520 Sullivan St, Dubuque, IA 52003 Property Records

Dubuque County property record for 520 Sullivan St, Dubuque, IA 52003 · Last verified October 2025

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 1,544 sqft · built 1976
Lot Size	0.58 acres (25,300 sqft)
Owner	2 Individual Names on File
Last Sale	$118,000 (May 2000)
Tax Bill	$3,778 (2024)
Deeds & Mortgages	Jun 2017 Mortgage Apr 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`10-36-131-008`

Property Details

APN / Parcel Number

Primary APN	`10-36-131-008`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Plumbing Fixtures	11 Plumbing Fixtures
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,544 sqft Living Area
1st Floor Area	1,544 sqft
Basement Area	1,544 sqft
Finished Basement	1,172 sqft
Game Room	Game Room

Exterior

Year Built	Built 1976
Architectural Style	Ranch
Exterior Material	Aluminum/Vinyl
Construction Type	Wood Frame
Lot Area	25,300 sqft (0.58 acres)
Lot Dimensions	230 ft deep x 110 ft wide
Garage Type	Mixed
Garage Area	1,284 sqft
Parking Spaces	5 Parking Spaces
Deck Area	538 sqft
Patio Area	538 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Heating Fuel	Gas

Location & Zoning

Street Address	520 SULLIVAN ST
City	DUBUQUE
State	IA
Zip	52003-7807
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOTS 1 & 2 OF LOT 1-5 OF MILLER ADD
Legal Subdivision	BRYANT
Legal Lot Number	1-5 2
Jurisdiction	DUBUQUE IA
Township / Civil Division	DUBUQUE
Census Block Group	3
Census Block	3004
Census Tract	801

Owner

Source: Dubuque County records · APN 10-36-131-008

Assessment roll updated May 1, 2025 · Last verified October 2025

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	520 SULLIVAN ST, DUBUQUE, IA 52003-7807
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jun 09, 2017	Deed of Trust, Mortgage · Conventional Mortgage AMERICAN TRUST & SAVINGS BANK
Apr 22, 2020	Deed of Trust, Mortgage · Commercial Mortgage DUPACO COMMUNITY CU
Aug 27, 2020	Deed of Trust, Mortgage · Line of Credit DUPACO COMMUNITY CU

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	May 11, 2000 · Amount on Record
Deed Sale	May 11, 2000 · Amount on Record
Deed Document Number	00D-005612
Record Updated	Jun 08, 2026

June 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DUBUQUE IA
Property Address	520 SULLIVAN ST, DUBUQUE, IA 52003-7807
Transaction Type	Mortgage
Record Updated	Feb 05, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000006848
Date	Jun 09, 2017
Instrument	2017-00006848

Lender

Name	AMERICAN TRUST & SAVINGS BANK
Type	Bank
Address	DUBUQUE, IA 52004

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DUBUQUE IA
Property Address	520 SULLIVAN ST, DUBUQUE, IA 52003-7807
Transaction Type	Mortgage
Record Updated	Feb 05, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000004872
Date	Apr 22, 2020
Instrument	2020-00004872

Lender

Name	DUPACO COMMUNITY CU
Type	Credit Union
Address	DUBUQUE, IA 52001

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded
Term	88 Months
Due	Aug 22, 2027

August 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DUBUQUE IA
Property Address	520 SULLIVAN ST, DUBUQUE, IA 52003-7807
Transaction Type	Mortgage
Record Updated	Feb 05, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000012739
Date	Aug 27, 2020
Instrument	2020-00012739

Lender

Name	DUPACO COMMUNITY CU
Type	Credit Union
Address	DUBUQUE, IA 52002

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	300 Months
Due	Aug 26, 2045

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

Source: Dubuque County records · Assessment roll updated May 1, 2025 · Last verified October 2025

Property Jurisdictions

Type	Name
State	Iowa
County	Dubuque County
Municipality	Dubuque City
Unified School District	Dubuque Community School District (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$311,000 (+8.51%) Land $43,900 Building $267,100	$311,000 (+8.51%) Land $43,900 Building $267,100
2024	$3,778.00 (+2.16%)
2023		$286,600 (+28.31%) Land $39,900 Building $246,700	$286,600 (+28.31%) Land $39,900 Building $246,700
2022	$3,698.00 Homeowner's exemption	$223,360 Land $35,940 Building $187,420
2021			$223,360 Land $35,940 Building $187,420

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Dubuque County (19061C), updated August 9, 2021 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 190610008013, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Nearby Flood Claims	1 (2011)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jul 2011, rainfall accumulation, Severe Storms And Flooding

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 298 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Hawkeye Topco Holdings	Fiber	1,000 / 1,000
Mediacom Communications	Cable	1,000 / 50
Verizon	Fixed Wireless	300 / 20
T-Mobile USA	Fixed Wireless	100 / 20

May also be available at this address: Comelec Services, Mediacom Communications, AMG Technology Investment Group, Lumen Technologies. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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