IL mortgage rates

Dupage County

Clear, current 2026 mortgage and refinance loan limits for homeowners in Dupage County, Illinois. Use the verified baseline numbers below to calculate your refinance payment, evaluate your home equity, and monitor when rate alerts make refinancing advantageous.

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2026 limits

2026 Mortgage Loan Limits

Dupage County

Conforming Loan Limits

Per property
1 unit$832,750
2 units$1,066,250
3 units$1,288,800
4 units$1,601,750

FHA Loan Limits

Per property
1 unit$541,287
2 units$693,050
3 units$837,700
4 units$1,041,125

Source: Official Federal Housing Finance Agency (FHFA) and HUD loan limit schedules. Conforming data represents conventional maximums. Last synchronized: 2026 update cycle.

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Refinance Payment Estimate

Estimate Your Refinance in Dupage County

Use your current mortgage details to estimate a new refinance payment and potential monthly savings.

Estimated New Monthly Payment$2,528Principal & interest only
Home value − mortgage balance
Mortgage balance ÷ home value
Added to the proposed new loan
Proposed New Loan Amount$400,000
Estimated New Payment$2,528
Estimated Monthly SavingsAdd current rate
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Estimates include principal and interest only. Taxes, insurance, closing costs, and mortgage insurance are not included.

About Dupage

A local view of the market.

DuPage County, IL, has a strong real estate market, with median home values around $425,000 in 2024. Located near Chicago, it is a popular suburban area for families and professionals seeking high-quality schools and amenities. Naperville, one of the largest cities, has a population of around 150,000 and offers a vibrant downtown, shopping, and dining options. Other key cities include Wheaton and Downers Grove, each offering suburban amenities and easy commuting options. DuPage County offers a suburban lifestyle with a robust economy based on healthcare, finance, and education. The county’s high quality of life, proximity to Chicago, and top-rated schools make it ideal for families and professionals.

County snapshot

Market context.

IL

Public location data associated with this county record. Optional fields are shown only when present in the source.

Market areaChicago-Naperville-ElginMapped market area
Area code16980CBSA / MSA reference
Featured communitiesElmhurst · Westmont · NapervilleFrom the county record
Data year2026Aligned with this limit record
ElmhurstWestmontNaperville
Top cities & communities

Communities to explore.

ElmhurstWestmontNapervilleLisleCarol StreamWheatonVilla ParkWoodridgeGlen EllynDarienGlendale HeightsBartlettAddisonDowners GroveLombardBloomingdaleWest ChicagoRoselle
Questions & Answers

Refinancing in Dupage County

Common questions about 2026 loan limits and refinancing opportunities in Illinois.

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