18325 Gate Post Rd, Brookfield, WI 53045 Property Records

Waukesha County property record for 18325 Gate Post Rd, Brookfield, WI 53045

Property Summary

Property Type	Single Family Home
Owner	Individual Name on File
Last Sale	$770,000 (Jun 2021)
Tax Bill	$10,449 (2025)
Deeds & Mortgages	Jun 2021 Mortgage Jul 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`BR C-1139-153`

Property Details

APN / Parcel Number

Primary APN	`BR C-1139-153`

Exterior

Architectural Style	Condo/Apartment

Location & Zoning

Street Address	18325 GATE POST RD
City	BROOKFIELD
State	WI
Zip	53045-6613
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	UNIT 5 ERBARY PLACE PT SW 1/4 SEC 33 T7N R20E
Legal Range	20E
Legal Township	7N
Legal Section	33
Legal Subdivision	ERBARY PLACE
Legal Lot Number	5
Jurisdiction	WAUKESHA WI
Township / Civil Division	BROOKFIELD
Census Block Group	2
Census Block	2000
Census Tract	201204

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on File
Mailing Address	18325 GATE POST RD, BROOKFIELD, WI 53045-6613
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jun 30, 2021	Deed of Trust, Mortgage · Conventional Mortgage MONONA STATE BANK
Jul 24, 2017	Warranty Deed, Transfer O'BRIEN JOSEPH D JR TRUST (PT)

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jun 30, 2021 · Amount on Record
Deed Sale	Jun 30, 2021 · Amount on Record
Prior Sale	Jul 24, 2017 · Amount on Record
Deed Document Number	20214597471
Record Updated	Sep 20, 2026

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WAUKESHA WI
Property Address	18325 GATE POST RD, BROOKFIELD, WI 53045-6613
Transaction Type	Mortgage
Record Updated	Apr 26, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0004597472
Date	Jun 30, 2021
Instrument	4597472

Lender

Name	MONONA STATE BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 1, 2051

Interest

Rate Type	Fixed Rate

July 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	WAUKESHA WI
Recording Date	Jul 24, 2017
Property Address	18325 GATE POST RD, BROOKFIELD, WI 53045-6613
Document Number	0004289903
Instrument Date	Jul 11, 2017
Instrument	4289903
Transaction Type	Transfer
Record Updated	Aug 22, 2017
Title Company	ATTORNEY ONLY

Transaction

Amount	Amount Recorded
Loan-to-Value (LTV)	LTV on Record
Tax	$1,964.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18325 GATE POST RD BROOKFIELD WI 530456613, BROOKFIELD, WI 53045-6613

Mortgage

Document Number	4289904
Date	Jul 24, 2017
Instrument	4289904

Lender

Name	O'BRIEN JOSEPH D JR TRUST (PT)

Agreement

Amount	Amount Recorded

Tax Assessment & Valuation

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	$10,449.00 (+2.45%)	$878,700 (-) Land $190,000 Building $688,700	$989,400 (+5.97%)
2024	$10,199.00 (-0.5%)	$878,700 (-) Land $190,000 Building $688,700	$933,700 (-0.18%)
2023	$10,250.00	$878,700 Land $190,000 Building $688,700	$935,400

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

Flood

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	7 in force
Nearby Flood Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Aug 1998 · Severe Storms And Flooding

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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 97% of the US · lower than 92% of Wisconsin
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

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 192 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
TDS Telecom Fiber	8,000 / 8,000
Spectrum Cable	1,000 / 50
Verizon Fixed Wireless	300 / 20
T-Mobile USA Fixed Wireless	100 / 20

May also be available: AT&T.

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