4170 N 143rd St, Brookfield, WI 53005 Property Records

Waukesha County property record for 4170 N 143rd St, Brookfield, WI 53005

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 3,158 sqft · built 1955
Lot Size	1.03 acres (45,302 sqft)
Owner	2 Individual Names on File
Tax Bill	$4,813 (2025)
Deeds & Mortgages	Oct 2025 Transfer Aug 2023 Sale + 2 more
Flood Zone	Zone X (minimal risk)
APN	`BR C-1016-079`

Property Details

APN / Parcel Number

Primary APN	`BR C-1016-079`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	3,158 sqft Living Area
1st Floor Area	2,298 sqft
Basement Area	842 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1955
Architectural Style	Custom Design
Exterior Material	Aluminum/Vinyl
Lot Area	45,302 sqft
View / Lot	Cul-De-Sac
Garage Type	Carport
Carport	Carport
Patio Area	720 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Well

Location & Zoning

Street Address	4170 N 143RD ST
City	BROOKFIELD
State	WI
Zip	53005-1104
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 1 BLK 2 SUNNYVIEW RANCH PT SE1/4 SEC 2 T7N R20E
Legal Range	20E
Legal Township	7N
Legal Section	2
Legal Subdivision	SUNNYVIEW RANCH
Legal Block	2
Legal Lot Number	1
Jurisdiction	WAUKESHA WI
Township / Civil Division	BROOKFIELD
Census Block Group	2
Census Block	2023
Census Tract	200700

Owner

4170 N 143rd St is owned and occupied by two individuals who acquired it in May 2023.

Source: Waukesha County records, as of June 23, 2026

Owner of Record	2 Individual Names on File
Mailing Address	4170 N 143RD ST, BROOKFIELD, WI 53005-1104
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 30, 2025	Transfer on Death Deed, Transfer
Aug 4, 2023	Deed, Transfer
Mar 14, 2023	Warranty Deed, Transfer
Mar 30, 2023	Correction Deed

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	May 3, 2023
Transfer Doc	0004731610
Record Updated	Sep 20, 2026

October 2025: Transfer on Death Deed, Transfer

Document Type	Transfer on Death Deed
Jurisdiction	WAUKESHA WI
Recording Date	Oct 30, 2025
Property Address	4170 N 143RD ST, BROOKFIELD, WI 53005-1104
Document Number	0004844514
Instrument Date	Oct 27, 2025
Instrument	4844514
Transaction Type	Transfer
Record Updated	Nov 18, 2025

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	4170 N 143RD ST, BROOKFIELD, WI 53005-1104

Transferred To (Grantee/Buyer)

Name	Verified Name

August 2023: Deed, Transfer

Document Type	Deed
Jurisdiction	WAUKESHA WI
Recording Date	Aug 4, 2023
Property Address	4170 N 143RD ST, BROOKFIELD, WI 53005-1104
Document Number	0004731610
Instrument Date	May 3, 2023
Instrument	4731610
Transaction Type	Transfer
Record Updated	Apr 4, 2024

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

March 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	WAUKESHA WI
Recording Date	Mar 14, 2023
Property Address	4170 N 143RD ST, BROOKFIELD, WI 53005-1104
Document Number	0004711875
Instrument Date	Mar 1, 2023
Instrument	4711875
Transaction Type	Transfer
Record Updated	Apr 4, 2024

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

March 2023: Correction Deed

Document Type	Correction Deed
Jurisdiction	WAUKESHA WI
Recording Date	Mar 30, 2023
Property Address	4170 N 143RD ST, BROOKFIELD, WI 53005-1104
Document Number	0004713764
Instrument Date	Mar 1, 2023
Instrument	4713764
Record Updated	Apr 4, 2024

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Tax Assessment & Valuation

The 2025 property tax bill for 4170 N 143rd St was $4,813, up 3.1% from the year before.

Source: Waukesha County assessment roll, as of June 23, 2026

Property Jurisdictions

Type	Name
State	Wisconsin
Municipality	Brookfield City
County	Waukesha County
Unified School District	Elmbrook School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$4,813.00 (+3.06%)	$421,500 (-) Land $126,500 Building $295,000	$474,600 (+5.96%)
2024	$4,670.00 (+0.04%) Homeowner's exemption	$421,500 (-) Land $126,500 Building $295,000	$447,900 (-0.18%)
2023	$4,668.00 (-12.12%) Homeowner's exemption	$421,500 (+32.13%) Land $126,500 Building $295,000	$448,700 (+18.96%)
2022	$5,312.00 Homeowner's exemption	$319,000 Land $112,900 Building $206,100	$377,200

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

Flood

FEMA maps place 4170 N 143rd St in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective October 19, 2025

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 4170 N 143rd St 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 95% of the US · lower than 88% 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	BROOKFIELD WATER UTILITY serves 29,070 people · EPA ID WI2680253
Water Source	Groundwater
Last State Inspection	Sep 2023
Lead	2 ppb (2023) action level 15 ppb

Violations Reported to EPA

Water Quality	Radium resolved · Apr 2020
Treatment and Procedure	None last 10 years
Monitoring and Reporting	4 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 182 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Spectrum Cable	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20

May also be available: Verizon.

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