Dubuque County property record for 305 Locust St, Dubuque, IA 52001
| Property Type | Office Building |
|---|---|
| Details | 1,375 sqft · built 1969 |
| Lot Size | 0.056 acres (2,453 sqft) |
| Owner | Company Name on File |
| Last Sale | $220,000 (Nov 2011) |
| Tax Bill | $2,426 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 10-25-255-015 |
| Primary APN | 10-25-255-015 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 1,375 sqft Gross Area |
| 1st Floor Area | 1,375 sqft |
| Year Built | Built 1969 |
|---|---|
| Exterior Material | Concrete Block |
| Roof Material | Urethane Foam |
| Lot Area | 2,453 sqft (0.056 acres) |
| Water Source | Commercial |
|---|
| Street Address | 305 LOCUST ST |
|---|---|
| City | DUBUQUE |
| State | IA |
| Zip | 52001-6934 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Local Zoning Code | CI |
| Legal Description | S 1/3 OF CITY LOT 112 |
| Legal Lot Number | 112 |
| Jurisdiction | DUBUQUE IA |
| Township / Civil Division | DUBUQUE |
| Census Block Group | 2 |
| Census Block | 2020 |
| Census Tract | 100 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Cathedral Historic District (Boundary Increase) listed 2013 · 16 contributing resources · NRIS 13000066 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
305 Locust St, a commercial property, is owned by a company that bought it in November 2011.
Source: Dubuque County records, as of October 6, 2025
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 290 MAIN ST, DUBUQUE, IA 52001-6942 |
| Owner Type | Company |
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 | Nov 1, 2011 · Amount on File |
| Deed Sale | Nov 1, 2011 · Amount on File |
| Deed Document Number | 0001116428 |
| 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 | $170,600 Land $19,900 Building $150,700 | $170,600 Land $19,900 Building $150,700 | |
| 2024 | $2,426.00 | ||
| 2023 | $152,100 (+19.69%) Land $17,700 Building $134,400 | $152,100 Land $17,700 Building $134,400 | |
| 2022 | $2,192.00 | $127,080 Land $17,660 Building $109,420 | |
| 2021 | $127,080 Land $17,660 Building $109,420 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 305 Locust St 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.
The area around 305 Locust St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 497 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Mediacom Xtream Cable · Fiber in parts of the area | 1,000 / 50 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Comelec Internet Services, ImOn Communications, Nextlink, Verizon.
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