Dane County property record for 909 Derby Dr, Sun Prairie, WI 53590
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,608 sqft · built 1973 |
| Lot Size | 0.303 acres (13,242 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $6,644 (2025) |
| Deeds & Mortgages | May 2019 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 0811-041-4882-8 |
| Primary APN | 0811-041-4882-8 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 1,608 sqft Living Area |
| 1st Floor Area | 1,608 sqft |
| Basement Area | 1,608 sqft |
| Family Room | Family Room |
| Game Room | Game Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1973 |
|---|---|
| Architectural Style | Ranch |
| Lot Area | 13,242 sqft (0.303 acres) |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Deck Area | 291 sqft |
| Patio Area | 240 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air |
| Heating Fuel | Gas |
| Street Address | 909 DERBY DR |
|---|---|
| City | SUN PRAIRIE |
| State | WI |
| Zip | 53590-2407 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SR4 |
| Legal Description | CARRIAGE HILL EAST LOT 152 |
| Legal Range | 11 |
| Legal Township | 08 |
| Legal Section | 04 |
| Legal Subdivision | CARRIAGE HILL EAST |
| Legal Block | 48 |
| Legal Lot Number | 152 |
| Jurisdiction | DANE WI |
| Township / Civil Division | SUN PRAIRIE |
| Census Block Group | 4 |
| Census Block | 4018 |
| Census Tract | 11600 |
909 Derby Dr is owned and occupied by two individuals.
Source: Dane County records, as of January 22, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Co-owner | Co-owner on File |
| Mailing Address | 909 DERBY DR, SUN PRAIRIE, WI 53590-2407 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 909 DERBY DR, SUN PRAIRIE, WI 53590-2407 |
| Document Number | 0005493178 |
| Instrument Date | May 28, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Jun 19, 2019 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 909 DERBY DR SUN PRAIRIE WI 535902407, SUN PRAIRIE, WI 53590-2407 |
| Document Number | 0005493178 |
|---|---|
| Date | Jun 5, 2019 |
| Instrument | 5493178 |
| Name | SUMMIT CU |
|---|---|
| Address | MADISON, WI 53718 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jun 4, 2049 |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 909 Derby Dr was $6,644 with a homeowner's exemption.
Source: Dane County assessment roll, as of January 1, 2025
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Dane County |
| Municipality | Sun Prairie City |
| Unified School District | Sun Prairie Area School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $6,644.00 Homeowner's exemption | $337,200 Land $77,000 Building $260,200 | $382,400 |
| 2023 | $337,200 Land $77,000 Building $260,200 | $337,200 | |
| 2022 | $5,737.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 909 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.
The area around 909 Derby Dr 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.
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 |
| 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.
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 |
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