517 E Union Ave, Wausau, WI 54403 Property Records

Marathon County property record for 517 E Union Ave, Wausau, WI 54403

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · built 1900
Lot Size	0.169 acres (7,405 sqft)
Owner	Individual Name on File
Last Sale	$175,000 (May 2023)
Tax Bill	$2,973 (2025)
Deeds & Mortgages	May 2023 Sale & Mortgage Jul 2019 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`291-2907-243-0213`

Property Details

APN / Parcel Number

Primary APN	`291-2907-243-0213`
Alternative APN	`59-4600-006-012-00-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	2 Stories
Fireplace	Fireplace

Exterior

Year Built	Built 1900
Exterior Material	Aluminum/Vinyl
Foundation Type	Raised
Lot Area	7,405 sqft (0.169 acres)
Garage Type	Detached
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	517 E UNION AVE
City	WAUSAU
State	WI
Zip	54403-3364
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R3
Legal Description	KIEFER MILLER & RINGLES ADD LOT 12 BLK 6
Legal Range	07
Legal Township	29
Legal Section	24
Legal Quarter	SE
Legal Subdivision	KIEFER MILLER & RINGLES ADD
Legal Block	6
Legal Lot Number	12
Jurisdiction	MARATHON WI
Township / Civil Division	WAUSAU
Census Block Group	5
Census Block	5014
Census Tract	300

Owner

517 E Union Ave is owned and occupied by an individual who bought it in May 2023.

Source: Marathon County records, as of February 9, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Individual Name on File
Co-owner	Co-owner on File
Mailing Address	517 E UNION AVE, WAUSAU, WI 54403-3364
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
May 26, 2023	Warranty Deed, Transfer · Conventional Mortgage ROYAL CU
Jul 22, 2019	Warranty Deed, Transfer · Conventional with PMI QUICKEN LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 26, 2023 · Amount on File
Deed Sale	May 26, 2023 · Amount on File
Prior Sale	Jul 22, 2019 · Amount on File
Deed Document Number	1881931
Record Updated	Jun 8, 2026

May 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	MARATHON WI
Recording Date	May 26, 2023
Property Address	517 E UNION AVE, WAUSAU, WI 54403-3364
Document Number	0001881931
Instrument Date	May 26, 2023
Instrument	1881931
Transaction Type	Transfer
Record Updated	Apr 23, 2024
Title Company	COUNTY LAND AND TITLE, COUNTY LAND AND TITLE LLC

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$525.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship

Mortgage

Document Number	0001881932
Date	May 26, 2023
Instrument	1881932

Lender

Name	ROYAL CU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2053

July 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	MARATHON WI
Recording Date	Jul 22, 2019
Property Address	517 E UNION AVE, WAUSAU, WI 54403-3364
Document Number	0001783696
Instrument Date	Jul 19, 2019
Instrument	1783696
Transaction Type	Transfer
Record Updated	Aug 15, 2019
Title Company	COUNTY LAND AND TITLE, COUNTY LAND & TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$375.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	517 E UNION AVE WAUSAU WI 544033364, WAUSAU, WI 54403-3364

Mortgage

Document Number	1783697
Date	Jul 22, 2019
Instrument	1783697

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional with PMI
Amount	Amount on Record
Term	360 Months
Due	Jul 21, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 517 E Union Ave was $2,973 with a homeowner's exemption.

Source: Marathon County assessment roll, as of January 1, 2024

Property Jurisdictions

Type	Name
State	Wisconsin
County	Marathon County
Municipality	Wausau City
Unified School District	Wausau School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$2,973.00	$169,500 Land $16,500 Building $153,000	$177,902 Land $17,318 Building $160,584
2023	$2,841.00 Homeowner's exemption	$125,500 Land $15,900 Building $109,600	$150,464 Land $19,063 Building $131,401

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

Flood

FEMA maps place 517 E Union Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 18, 2026

FEMA Flood Zone	Zone X minimal risk
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 517 E Union Ave 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	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	WAUSAU WATERWORKS serves 39,994 people · EPA ID WI7370102
Water Source	Groundwater
Last State Inspection	Dec 2023
Lead	6 ppb (2020) 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 481 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
TDS Telecom Fiber	8,000 / 8,000
Frontier Fiber	7,000 / 7,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
AT&T Fixed Wireless	100 / 20

May also be available: T-Mobile.

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