This is a demo listing
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.
408 S Washington Street, Naperville, IL
Naperville IL 60540
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.
Monthly payment calculator
Estimate your monthly carrying cost. Pre-filled from this listing ($685,000 · $214/sqft). Adjust any value — nothing is sent anywhere.
- 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.
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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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
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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.
Area data compiled from public government, academic, and industry research feeds. Data sources →