Dubuque County property record for 620 Oneill St, Dubuque, IA 52001 · Last verified October 2025
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 3 ba · 1,248 sqft · built 1946 |
| Lot Size | 0.114 acres (5,000 sqft) |
| Owner | Individual Name on File |
| Last Sale | $110,000 (Jul 2018) |
| Tax Bill | $1,704 (2024) |
| Deeds & Mortgages | Jul 2018 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 10-13-128-010 |
| Primary APN | 10-13-128-010 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 10 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,248 sqft Total Area |
| 1st Floor Area | 700 sqft |
| Upper Floors Area | 525 sqft |
| Basement Area | 726 sqft |
| Year Built | Built 1946 |
|---|---|
| Architectural Style | Cape Cod |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Wood Frame |
| Lot Area | 5,000 sqft (0.114 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air |
| Heating Fuel | Gas |
| Street Address | 620 ONEILL ST |
|---|---|
| City | DUBUQUE |
| State | IA |
| Zip | 52001-1255 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | LOT 21 O'NEILLS RIVERVIEW |
| Legal Subdivision | AUDUBON |
| Legal Lot Number | 21 |
| Jurisdiction | DUBUQUE IA |
| Township / Civil Division | DUBUQUE |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 400 |
Source: Dubuque County records · APN 10-13-128-010
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 | 620 ONEILL ST, DUBUQUE, IA 52001-1255 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 31, 2018 · Amount on Record |
| Deed Sale | Jul 31, 2018 · Amount on Record |
| Deed Document Number | 2018-00008736 |
| Record Updated | Jun 08, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DUBUQUE IA |
| Recording Date | Jul 31, 2018 |
| Property Address | 620 ONEILL ST, DUBUQUE, IA 52001-1255 |
| Document Number | 0000008736 |
| Instrument Date | Jul 27, 2018 |
| Instrument | 2018-00008736 |
| Transaction Type | Transfer |
| Record Updated | Oct 12, 2021 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $175.20 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 620 ONEILL ST, DUBUQUE, IA 52001-1255 |
| Document Number | 0000008738 |
|---|---|
| Date | Jul 31, 2018 |
| Instrument | 2018-00008738 |
| Name | COLLINS COMMUNITY CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 01, 2048 |
Source: Dubuque County records · Assessment roll updated May 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | Iowa |
| County | Dubuque County |
| Municipality | Dubuque City |
| Unified School District | Dubuque 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 | $130,800 (+10.38%) Land $22,500 Building $108,300 | $130,800 (+10.38%) Land $22,500 Building $108,300 | |
| 2024 | $1,704.00 (-8.19%) | ||
| 2023 | $118,500 (+10.12%) Land $20,000 Building $98,500 | $118,500 (+10.12%) Land $20,000 Building $98,500 | |
| 2022 | $1,856.00 | $107,610 Land $15,000 Building $92,610 | |
| 2021 | $107,610 Land $15,000 Building $92,610 |
Source: FEMA National Flood Hazard Layer, Dubuque County (19061C), updated August 9, 2021 · 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 655 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Hawkeye Topco Holdings | Fiber | 1,000 / 1,000 |
| Mediacom Communications | Cable | 1,000 / 50 |
| Lumen Technologies | DSL | 140 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: AT&T, Verizon, Comelec Services, Mediacom Communications, AMG Technology Investment Group. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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