Dubuque County property record for 485 Central Ave, Dubuque, IA 52001
| Property Type | Office Building |
|---|---|
| Details | 1,582 sqft · built 1971 |
| Lot Size | 0.421 acres (18,355 sqft) |
| Owner | Company Name on Record |
| Last Sale | $477,500 (Apr 2025) |
| Tax Bill | $6,752 (2025) |
| Deeds & Mortgages | Dec 2017 Sale & Mortgage |
| Flood Zone | Zone X (reduced by levee) |
| APN | 10-25-237-008 |
| Primary APN | 10-25-237-008 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 1,582 sqft Gross Area |
| 1st Floor Area | 1,582 sqft |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1971 |
| Exterior Material | Brick |
| Roof Material | Urethane Foam |
| Lot Area | 18,355 sqft (0.421 acres) |
| Porch | Slab |
| Patio Area | 1 sqft |
| Water Source | Commercial |
|---|
| Street Address | 485 CENTRAL AVE |
|---|---|
| City | DUBUQUE |
| State | IA |
| Zip | 52001-7025 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Legal Description | LOT 2, N 15' LOT 1, M BAL OF LOT 1, & LOT 3 EXC THE SLY 8 3/4" ELY 53' 8 3/4", ALL IN BLK 6 DUBUQUE DOWNTOWN PLAZA |
| Legal Range | 02E |
| Legal Township | 89N |
| Legal Section | 25 |
| Legal Subdivision | DUBUQUE DOWNTOWN PLAZA |
| Legal Block | 6 |
| Legal Lot Number | 1-3 |
| Jurisdiction | DUBUQUE IA |
| Township / Civil Division | DUBUQUE |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 100 |
Source: Dubuque County records, as of December 23, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 1290 E MINERAL ST, PLATTEVILLE, WI 53818-2909 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 30, 2025 · Amount on Record |
| Deed Sale | Apr 30, 2025 · Amount on Record |
| Prior Sale | Dec 10, 2024 · Amount on Record |
| Deed Document Number | 20254324 |
| Prior Transfer Date | Dec 6, 2024 |
| Prior Transfer Doc | 0000011875 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DUBUQUE IA |
| Recording Date | Dec 4, 2017 |
| Property Address | 485 CENTRAL AVE, DUBUQUE, IA 52001-7025 |
| Document Number | 0000014981 |
| Instrument Date | Nov 28, 2017 |
| Instrument | 2017-00014981 |
| Transaction Type | Transfer |
| Record Updated | Oct 12, 2021 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Number | 0000014982 |
|---|---|
| Date | Dec 4, 2017 |
| Instrument | 2017-00014982 |
| Name | AMERICAN TRUST & SAVINGS BANK |
|---|---|
| Type | Bank |
| Address | DUBUQUE, IA 52004 |
| Amount | Amount Recorded |
|---|
Source: Dubuque County assessment roll, as of October 7, 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 | $6,752.00 | $358,900 (+12.72%) Land $148,700 Building $210,200 | $358,900 (+12.72%) Land $148,700 Building $210,200 |
| 2024 | $6,752.00 (+0.93%) | ||
| 2023 | $318,400 (+8.12%) Land $132,200 Building $186,200 | $318,400 (+8.12%) Land $132,200 Building $186,200 | |
| 2022 | $6,690.00 | $294,480 Land $132,160 Building $162,320 | |
| 2021 | $294,480 Land $132,160 Building $162,320 |
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
| FEMA Flood Zone | Zone X reduced by levee · depends on levee performance |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
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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