Dubuque County property record for 633 Main St, Dubuque, IA 52001
| Property Type | Office Building |
|---|---|
| Details | 21,660 sqft · built 1972 |
| Lot Size | 0.528 acres (23,028 sqft) |
| Owner | Company Name on Record |
| Flood Zone | Zone X (minimal risk) |
| APN | 10-25-209-004 |
| Primary APN | 10-25-209-004 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 21,660 sqft Gross Area |
| 1st Floor Area | 19,987 sqft |
| Year Built | Built 1972 |
|---|---|
| Lot Area | 23,028 sqft (0.528 acres) |
| Lot Dimensions | 114 ft deep x 202 ft wide |
| Street Address | 633 MAIN ST |
|---|---|
| City | DUBUQUE |
| State | IA |
| Zip | 52001 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Legal Description | BLK 18 DUBUQUE DOWNTOWN PLAZA |
| Legal Block | 18 |
| Jurisdiction | DUBUQUE IA |
| Township / Civil Division | DUBUQUE |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 100 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 215 W 6TH ST, DUBUQUE, IA 52001-6809 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| 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 | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $1,566,400 (+11.87%) Land $248,700 Building $1,317,700 | $1,566,400 (+11.87%) Land $248,700 Building $1,317,700 |
| 2023 | $1,400,200 | $1,400,200 |
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 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.
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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