Lake County, IL Metro · Illinois County Underwriting Brief

Lake County, IL DSCR Property Tax, Windstorm & Transfer Tax Guide

In Lake County, Illinois (Lake County, IL metro), 1–4 unit investment properties carry an average effective property tax rate of 2.28% and landlord hazard insurance averaging $610 per $100K of coverage. At a median 1–4 unit acquisition price of $385,000 and Form 1007 market rent of $3,050/mo, a 75% LTV DSCR loan models at 1.09x DSCR ($2,800/mo total PITIA).

Effective Property Tax
2.28%
Est. $731/mo at median
Landlord Ins / $100K
$610/yr
Est. $196/mo DP-3
Median 1–4 Unit Price
$385,000
75% LTV: $288,750
Modeled 75% LTV DSCR
1.09x
$3,050 rent / $2,800 PITIA

Lake County Escrow & Closing-Cost Underwriting Rules

1. Post-Acquisition Tax Reassessment

Statutory county assessor periodic revaluation; underwriters use post-acquisition projected tax bill (typically 85%–100% of purchase price × county millage rate).

2. Windstorm, Flood & Hazard Tier

North Suburban Chicago Standard

3. Transfer & Mortgage Recording Taxes

Standard county deed recording & nominal transfer fee ($50–$350 flat or ≤0.20% of consideration).

4. CEMA / Doc-Stamp Optimization Strategy

Underwrite post-acquisition tax bill using county millage calculator to prevent Year-2 escrow shortage.

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Lake County, IL DSCR Underwriting, Property Tax & Insurance Guide (2026) | Stephen R. Mannenbach | Stephen Mannenbach