What is the 2026 conforming loan limit in Cook County, IL?

$806,500 for a one-unit property. Loan amounts above that move to jumbo or portfolio investor pricing. On a DSCR purchase at the county average basis of $350,800, an 80% LTV loan is roughly $280,640, so most files here stay inside the limit.

Which Cook County market has the best rental cash flow?

On current modeling, Harvey shows the strongest coverage in the county at about 1.06x, with an estimated $900/month lease against a $110,000 basis. Harvey offers the lowest entry price at $110,000. Both are worth modeling on a specific address before you choose a submarket.

Can I use one DSCR lender across multiple Cook County properties?

Yes, and it is usually the faster path. DSCR loans have no cap on financed properties, so once a lender has your entity documents, guaranty and reserve verification on file, subsequent acquisitions in Cook County close on the same underwriting profile — typically 21–30 days per file, with the appraisal on the critical path.

Do property taxes in Cook County affect my DSCR ratio?

Directly. County-assessed taxes sit inside PITIA, which is the denominator of the ratio. At the $350,800 county average, taxes and insurance are already built into the $2,711 monthly PITIA figure above. A reassessment after purchase can move a 1.05x file below 1.0, which is why we underwrite to the reassessed value rather than the seller's current tax bill.

Investor Hub · Cook County, IL

DSCR & Investment Property Loans in Cook County, IL

25 financed rental markets, an average 0.76x coverage ratio, and a $806,500 2026 conforming limit.

Markets Financed

Avg. Investment Basis

$350,800

Avg. Monthly Rent

$1,964/mo

Avg. Monthly PITIA

$2,711/mo

Avg. DSCR Ratio

0.76x

2026 Conforming Limit

$806,500

Investing in Cook County

Cook County covers 25 rental markets we actively finance in Illinois — Arlington Heights, Berwyn, Blue Island, Calumet City, Chicago, Chicago Heights and 19 more. Across those markets the median investment basis averages $350,800, a long-term lease averages $1,964/month, and the average all-in PITIA on a DSCR loan at the minimum down payment is $2,711. That produces a county-wide average DSCR ratio near 0.76x.

Basis varies more inside Cook County than the average suggests. Harvey is the lowest entry point at roughly $110,000, while Harvey currently models the strongest coverage ratio in the county at 1.06x. When two towns in the same county ratio differently, it is almost always the rent-to-price relationship rather than the rate — the same loan pricing applies county-wide, so the deal is won on which submarket you buy in.

County-level inputs that move your ratio

Everything in Cook County shares one set of county-level inputs, and they matter to your ratio: the 2026 conforming loan limit here is $806,500, county property tax is assessed and collected at the county level, and recording and transfer charges at closing are set by the county clerk. Those three items are the reason a DSCR file that pencils in one county can fail two counties over at an identical price and rent.

3 of the 25 markets here support meaningful short-term rental revenue, so an STR-qualified DSCR file is a live option in Cook County — expect 25% down, six months of reserves, and address-level permit verification before you go hard. Average estimated cap rate across the county is 4.38%.

Cook County markets side by side

Market	Median Price	Est. Rent	Est. DSCR	Cap Rate
Arlington Heights	$450,000	$2,275/mo	0.65x	3.76%
Berwyn	$300,000	$1,975/mo	0.85x	4.90%
Blue Island	$175,000	$1,300/mo	0.96x	5.53%
Calumet City	$165,000	$1,250/mo	0.98x	5.64%
Chicago	$335,000	$2,025/mo	0.78x	4.50%
Chicago Heights	$165,000	$1,250/mo	0.98x	5.64%
Cicero	$260,000	$1,775/mo	0.88x	5.08%
Des Plaines	$350,000	$1,850/mo	0.68x	3.93%
Elmwood Park	$340,000	$1,825/mo	0.69x	3.99%
Evanston	$450,000	$2,875/mo	0.83x	4.75%
Glenview	$620,000	$2,900/mo	0.61x	3.48%
Harvey	$110,000	$900/mo	1.06x	6.09%
Melrose Park	$290,000	$1,925/mo	0.86x	4.94%
Morton Grove	$400,000	$2,075/mo	0.67x	3.86%
Mount Prospect	$400,000	$2,075/mo	0.67x	3.86%
Niles	$380,000	$1,975/mo	0.67x	3.87%
Northbrook	$680,000	$3,125/mo	0.59x	3.42%
Oak Forest	$280,000	$1,575/mo	0.73x	4.18%
Oak Lawn	$290,000	$1,600/mo	0.71x	4.10%
Oak Park	$465,000	$2,775/mo	0.77x	4.44%
Orland Park	$360,000	$1,900/mo	0.68x	3.93%
Palatine	$400,000	$2,075/mo	0.67x	3.86%
Schaumburg	$385,000	$2,000/mo	0.67x	3.86%
Skokie	$400,000	$2,075/mo	0.67x	3.86%
Tinley Park	$320,000	$1,725/mo	0.70x	4.01%

Each row models a purchase at that market's median price with 20% down at an illustrative 7.50% DSCR rate on a 30-year fixed. Open a market for the full underwriting breakdown.

County averages are calculated across the 25 Cook County markets we model, each at its own median price and market rent. Figures are illustrative estimates, not a loan offer or an appraisal. Conforming limits reflect the 2026 FHFA schedule for this county.

Cook County investor FAQ

Markets and resources in Cook County

Arlington Heights investor guide

$450,000 median · 0.65x DSCR

Berwyn investor guide

$300,000 median · 0.85x DSCR

Blue Island investor guide

$175,000 median · 0.96x DSCR

Calumet City investor guide

$165,000 median · 0.98x DSCR

Chicago investor guide

$335,000 median · 0.78x DSCR

Chicago Heights investor guide

$165,000 median · 0.98x DSCR

Cicero investor guide

$260,000 median · 0.88x DSCR

Des Plaines investor guide

$350,000 median · 0.68x DSCR

Elmwood Park investor guide

$340,000 median · 0.69x DSCR

Evanston investor guide

$450,000 median · 0.83x DSCR

Glenview investor guide

$620,000 median · 0.61x DSCR

Harvey investor guide

$110,000 median · 1.06x DSCR

Melrose Park investor guide

$290,000 median · 0.86x DSCR

Morton Grove investor guide

$400,000 median · 0.67x DSCR

Mount Prospect investor guide

$400,000 median · 0.67x DSCR

Niles investor guide

$380,000 median · 0.67x DSCR

Northbrook investor guide

$680,000 median · 0.59x DSCR

Oak Forest investor guide

$280,000 median · 0.73x DSCR

Oak Lawn investor guide

$290,000 median · 0.71x DSCR

Oak Park investor guide

$465,000 median · 0.77x DSCR

Orland Park investor guide

$360,000 median · 0.68x DSCR

Palatine investor guide

$400,000 median · 0.67x DSCR

Schaumburg investor guide

$385,000 median · 0.67x DSCR

Skokie investor guide

$400,000 median · 0.67x DSCR

Tinley Park investor guide

$320,000 median · 0.70x DSCR

DSCR loans in Illinois

Illinois DSCR requirements

Illinois DSCR cash-out refinance

Model a Cook County deal

Send the address and we'll return the real DSCR ratio, PITIA and cash flow — including the county tax and insurance figures that decide whether the file clears 1.0x. Licensed in Illinois.

Get My Investment Analysis Talk to a Loan Officer

DSCR & Investment Property Loans in Cook County, IL

Investing in Cook County

County-level inputs that move your ratio

Cook County markets side by side

Cook County investor FAQ

Markets and resources in Cook County

Model a Cook County deal

Related pages

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