961 E Porter Ave, Naperville, IL 60540 Property Records

DuPage County property record for 961 E Porter Ave, Naperville, IL 60540

Property Summary

Property Type	Single Family Home
Details	6.5 ba · 9,680 sqft · built 2011
Lot Size	0.84 acres (36,590 sqft)
Owner	2 Individual Names on File
Last Sale	$497,500 (Dec 2009)
Tax Bill	$50,925 (2025)
Deeds & Mortgages	Jan 2018 Line of Credit Jul 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`08-19-206-027`

Property Details

APN / Parcel Number

Primary APN	`08-19-206-027`

Interior

Full Baths	6.5 Baths
Half Baths	3 Half Baths
Stories	2 Stories
Building Area	9,680 sqft Living Area
Gross Area	10,351 sqft
1st Floor Area	3,108 sqft
2nd Floor Area	3,488 sqft
Basement Area	3,755 sqft
Finished Basement	3,084 sqft
Unfinished Basement	671 sqft

Exterior

Year Built	Built 2011
Effective Year Built	Effective 2011
Lot Area	36,590 sqft (0.84 acres)
Garage Area	1,483 sqft
Parking Spaces	5 Parking Spaces

Location & Zoning

Street Address	961 E PORTER AVE
City	NAPERVILLE
State	IL
Zip	60540-5527
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R
Legal Description	BOYTIM SUB ALL
Legal Subdivision	BOYTIM SUB
Legal Lot Number	1
Jurisdiction	DU PAGE IL
Township / Civil Division	LISLE
Census Block Group	2
Census Block	2015
Census Tract	846209

Owner

961 E Porter Ave is owned and occupied by two individuals who bought it in December 2009.

Source: DuPage County records, as of August 17, 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	2 Individual Names on File
Mailing Address	961 E PORTER AVE, NAPERVILLE, IL 60540-5527
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jan 18, 2018	Deed of Trust, Mortgage · Line of Credit US BANK NA
Jul 16, 2020	Deed of Trust, Mortgage · Conventional Mortgage US BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 3, 2009 · Amount on File
Deed Sale	Dec 3, 2009 · Amount on File
Deed Document Number	2009180715
Prior Transfer Date	Nov 26, 2003
Prior Transfer Doc	0000000686
Record Updated	Sep 20, 2026

January 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DU PAGE IL
Property Address	961 E PORTER AVE, NAPERVILLE, IL 60540-5527
Transaction Type	Mortgage
Record Updated	Dec 14, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000005447
Date	Jan 18, 2018
Instrument	R2018-005447

Lender

Name	US BANK NA
Type	Bank
Address	OSHKOSH, WI 54902

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	359 Months
Due	Dec 22, 2047

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DU PAGE IL
Property Address	961 E PORTER AVE, NAPERVILLE, IL 60540-5527
Transaction Type	Mortgage
Record Updated	Dec 14, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000075668
Date	Jul 16, 2020
Instrument	R2020-075668

Lender

Name	US BANK NA
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	2.75%
Type Change Date	Aug 1, 2030
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	7.75%
Index	1-Year CMT
Max Rate	7.75%

Tax Assessment & Valuation

Source: DuPage County assessment roll, as of August 17, 2026

Property Jurisdictions

Type	Name
State	Illinois
County	DuPage County
County Subdivision	Lisle Township
Municipality	Naperville City
Unified School District	Naperville Community Unit District 203 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$50,925.00 (+3.47%) Homeowner's exemption	$880,587 (+8.53%) Land $239,164 Building $641,423	$2,641,761 (+8.53%) Land $717,492 Building $1,924,269
2024	$49,215.00 (+3.53%)	$811,377 (+9.57%) Land $220,367 Building $591,010	$2,434,131 (+9.57%) Land $661,101 Building $1,773,030
2022	$47,536.00 Homeowner's exemption	$740,510 Land $201,120 Building $539,390	$2,221,530 Land $603,360 Building $1,618,170

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

Flood

FEMA maps place 961 E Porter Ave in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 2008.

Source: FEMA National Flood Hazard Layer, effective September 1, 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
Flood Insurance Cost	Premium on File median of 11 policies
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	11 in force
Nearby Flood Claims	4 (2008–2020)
Claims Outside the SFHA	3 of 4
Most Recent Claim	May 2020 · rainfall accumulation
Claims by Event	Severe Storms And Flooding, Sep 2008 · 2 claims

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

Wildfire risk around 961 E Porter Ave 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 70% of Illinois
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	NAPERVILLE serves 156,406 people · EPA ID IL0434670
Water Source	Purchased surface water from DU PAGE WATER COMMISSION
Last State Inspection	Sep 2025
Lead	6 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	15 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 404 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fixed Wireless in parts of the area	100 / 20

May also be available: Verizon.

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