Dubuque County property record for 550 Sullivan St, Dubuque, IA 52003
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,200 sqft · built 1957 |
| Lot Size | 0.295 acres (12,870 sqft) |
| Owner | Individual Name on File |
| Last Sale | $219,000 (Aug 2021) |
| Tax Bill | $3,138 (2024) |
| Deeds & Mortgages | Feb 2022 Line of Credit Aug 2021 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 10-36-131-022 |
| Primary APN | 10-36-131-022 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,200 sqft Living Area |
| 1st Floor Area | 1,200 sqft |
| Basement Area | 1,200 sqft |
| Finished Basement | 1,100 sqft |
| Game Room | Game Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1957 |
|---|---|
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Wood Frame |
| Lot Area | 12,870 sqft (0.295 acres) |
| Lot Dimensions | 165 ft deep x 78 ft wide |
| Garage Type | Detached |
| Garage Area | 308 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 416 sqft |
| Patio Area | 416 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air |
| Heating Fuel | Gas |
| Street Address | 550 SULLIVAN ST |
|---|---|
| City | DUBUQUE |
| State | IA |
| Zip | 52003-7807 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CI |
| Legal Description | LOT 27 & 28 SOUTH AVENUE ADDITION |
| Legal Subdivision | BRYANT |
| Legal Lot Number | 27,28 28 |
| Jurisdiction | DUBUQUE IA |
| Township / Civil Division | DUBUQUE |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 801 |
Source: Dubuque County assessment roll, as of May 1, 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 | 550 SULLIVAN ST, DUBUQUE, IA 52003-7807 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Feb 23, 2022 | Deed of Trust, Mortgage · Line of Credit DUPACO COMMUNITY CU |
| Aug 16, 2021 | Warranty Deed, Transfer · Conventional Mortgage DUPACO COMMUNITY CU |
| Sep 16, 2019 | Deed of Trust, Mortgage · Conventional Mortgage DUTRAC COMMUNITY CU |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 16, 2021 · Amount on Record |
| Deed Sale | Aug 16, 2021 · Amount on Record |
| Prior Sale | May 29, 2008 · Amount on Record |
| Deed Document Number | 2021-00013546 |
| Record Updated | Jun 7, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DUBUQUE IA |
| Property Address | 550 SULLIVAN ST, DUBUQUE, IA 52003-7807 |
| Transaction Type | Mortgage |
| Record Updated | Mar 8, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000002572 |
|---|---|
| Date | Feb 23, 2022 |
| Instrument | 2022-00002572 |
| Name | DUPACO COMMUNITY CU |
|---|---|
| Type | Credit Union |
| Address | DUBUQUE, IA 52002 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DUBUQUE IA |
| Recording Date | Aug 16, 2021 |
| Property Address | 550 SULLIVAN ST, DUBUQUE, IA 52003-7807 |
| Document Number | 0000013546 |
| Instrument Date | Aug 13, 2021 |
| Instrument | 2021-00013546 |
| Transaction Type | Transfer |
| Record Updated | Aug 31, 2021 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $349.60 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 550 SULLIVAN ST, DUBUQUE, IA 52003-7807 |
| Document Number | 0000013547 |
|---|---|
| Date | Aug 16, 2021 |
| Instrument | 2021-00013547 |
| Name | DUPACO COMMUNITY CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DUBUQUE IA |
| Property Address | 550 SULLIVAN ST, DUBUQUE, IA 52003-7807 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000011010 |
|---|---|
| Date | Sep 16, 2019 |
| Instrument | 2019-00011010 |
| Name | DUTRAC COMMUNITY CU |
|---|---|
| Type | Credit Union |
| Address | DUBUQUE, IA 52002 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2049 |
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 | $252,000 (+10.33%) Land $49,300 Building $202,700 | $252,000 (+10.33%) Land $49,300 Building $202,700 | |
| 2024 | $3,138.00 (+5.02%) | ||
| 2023 | $228,400 (+25.35%) Land $44,900 Building $183,500 | $228,400 (+25.35%) Land $44,900 Building $183,500 | |
| 2022 | $2,988.00 Homeowner's exemption | $182,210 Land $40,370 Building $141,840 | |
| 2021 | $182,210 Land $40,370 Building $141,840 |
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 |
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) |
|---|---|
| Hawkeye Topco Holdings Fiber | 1,000 / 1,000 |
| Mediacom Communications Cable · Fiber in parts of the area | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: AMG Technology Investment Group, Comelec Services, Lumen Technologies.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures