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House details (price, photos, square footage, MLS facts) are illustrative. Everything the AI knows about the area — schools, flood risk, market trends, walkability, climate, hazards, commute — is real, sourced from 25+ public government, academic, and industry research datasets for this exact ZIP code. Try asking the chat about the neighborhood.

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Listed byDemo Agent

Demo Brokerage

Demo Agent · Managing Broker: Jane Smith

(312) 555-0100

License #475.123456

408 S Washington Street, Naperville, IL

Naperville IL 60540

Single Family4 Bed3.5 Bath3,200 sqftBuilt 20052-Car Garage
Asking Price
$685,000

Photos

About this home

Spacious 4-bedroom colonial in downtown Naperville with hardwood floors, chef's kitchen, finished basement, and fenced backyard. Walk to the Riverwalk and top-rated District 203 schools.

Lot size
8,700 sqft
Year built
2005
Garage
2-car Attached 2.5-car garage with opener
Basement
Finished basement with recreation room and half bath
Heating
95% high-efficiency gas furnace (2018)
Cooling
Central AC, 16 SEER (2018)
Roof
Architectural asphalt shingle
Subdivision
Downtown Naperville / Washington Park
County
DuPage
11 days on market
Price history
8/20/2026$685,000initial
More details
HOA feesNo HOA
Property taxes$14,200/yr
Disclosures
flood ZoneNot in FEMA high-risk flood zone (confirm at time of offer)
seller DisclosureResidential Real Property Disclosure Report on file with listing agent
radon TestTest performed within last 24 months, below EPA action level (4.0 pCi/L)
special AssessmentsNone known
lead PaintBuilt 2005, after the 1978 federal lead-based paint cutoff (24 CFR Part 35 / 40 CFR Part 745) — no federal lead-based paint disclosure required at sale. Lead pipe and lead solder were also phased out for new construction by the 1986 Safe Drinking Water Act amendments.
asbestosBuilt 2005, after the late-1980s EPA phase-out of most asbestos-containing building materials. New asbestos use in residential construction is no longer permitted in the relevant product categories. No known asbestos-containing materials in this property.
Utilities
waterCity water
sewerPublic sewer
gasNicor Gas
electricComEd
internetAT&T fiber / Xfinity available

Monthly payment calculator

Estimate your monthly carrying cost. Pre-filled from this listing ($685,000 · $214/sqft). Adjust any value — nothing is sent anywhere.

$685,000
20% · $137,000
6.80%
Estimated monthly payment
$4,956/mo
  • Principal(first month)$467
  • Interest(first month)$3,105
  • Property Tax$1,183
  • HOA Fees$0
  • Home Insurance$200
  • Private Mortgage Insurance(n/a at 20%+ down)$0
  • Utilities$0

Estimates only — actual rates, taxes, insurance, and PMI vary. Not a loan offer or financial advice. For real numbers, the listing agent can connect you with a lender.

Area insights

Nearby places and amenities around this property.

Explore ZIP 60540 area data →

Hazards & environment

Area-level flood, natural-hazard, air-quality, and radon data for this property’s ZIP.

Flood riskFEMA NFIP
Zone X · Minimal
Natural hazard riskFEMA National Risk Index
Relatively High · Top: cold wave, strong wind, tornado
Air qualityEPA AQI
Moderate · median AQI 53
Radon potentialEPA Map of Radon Zones
Moderate radon potential · EPA Zone 2 of 3
County-level potential, not a measurement of this home — EPA recommends testing every home regardless of zone.

Area-level data from public government sources. Data sources

Common questions

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Explore full area data: Naperville, IL · ZIP 60540
Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

Listing Agent: Demo Agent | Listing Office: Demo Realty Partners

Listing Brokerage: Demo Brokerage | Managing Broker: Jane Smith

License #475.123456 | 100 W Randolph St, Suite 200, Chicago, IL 60601 | (312) 555-0100

Listing provided courtesy of Demo Realty Partners (MRED-D001) via Midwest Real Estate Data (MRED).

MLS #IL-11502841 | Status: Active | Data Last Updated: Aug 31, 2026, 7:09 PM

© 2026 Midwest Real Estate Data (MRED). All rights reserved.

The data relating to real estate for sale on this website comes in part from the Internet Data Exchange (IDX) program of Midwest Real Estate Data (MRED). Information is deemed reliable but is not guaranteed accurate by the MLS or Demo Brokerage. Buyers are advised to verify all information. This information is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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