Waukesha County property record for 300 Gibson St, Mukwonago, WI 53149
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 3 ba · built 1900 |
| Lot Size | 0.32 acres (13,939 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $305,000 (Jan 2020) |
| Tax Bill | $4,755 (2025) |
| Deeds & Mortgages | May 2021 Mortgage Jan 2020 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | MUKV-1974-006 |
| Primary APN | MUKV-1974-006 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| 1st Floor Area | 432 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 13,939 sqft (0.32 acres) |
| Cooling System | None |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 300 GIBSON ST |
|---|---|
| City | MUKWONAGO |
| State | WI |
| Zip | 53149-1340 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 6 BLK 1 THE A H GIBSON PLAT OF MUKWONAGO PT NW1/4 SEC 26 T5N R18E |
| Legal Range | 18E |
| Legal Township | 5N |
| Legal Section | 26 |
| Legal Subdivision | THE A H GIBSON PLAT OF MUKWONAGO |
| Legal Block | 1 |
| Legal Lot Number | 6 |
| Jurisdiction | WAUKESHA WI |
| Township / Civil Division | MUKWONAGO |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 203901 |
300 Gibson St is owned and occupied by two individuals who bought it in January 2020.
Source: Waukesha County records, as of June 23, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 300 GIBSON ST, MUKWONAGO, WI 53149-1340 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Right of Survivorship |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| May 4, 2021 | Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT COM LLC |
| Jan 7, 2020 | Warranty Deed, Transfer · Conventional Mortgage CROSSCOUNTRY MORTGAGE LLC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 7, 2020 · Amount on File |
| Deed Sale | Jan 7, 2020 · Amount on File |
| Deed Document Number | 20204446317 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WAUKESHA WI |
| Property Address | 300 GIBSON ST, MUKWONAGO, WI 53149-1340 |
| Transaction Type | Mortgage |
| Record Updated | Jun 2, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0004580952 |
|---|---|
| Date | May 4, 2021 |
| Instrument | 4580952 |
| Name | LOANDEPOT COM LLC |
|---|---|
| Type | Funding / Finance Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 168 Months |
| Due | May 1, 2035 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WAUKESHA WI |
| Recording Date | Jan 7, 2020 |
| Property Address | 300 GIBSON ST, MUKWONAGO, WI 53149-1340 |
| Document Number | 0004446317 |
| Instrument Date | Dec 6, 2019 |
| Instrument | 4446317 |
| Transaction Type | Transfer |
| Record Updated | Jun 17, 2021 |
| Title Company | KNIGHT BARRY TITLE INC |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $915.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Right of Survivorship |
| Address | 300 GIBSON ST, MUKWONAGO, WI 53149-1340 |
| Document Number | 0004446318 |
|---|---|
| Date | Jan 7, 2020 |
| Instrument | 4446318 |
| Name | CROSSCOUNTRY MORTGAGE LLC |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Jan 1, 2035 |
The 2025 property tax bill for 300 Gibson St was $4,755.
Source: Waukesha County assessment roll, as of June 23, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Waukesha County |
| Municipality | Mukwonago Village |
| Unified School District | Mukwonago School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,755.00 | $391,100 Land $85,000 Building $306,100 | $414,100 |
| 2023 | $4,728.00 | $267,500 Land $37,500 Building $230,000 | $378,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 300 Gibson St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 19, 2025 · 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 | 6 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 risk around 300 Gibson St is low, with 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 80% of the US · above 57% of Wisconsin |
|---|---|
| Wildfire Likelihood | 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.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | MUKWONAGO WATERWORKS serves 8,190 people · EPA ID WI2680209 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2024 |
| Lead | 3 ppb (2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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 218 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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