4530 Onyx Ln, Madison, WI 53714 Property Records

Dane County property record for 4530 Onyx Ln, Madison, WI 53714

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,591 sqft · built 1963
Lot Size	0.194 acres (8,451 sqft)
Owner	Individual Name on File
Last Sale	$222,000 (Jun 2018)
Tax Bill	$5,700 (2024)
Deeds & Mortgages	Oct 2020 Mortgage Aug 2019 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`0710-033-2020-8`

Property Details

APN / Parcel Number

Primary APN	`0710-033-2020-8`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,591 sqft Living Area
1st Floor Area	978 sqft
Basement Area	978 sqft
Finished Basement	613 sqft
Family Room	Family Room
Flooring	Wood
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1963
Effective Year Built	Effective 1991
Architectural Style	Ranch
Exterior Material	Aluminum/Vinyl
Foundation Type	Concrete
Roof Material	Asphalt
Lot Area	8,451 sqft (0.194 acres)
Lot Dimensions	130 ft deep x 65 ft wide
Garage Type	Detached
Garage Area	352 sqft
Driveway	Driveway
Driveway Area	144 sqft
Parking Spaces	1 Parking Space
Deck Area	206 sqft
Patio Area	206 sqft

Utilities, Heating & Cooling

Cooling System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	4530 ONYX LN
City	MADISON
State	WI
Zip	53714-2529
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	SR-C1
Legal Description	KINGSTON REPLAT, LOT 393
Legal Range	10
Legal Township	07
Legal Section	03
Legal Subdivision	KINGSTON REPLAT
Legal Lot Number	393
Jurisdiction	DANE WI
Township / Civil Division	MADISON
Census Block Group	5
Census Block	5015
Census Tract	3001

Owner

4530 Onyx Ln is owned and occupied by an individual who bought it in June 2018.

Source: Dane County records, as of January 22, 2026

Owner of Record	Individual Name on File
Co-owner	Co-owner on File
Mailing Address	4530 ONYX LN, MADISON, WI 53714-2529
Occupancy	Owner Occupied
Owner Type	Individual

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
Oct 21, 2020	Deed of Trust, Mortgage · Conventional Mortgage PARK BANK
Aug 20, 2019	Deed of Trust, Mortgage · Conventional Mortgage PARK BANK
Jun 1, 2018	Warranty Deed, Transfer · Conventional Mortgage PARK BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 1, 2018 · Amount on File
Deed Sale	Jun 1, 2018 · Amount on File
Prior Sale	Jan 3, 2013 · Amount on File
Deed Document Number	5413338
Record Updated	Jun 8, 2026

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DANE WI
Property Address	4530 ONYX LN, MADISON, WI 53714-2529
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0005652111
Date	Oct 21, 2020
Instrument	5652111

Lender

Name	PARK BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 1, 2050

Interest

Rate Type	Fixed Rate

August 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DANE WI
Property Address	4530 ONYX LN, MADISON, WI 53714-2529
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0005514958
Date	Aug 20, 2019
Instrument	5514958

Lender

Name	PARK BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Sep 1, 2049

Interest

Rate Type	Fixed Rate

June 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DANE WI
Recording Date	Jun 1, 2018
Property Address	4530 ONYX LN, MADISON, WI 53714-2529
Document Number	0005413338
Instrument Date	May 31, 2018
Instrument	5413338
Transaction Type	Transfer
Record Updated	Jun 14, 2021

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$666.00
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4530 ONYX LN, MADISON, WI 53714-2529

Mortgage

Document Number	0005413339
Date	Jun 1, 2018
Instrument	5413339

Lender

Name	PARK BANK

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

Interest

Rate Type	Fixed Rate

Mortgage

Document Number	0005413340
Date	Jun 1, 2018
Instrument	5413340

Lender

Name	CITY OF MADISON
Type	Government Agency

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

Interest

Rate Type	Fixed Rate

Tax Assessment & Valuation

Source: Dane County assessment roll, as of January 1, 2025

Property Jurisdictions

Type	Name
State	Wisconsin
County	Dane County
Municipality	Madison City
Unified School District	Madison Metropolitan School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$341,900 Land $65,400 Building $276,500
2024	$5,700.00		$341,900
2023		$309,100 Land $59,100 Building $250,000
2022	$5,116.00

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

Flood

FEMA maps place 4530 Onyx Ln in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 20, 2026

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

The area around 4530 Onyx Ln has no burnable land within ember reach, so its wildfire risk is not rated.

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.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	MADISON WATER UTILITY serves 272,000 people · EPA ID WI1130224
Water Source	Groundwater
Last State Inspection	Apr 2023
Lead	2 ppb (2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Lead service line inventory Oct 2024
Monitoring and Reporting	1 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 446 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
LiteWire Fixed Wireless	100 / 25
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: T-Mobile.

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