Dubuque County property record for 503 Rhomberg Ave, Dubuque, IA 52001
| Property Type | Commercial Vacant Land |
|---|---|
| Details | 3 bd · 1.5 ba · 1,174 sqft · built 1880 |
| Lot Size | 0.05 acres (2,211 sqft) |
| Owner | Owner Name on File |
| Last Sale | $25,000 (Jul 2005) |
| Flood Zone | Zone X (minimal risk) |
| APN | 10-24-229-016 |
| Primary APN | 10-24-229-016 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,174 sqft |
| 1st Floor Area | 928 sqft |
| Year Built | Built 1880 |
|---|---|
| Lot Area | 2,211 sqft (0.05 acres) |
| Lot Dimensions | 67 ft deep x 33 ft wide |
| Heating System | HVAC |
|---|
| Street Address | 503 RHOMBERG AVE |
|---|---|
| City | DUBUQUE |
| State | IA |
| Zip | 52001-3574 |
| Property Category | Commercial |
| Property Type | Vacant Land > Commercial |
| Local Zoning Code | CI |
| Legal Description | LOT 2-11 & LOT 1-12 SMEDLEYS SUB |
| Legal Subdivision | SMEDLEYS SUB |
| Legal Lot Number | 1-12 3 |
| Jurisdiction | DUBUQUE IA |
| Township / Civil Division | DUBUQUE |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 500 |
The current owner of 503 Rhomberg Ave bought it in July 2005.
Source: Dubuque County records, as of October 6, 2025
| Owner of Record | Owner Name on File |
|---|---|
| Mailing Address | 50 W 13TH ST, DUBUQUE, IA 52001-4805 |
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 |
|---|---|
| Last Sale | Jul 29, 2005 · Amount on File |
| Deed Sale | Jul 29, 2005 · Amount on File |
| Deed Document Number | 00D0512160 |
| Deed Book / Page | D05 / 12160 |
| Record Updated | Jun 7, 2026 |
Source: Dubuque County assessment roll, as of May 1, 2025
| Type | Name |
|---|---|
| State | Iowa |
| County | Dubuque County |
| Municipality | Dubuque City |
| Unified School District | Dubuque Community School District (PK - 12) |
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $8,400 Land $8,400 | $8,400 Land $8,400 |
| 2023 | $7,900 | $7,900 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 503 Rhomberg Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective August 9, 2021
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 503 Rhomberg Ave 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 99.1% of the US · lower than 91% 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 | DUBUQUE WATER WORKS serves 59,667 people · EPA ID IA3126052 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2025 |
| Lead | 5 ppb (2021–2023) 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.
Source: FCC Broadband Data Collection, based on 685 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| ImOn Communications Fiber | 1,000 / 1,000 |
| Mediacom Xtream Cable · Fiber in parts of the area | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
May also be available: Comelec Internet Services.
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