920 Derby Dr, Sun Prairie, WI 53590 Property Records

Dane County property record for 920 Derby Dr, Sun Prairie, WI 53590

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,008 sqft · built 1973
Lot Size	0.3 acres (13,068 sqft)
Owner	2 Individual Names on File
Last Sale	$324,900 (Sep 2020)
Tax Bill	$6,903 (2025)
Deeds & Mortgages	Sep 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`0811-041-4730-1`

Property Details

APN / Parcel Number

Primary APN	`0811-041-4730-1`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	2,008 sqft Living Area
1st Floor Area	1,112 sqft
2nd Floor Area	896 sqft
Basement Area	1,112 sqft
Family Room	Family Room
Game Room	Game Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1973
Effective Year Built	Effective 1973
Architectural Style	Colonial
Lot Area	13,068 sqft (0.3 acres)
Garage Type	Attached
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Deck Area	280 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Connected
Water Source	Commercial

Location & Zoning

Street Address	920 DERBY DR
City	SUN PRAIRIE
State	WI
Zip	53590-2408
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	SR4
Legal Description	CARRIAGE HILL EAST LOT 140
Legal Range	11E
Legal Township	08N
Legal Section	04
Legal Subdivision	CARRIAGE HILL EAST
Legal Block	47
Legal Lot Number	140
Jurisdiction	DANE WI
Township / Civil Division	SUN PRAIRIE
Census Block Group	4
Census Block	4017
Census Tract	11600

Owner

920 Derby Dr is owned and occupied by two individuals who acquired it in January 2025.

Source: Dane County records, as of March 16, 2026

Owner of Record	2 Individual Names on File
Mailing Address	920 DERBY DR, SUN PRAIRIE, WI 53590-2408
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

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 21, 2020 · Amount on File
Deed Sale	Sep 21, 2020 · Amount on File
Deed Document Number	20205639145
Last Transfer Date	Jan 24, 2025
Transfer Doc	0006010224
Record Updated	Sep 20, 2026

September 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DANE WI
Recording Date	Sep 21, 2020
Property Address	920 DERBY DR, SUN PRAIRIE, WI 53590-2408
Document Number	0005639145
Instrument Date	Sep 15, 2020
Instrument	5639145
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	$974.70
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	920 DERBY DR, SUN PRAIRIE, WI 53590-2408

Mortgage

Document Number	0005639146
Date	Sep 21, 2020
Instrument	5639146

Lender

Name	SUMMIT CU

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 920 Derby Dr was $6,903.

Source: Dane County assessment roll, as of March 16, 2026

Property Jurisdictions

Type	Name
State	Wisconsin
County	Dane County
Municipality	Sun Prairie City
Unified School District	Sun Prairie Area School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$6,903.00 Homeowner's exemption	$350,000 Land $76,800 Building $273,200	$396,900
2023		$350,000 Land $76,800 Building $273,200	$350,000 Land $76,800 Building $273,200
2022	$5,964.00

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

Flood

FEMA maps place 920 Derby Dr in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 20, 2026 · 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 Policies	2 in force

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.

Wildfire

Wildfire risk around 920 Derby Dr 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 96% of the US · lower than 90% of Wisconsin
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

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	SUN PRAIRIE UTILITIES serves 39,300 people · EPA ID WI1130258
Water Source	Groundwater
Last State Inspection	Feb 2026
Lead	3 ppb (2023) action level 15 ppb

Violations Reported to EPA

Water Quality	Fluoride resolved · Jan 2023
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. The service area is an EPA estimate; the actual supplier may differ.

Internet Providers

Source: FCC Broadband Data Collection, based on 386 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
TDS Telecom Fiber	8,000 / 8,000
Frontier Fiber	7,000 / 7,000
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
LiteWire Fixed Wireless	100 / 25
T-Mobile Fixed Wireless	100 / 20
Bertram Communications Fixed Wireless	100 / 20