Waukesha County property record for 312 Spring St, Mukwonago, WI 53149 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · built 1930 |
| Lot Size | 0.43 acres (18,731 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $185,000 (Jul 2018) |
| Tax Bill | $3,258 (2025) |
| Deeds & Mortgages | Sep 2025 Second Mortgage Jan 2021 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | MUKV-1974-945 |
| Primary APN | MUKV-1974-945 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| 1st Floor Area | 432 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Ranch |
| Exterior Material | Wood |
| Lot Area | 18,731 sqft (0.43 acres) |
| Cooling System | None |
|---|---|
| Heating System | Hot Water |
| Street Address | 312 SPRING ST |
|---|---|
| City | MUKWONAGO |
| State | WI |
| Zip | 53149-1333 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PT NW1/4 SEC 26 T5N R18E; COM CTR SEC; W 1507.44 FT; N 313.50 FT; N 100 FT; W 176 FT 4 IN; S12.25W 102 FT 4 IN; E 198 FT TO BGN :: DOC #4347524 |
| Legal Range | 18E |
| Legal Township | 5N |
| Legal Section | 26 |
| Legal Block | 18 |
| Legal Lot Number | 5 |
| Jurisdiction | WAUKESHA WI |
| Township / Civil Division | MUKWONAGO |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 203901 |
Source: Waukesha County records · APN MUKV-1974-945
Assessment roll updated June 23, 2026 · Last verified July 2026
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 | 312 SPRING ST, MUKWONAGO, WI 53149-1333 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Survivorship Marital Property |
| Date | Document |
|---|---|
| Sep 19, 2025 | Deed of Trust, Mortgage · Stand-Alone Second Mortgage PENNYMAC LOAN SERVICES LLC |
| Jan 12, 2021 | Deed of Trust, Mortgage · Conventional Mortgage AMERICAN FINANCIAL NETWORK INC |
| Dec 26, 2019 | Deed of Trust, Mortgage · Conventional Mortgage AMERICAN FINANCIAL NETWORK INC |
| Jul 02, 2018 | Warranty Deed, Transfer · Conventional Mortgage AMERICAN FINANCIAL NETWORK INC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 02, 2018 · Amount on Record |
| Deed Sale | Jul 02, 2018 · Amount on Record |
| Prior Sale | Sep 15, 2014 · Amount on Record |
| Deed Document Number | 20184347524 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WAUKESHA WI |
| Property Address | 312 SPRING ST, MUKWONAGO, WI 53149-1333 |
| Transaction Type | Mortgage |
| Record Updated | Oct 07, 2025 |
| Name | Verified Name |
|---|
| Document Number | 0004837809 |
|---|---|
| Date | Sep 19, 2025 |
| Instrument | 4837809 |
| Name | PENNYMAC LOAN SERVICES LLC |
|---|---|
| Type | Mortgage Company |
| Address | WESTLAKE VILLAGE, CA 91361 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2055 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WAUKESHA WI |
| Property Address | 312 SPRING ST, MUKWONAGO, WI 53149-1333 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | FIRST AMERICAN TITLE INS CO |
| Name | Verified Name |
|---|
| Document Number | 0004547274 |
|---|---|
| Date | Jan 12, 2021 |
| Instrument | 4547274 |
| Name | AMERICAN FINANCIAL NETWORK INC |
|---|---|
| Type | Funding / Finance Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Feb 01, 2051 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WAUKESHA WI |
| Property Address | 312 SPRING ST, MUKWONAGO, WI 53149-1333 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | FIRST AMERICAN TITLE INS CO |
| Name | Verified Name |
|---|
| Document Number | 0004444128 |
|---|---|
| Date | Dec 26, 2019 |
| Instrument | 4444128 |
| Name | AMERICAN FINANCIAL NETWORK INC |
|---|---|
| Type | Funding / Finance Company |
| Address | BREA, CA 92821 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 01, 2050 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WAUKESHA WI |
| Recording Date | Jul 02, 2018 |
| Property Address | 312 SPRING ST, MUKWONAGO, WI 53149-1333 |
| Document Number | 0004347524 |
| Instrument Date | Jun 15, 2018 |
| Instrument | 4347524 |
| Transaction Type | Transfer |
| Record Updated | Jun 17, 2021 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $555.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Address | 312 SPRING ST, MUKWONAGO, WI 53149-1333 |
| Document Number | 0004347525 |
|---|---|
| Date | Jul 02, 2018 |
| Instrument | 4347525 |
| Name | AMERICAN FINANCIAL NETWORK INC |
|---|---|
| Type | Funding / Finance Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 01, 2048 |
Source: Waukesha County records · Assessment roll updated June 23, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Waukesha County |
| Municipality | Mukwonago Village |
| Unified School District | Mukwonago School District (PK - 12) |
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 | $3,258.00 (-1.12%) | $282,100 (+41.76%) Land $88,500 Building $193,600 | $298,700 (+5.96%) |
| 2023 | $3,295.00 Homeowner's exemption | $199,000 Land $46,500 Building $152,500 | $281,900 |
Source: FEMA National Flood Hazard Layer, Waukesha County (55133C), updated October 19, 2025 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Wildfire Risk | Low above 6% of the US · above 16% of Wisconsin |
|---|---|
| Wildfire Likelihood | Less than 1 in 10,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
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