523 Rhomberg Ave, Dubuque, IA 52001 Property Records

Dubuque County property record for 523 Rhomberg Ave, Dubuque, IA 52001

Property Summary

Property Type	Duplex
Details	2 bd · 3 ba · 1,698 sqft · built 1892
Lot Size	0.067 acres (2,925 sqft)
Owner	Company Name on File
Last Sale	$120,000 (Aug 2023)
Tax Bill	$1,680 (2024)
Deeds & Mortgages	Aug 2023 Sale & Line of Credit Jan 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`10-24-229-006`

Property Details

APN / Parcel Number

Primary APN	`10-24-229-006`

Interior

Bedrooms	2 Beds
Full Baths	3 Baths
Half Baths	1 Half Bath
Plumbing Fixtures	9 Plumbing Fixtures
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,698 sqft Total Area
1st Floor Area	849 sqft
Upper Floors Area	849 sqft
Basement Area	849 sqft

Exterior

Year Built	Built 1892
Architectural Style	Other
Exterior Material	Wood Siding
Construction Type	Wood Frame
Lot Area	2,925 sqft (0.067 acres)
Lot Dimensions	117 ft deep x 25 ft wide
Garage Type	Detached
Garage Area	396 sqft
Parking Spaces	1 Parking Space
Porch	Enclosed Porch
Porch Area	270 sqft

Utilities, Heating & Cooling

Cooling System	None
Heating System	Forced Air
Heating Fuel	Gas

Location & Zoning

Street Address	523 RHOMBERG AVE
City	DUBUQUE
State	IA
Zip	52001-3574
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	CI
Legal Description	LOT 18 HIGH ST SUB & PT VACATED TROY ST
Legal Subdivision	AUDUBON
Legal Lot Number	18
Jurisdiction	DUBUQUE IA
Township / Civil Division	DUBUQUE
Census Block Group	3
Census Block	3009
Census Tract	500

Owner

523 Rhomberg Ave, a duplex, is owned by a company that bought it in August 2023.

Source: Dubuque County records, as of October 6, 2025

Owner of Record	Company Name on File
Mailing Address	5461 MEADOW CT, ASBURY, IA 52002-2530
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.

Deeds, Mortgages & Sale History

Date	Document
Aug 10, 2023	Warranty Deed, Transfer · Line of Credit DUPACO COMMUNITY CU
Jan 26, 2021	Warranty Deed, Transfer · Stand-Alone First Mortgage FIDELITY BANK & TRUST

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 10, 2023 · Amount on File
Deed Sale	Aug 10, 2023 · Amount on File
Prior Sale	Jan 26, 2021 · Amount on File
Deed Document Number	2023-00007653
Record Updated	Jun 8, 2026

August 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DUBUQUE IA
Recording Date	Aug 10, 2023
Property Address	523 RHOMBERG AVE, DUBUQUE, IA 52001-3574
Document Number	0000007653
Instrument Date	Aug 8, 2023
Instrument	2023-00007653
Transaction Type	Transfer
Record Updated	Aug 30, 2023

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$191.20
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5461 MEADOW CT, ASBURY, IA 52002-2530

Mortgage

Document Number	0000007654
Date	Aug 10, 2023
Instrument	2023-00007654

Lender

Name	DUPACO COMMUNITY CU
Type	Credit Union

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Aug 10, 2053

January 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DUBUQUE IA
Recording Date	Jan 26, 2021
Property Address	523 RHOMBERG AVE, DUBUQUE, IA 52001-3574
Document Number	0000001395
Instrument Date	Jan 22, 2021
Instrument	2021-00001395
Transaction Type	Transfer
Record Updated	Oct 12, 2021

Transaction

Amount	Amount on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$135.20
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1883 KEY WAY, DUBUQUE, IA 52002-3843

Mortgage

Document Number	0000001396
Date	Jan 26, 2021
Instrument	2021-00001396

Lender

Name	FIDELITY BANK & TRUST
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

Source: Dubuque County assessment roll, as of May 1, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$121,900 Land $10,500 Building $111,400	$121,900 Land $10,500 Building $111,400
2024	$1,680.00
2023		$94,800 (+30.02%) Land $9,200 Building $85,600	$94,800 Land $9,200 Building $85,600
2022	$1,258.00	$72,910 Land $7,880 Building $65,030
2021			$72,910 Land $7,880 Building $65,030

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

Flood

FEMA maps place 523 Rhomberg Ave 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.

Wildfire

Wildfire risk around 523 Rhomberg Ave is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 99.1% of the US · lower than 91% of Iowa
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 685 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
ImOn Communications Fiber	1,000 / 1,000
Mediacom Xtream Cable · Fiber in parts of the area	1,000 / 50
Verizon Fixed Wireless	300 / 20
CenturyLink DSL · Fiber in parts of the area	140 / 20

May also be available: Comelec Internet Services.

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