Dubuque County property record for 525 Sullivan St, Dubuque, IA 52003
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 4 ba · 1,392 sqft · built 1979 |
| Lot Size | 0.404 acres (17,640 sqft) |
| Owner | 2 Owner Names on Record |
| Last Sale | $202,000 (Oct 2007) |
| Tax Bill | $4,646 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 10-36-128-016 |
| Primary APN | 10-36-128-016 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 4 Baths |
| Half Baths | 2 Half Baths |
| Plumbing Fixtures | 11 Plumbing Fixtures |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,392 sqft Living Area |
| 1st Floor Area | 1,392 sqft |
| Basement Area | 1,392 sqft |
| Finished Basement | 1,000 sqft |
| Game Room | Game Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Architectural Style | Split Level |
| Exterior Material | Wood Siding |
| Lot Area | 17,640 sqft (0.404 acres) |
| Lot Dimensions | 140 ft deep x 126 ft wide |
| Garage Type | Detached |
| Garage Area | 956 sqft |
| Parking Spaces | 4 Parking Spaces |
| Porch | Enclosed Porch |
| Porch Area | 192 sqft |
| Patio Area | 264 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air |
| Heating Fuel | Gas |
| Street Address | 525 SULLIVAN ST |
|---|---|
| City | DUBUQUE |
| State | IA |
| Zip | 52003-8784 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CI |
| Legal Description | LOT 2-5-MINERAL LOT 42, LOT 2-1-2-1-1-6-MINERAL LOT 42 |
| Legal Subdivision | BRYANT |
| Legal Lot Number | 1-6,42 5 |
| Jurisdiction | DUBUQUE IA |
| Township / Civil Division | DUBUQUE |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 801 |
Source: Dubuque County records, as of October 6, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Owner Names on Record |
|---|---|
| Mailing Address | 525 SULLIVAN ST, DUBUQUE, IA 52003-8784 |
| Occupancy | Owner Occupied |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 1, 2007 · Amount on Record |
| Deed Sale | Oct 1, 2007 · Amount on Record |
| Deed Document Number | 2007-00014988 |
| Record Updated | Jun 8, 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 | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $355,900 (+6.78%) Land $61,000 Building $294,900 | $355,900 (+6.78%) Land $61,000 Building $294,900 | |
| 2024 | $4,646.00 (+6.41%) | ||
| 2023 | $333,300 (+27.16%) Land $55,400 Building $277,900 | $333,300 (+27.16%) Land $55,400 Building $277,900 | |
| 2022 | $4,366.00 Homeowner's exemption | $262,110 Land $49,900 Building $212,210 | |
| 2021 | $262,110 Land $49,900 Building $212,210 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (2011) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jul 2011 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 71% 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 298 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: CenturyLink, Comelec Internet Services, Nextlink.
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