145 Oak St, Berlin, WI 54923 Property Records

Green Lake County property record for 145 Oak St, Berlin, WI 54923

Property Summary

Property Type	Single Family Home
Lot Size	0.178 acres (7,754 sqft)
Owner	Individual Name on Record
Last Sale	$126,000 (Feb 2021)
Tax Bill	$3,712 (2025)
Deeds & Mortgages	Mar 2024 Line of Credit Feb 2021 Sale
Flood Zone	Zone X (minimal risk)
APN	`206-00340-0000`

Property Details

APN / Parcel Number

Primary APN	`206-00340-0000`

Exterior

Lot Area	7,754 sqft (0.178 acres)

Location & Zoning

Street Address	145 OAK ST
City	BERLIN
State	WI
Zip	54923-1619
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	FIRST ADDITION N 53'6 OF LOTS 8 & 9; N 53'6 OF E 12' OF LOT 7, OUTLOTS ADJACENT BLKS 5 & 6 INCL ESMT
Legal Range	13E
Legal Township	17N
Legal Section	03
Legal Subdivision	FIRST ADDITION
Legal Block	5-6
Legal Lot Number	7-9
Jurisdiction	GREEN LAKE WI
Township / Civil Division	BERLIN
Census Block Group	2
Census Block	2019
Census Tract	100100

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Individually Listed	Nathan Strong Park Historic District listed 2005 · 161 contributing resources · NRIS 05000423

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

Source: Green Lake County records, as of October 7, 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 Record
Mailing Address	145 OAK ST, BERLIN, WI 54923-1619
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Mar 28, 2024	Deed of Trust, Mortgage · Line of Credit BMO BANK NA
Feb 22, 2021	Warranty Deed, Transfer DOWNEY ABSTRACT AND TITLE, GOWEY ABSTRACT & TITLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 22, 2021 · Amount on Record
Deed Sale	Feb 22, 2021 · Amount on Record
Deed Document Number	2021410424
Prior Transfer Date	Nov 9, 2015
Prior Transfer Doc	0000389045
Record Updated	Oct 29, 2026

March 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREEN LAKE WI
Property Address	145 OAK ST, BERLIN, WI 54923-1619
Transaction Type	Mortgage
Record Updated	Apr 24, 2024

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000422422
Date	Mar 28, 2024
Instrument	422422

Lender

Name	BMO BANK NA
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Mar 26, 2054

February 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREEN LAKE WI
Recording Date	Feb 22, 2021
Property Address	145 OAK ST, BERLIN, WI 54923-1619
Document Number	0000410424
Instrument Date	Feb 19, 2021
Instrument	410424
Transaction Type	Transfer
Record Updated	Apr 23, 2024
Title Company	DOWNEY ABSTRACT AND TITLE, GOWEY ABSTRACT & TITLE

Transaction

Amount	Amount Recorded
Tax	$378.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	145 OAK ST, BERLIN, WI 54923-1619
Investor	Possibly a Property Investor

Tax Assessment & Valuation

Source: Green Lake County assessment roll, as of February 18, 2026

Property Jurisdictions

Type	Name
State	Wisconsin
County	Green Lake County
Municipality	Berlin City
Unified School District	Berlin Area School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$3,712.00 (+41.79%) Homeowner's exemption	$237,000 (+137.95%) Land $18,500 Building $218,500	$243,973 (+90.71%) Land $19,044 Building $224,929
2023	$2,618.00 Homeowner's exemption	$99,600 Land $12,200 Building $87,400	$127,931 Land $15,670 Building $112,261

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 June 4, 2014 · 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	3 in force
Nearby Flood Claims	1 (2012)
Claims Outside the SFHA	1 of 1
Most Recent Claim	May 2012 · river or lake 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 80% of the US · above 57% of Wisconsin
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

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	BERLIN WATERWORKS serves 5,524 people · EPA ID WI4240216
Water Source	Groundwater
Last State Inspection	Sep 2025
Lead	Under 1 ppb (2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 461 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
Starlink Satellite	280 / 30

May also be available: Bertram Communications.

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