Dubuque County property record for 320 1st Ave W, Cascade, IA 52033
| Property Type | Office Building |
|---|---|
| Details | 5,226 sqft · built 1970 |
| Lot Size | 0.409 acres (17,841 sqft) |
| Owner | Individual Name on File |
| Flood Zone | Zone X (minimal risk) |
| APN | 18-36-480-021 |
| Primary APN | 18-36-480-021 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 5,226 sqft Gross Area |
| Gross Area | 9,531 sqft |
| 1st Floor Area | 9,531 sqft |
| Basement Area | 1,536 sqft |
| Year Built | Built 1970 |
|---|---|
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Lot Area | 17,841 sqft (0.409 acres) |
| Total Buildings | 2 Buildings |
| Street Address | 320 1ST AVE W |
|---|---|
| City | CASCADE |
| State | IA |
| Zip | 52033-7721 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Legal Description | LOT 10 & 11 & 2-9 BLOCK 2 WEST CASCADE (ORIG TOWN); |
| Legal Block | 2 |
| Legal Lot Number | 2-11 3 |
| Jurisdiction | DUBUQUE IA |
| Township / Civil Division | CASCADE |
| Census Block Group | 4 |
| Census Block | 4066 |
| Census Tract | 10400 |
320 1st Ave W, a commercial property, is owned and occupied by an individual.
Source: Dubuque County records, as of October 6, 2025
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 | 320 1ST AVE W # 400, 400, CASCADE, IA 52033-7721 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
Source: Dubuque County assessment roll, as of May 1, 2025
| Type | Name |
|---|---|
| State | Iowa |
| County | Dubuque County |
| Municipality | Cascade City |
| Unified School District | Western Dubuque County Community School District (PK - 12) |
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $486,700 Land $68,700 Building $418,000 | $486,700 Land $68,700 Building $418,000 |
| 2023 | $407,700 | $407,700 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 320 1st Ave W 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 9, 2021 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 2 (1999–2019) |
| Most Recent Claim | Mar 2019 · Severe Storms And 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 320 1st Ave W is low, with a 0.02% 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 | 0.02% 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 | CASCADE MUNICIPAL WATER SUPPLY serves 2,386 people · EPA ID IA3118080 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Feb 2025 |
| Lead | Under 1 ppb (2023–2025) 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 226 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Cascade Communications Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile.
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