St, Alton, IA 51003
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 1,950 sqft · built 1900 |
| Lot Size | 0.744 acres (32,400 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,994 (2025) |
| Deeds & Mortgages | Jun 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 23-02-405-002 |
| Primary APN | 23-02-405-002 |
|---|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,950 sqft Living Area |
| 1st Floor Area | 688 sqft |
| Basement Area | 1,262 sqft |
| Unfinished Basement | 1,262 sqft |
| Flooring | Carpet |
| Interior Walls | Plaster |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 32,400 sqft (0.744 acres) |
| Lot Dimensions | 135 ft deep x 240 ft wide |
| Garage Type | Detached |
| Garage Area | 768 sqft |
| Parking Spaces | 3 Parking Spaces |
| Deck Area | 272 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Water Source | Commercial |
| Street Address | 615 E 11TH ST |
|---|---|
| City | ALTON |
| State | IA |
| Zip | 51003-8652 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LS14-15-16 BLK 1 EAST ADD & VC STS |
| Legal Subdivision | EAST ADDITION ALTON |
| Legal Block | 1 |
| Jurisdiction | SIOUX IA |
| Township / Civil Division | NASSAU |
| Census Block Group | 3 |
| Census Block | 3012 |
| Census Tract | 70500 |
615 E 11th St is owned and occupied by an individual.
Source: Sioux County records, as of September 1, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 615 E 11TH ST, ALTON, IA 51003-8652 |
| 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 | SIOUX IA |
| Property Address | 615 E 11TH ST, ALTON, IA 51003-8652 |
| Transaction Type | Mortgage |
| Record Updated | Aug 3, 2022 |
| Name | Verified Name |
|---|
| Document Number | 02022/3386 |
|---|---|
| Date | Jun 6, 2022 |
| Book Page | 2022/3386 |
| Instrument | 2022-03386 |
| Name | NORTHWESTERN BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 108 Months |
| Due | Jun 1, 2031 |
| Rate Type | Fixed Rate |
|---|
The 2025 property tax bill for 615 E 11th St was $1,994 with a homeowner's exemption, up 20.3% from the year before.
Source: Sioux County assessment roll, as of October 9, 2025
| Type | Name |
|---|---|
| State | Iowa |
| Municipality | Alton City |
| County | Sioux County |
| Unified School District | MOC-Floyd Valley Community School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,994.00 (+20.27%) Homeowner's exemption | $166,420 Land $23,280 Building $143,140 | $166,420 Land $23,280 Building $143,140 |
| 2024 | $1,658.00 | ||
| 2023 | $133,590 (+15.97%) Land $23,280 Building $110,310 | $133,590 Land $23,280 Building $110,310 | |
| 2022 | $1,858.00 Homeowner's exemption | $115,190 Land $23,280 Building $91,910 | |
| 2021 | $115,190 Land $23,280 Building $91,910 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 615 E 11th St 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 August 1, 2022 · OpenFEMA NFIP redacted claims and policies, as of September 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 |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 3 (2024) |
| Claims Outside the SFHA | 1 of 3 |
| Most Recent Claim | Jun 2024 · Severe Storms, Flooding, Straight-line Winds, And Tornadoes |
| 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 615 E 11th St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.8% of the US · lower than 98.1% of Iowa |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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 | ALTON MUNICIPAL WATER DEPARTMENT serves 1,248 people · EPA ID IA8403029 |
|---|---|
| Water Source | Purchased groundwater from ORANGE CITY MUNICIPAL WATER DEPARTMENT |
| Last State Inspection | Dec 2025 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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 104 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Westel Systems Fiber | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Nextlink, Verizon.
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