374 Trapp St, Sun Prairie, WI 53590 Property Records

Dane County property record for 374 Trapp St, Sun Prairie, WI 53590

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,306 sqft · built 1963
Lot Size	0.279 acres (12,153 sqft)
Owner	Individual Name on File
Last Sale	$136,500 (Nov 2011)
Tax Bill	$6,931 (2025)
Deeds & Mortgages	Aug 2026 Line of Credit Oct 2023 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`0911-333-5145-3`

Property Details

APN / Parcel Number

Primary APN	`0911-333-5145-3`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Building Area	1,306 sqft Living Area
1st Floor Area	1,306 sqft
Basement Area	1,306 sqft
Game Room	Game Room

Exterior

Year Built	Built 1963
Effective Year Built	Effective 1963
Architectural Style	Split Level
Lot Area	12,153 sqft (0.279 acres)
Garage Type	Attached
Garage Area	506 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Deck Area	165 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Connected
Water Source	Commercial

Location & Zoning

Street Address	374 TRAPP ST
City	SUN PRAIRIE
State	WI
Zip	53590-1565
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	SR4
Legal Description	MEMORIAL HEIGHTS LOT 95
Legal Range	11E
Legal Township	09N
Legal Section	33
Legal Subdivision	MEMORIAL HEIGHTS
Legal Block	51
Legal Lot Number	95
Jurisdiction	DANE WI
Township / Civil Division	SUN PRAIRIE
Census Block Group	1
Census Block	1012
Census Tract	11600

Owner

374 Trapp St is owned and occupied by an individual who bought it in November 2011.

Source: Dane County records, as of September 15, 2026

Owner of Record	Individual Name on File
Mailing Address	374 TRAPP ST, SUN PRAIRIE, WI 53590-1565
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
Aug 31, 2026	Deed of Trust, Mortgage · Line of Credit UW CREDIT UNION
Oct 6, 2023	Deed of Trust, Mortgage · Conventional Mortgage SUMMIT CU
Apr 25, 2018	Deed of Trust, Mortgage · Line of Credit SUMMIT CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 11, 2011 · Amount on File
Deed Sale	Nov 11, 2011 · Amount on File
Deed Document Number	20114811926
Prior Transfer Date	Oct 21, 2011
Prior Transfer Doc	0004804601
Record Updated	Oct 29, 2026

August 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DANE WI
Recording Date	Aug 31, 2026
Property Address	374 TRAPP ST, SUN PRAIRIE, WI 53590-1565
Document Number	0006122714
Instrument Date	Aug 11, 2026
Instrument	20266122714
Transaction Type	Mortgage
Record Updated	Sep 15, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0006122714,
Date	Aug 31, 2026
Instrument	20266122714

Lender

Name	UW CREDIT UNION

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Max Rate	-1%

October 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DANE WI
Property Address	374 TRAPP ST, SUN PRAIRIE, WI 53590-1565
Transaction Type	Mortgage
Record Updated	Oct 25, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name
Investor	Possibly a Property Investor

Mortgage

Document Number	0005927783
Date	Oct 6, 2023
Instrument	5927783

Lender

Name	SUMMIT CU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Oct 5, 2053

April 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DANE WI
Property Address	374 TRAPP ST, SUN PRAIRIE, WI 53590-1565
Document Number	0005405902
Instrument Date	Apr 25, 2018
Transaction Type	Mortgage
Record Updated	May 23, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Married Couple
Address	374 TRAPP ST SUN PRAIRIE WI 535901565, SUN PRAIRIE, WI 53590-1565

Mortgage

Document Number	0005405902
Date	May 1, 2018
Instrument	5405902

Lender

Name	SUMMIT CU
Address	MADISON, WI 53718

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Apr 30, 2048

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 374 Trapp St was $6,931.

Source: Dane County assessment roll, as of March 16, 2026

Property Jurisdictions

Type	Name
State	Wisconsin
County	Dane County
Municipality	Sun Prairie City
Unified School District	Sun Prairie Area School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$6,931.00 Homeowner's exemption	$351,400 Land $73,500 Building $277,900	$398,600
2023		$351,400 Land $73,500 Building $277,900	$351,400 Land $73,500 Building $277,900
2022	$5,989.00

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

Flood

FEMA maps place 374 Trapp St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 20, 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 374 Trapp 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 97% of the US · lower than 92% of Wisconsin
Wildfire Likelihood	Under 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	SUN PRAIRIE UTILITIES serves 39,300 people · EPA ID WI1130258
Water Source	Groundwater
Last State Inspection	Feb 2026
Lead	3 ppb (2023) action level 15 ppb

Violations Reported to EPA

Water Quality	Fluoride resolved · Jan 2023
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 193 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 / 35
Verizon Fixed Wireless	300 / 20
Bertram Communications Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: LiteWire.

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