Property & Loan Details
King County median: $2,250,000
Down: $562,500 | Loan: $1,687,500
Rental Income & Expenses
King County median rent: $3,800/mo
Lenders apply a 75% haircut to STR income
$1,594/mo(0.85% of purchase price)
Your DSCR Ratio
Below Minimum0.27
Below most lender minimums — let’s explore options to improve your ratio
Monthly Rent
$3,800
Monthly PITIA
$14,249
This loan amount ($1,687,500) exceeds the King County conforming limit of $1,149,825 — jumbo DSCR pricing applies.
Interest-only option: Switching to interest-only would improve your DSCR to 0.29
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Rates as of 2026-03-01. Calculations are estimates for educational purposes only. Actual DSCR requirements, rates, and terms vary by lender, property type, and loan program. Most DSCR lenders require a minimum ratio of 1.0–1.25. Contact Mo Abdel at (949) 822-9662 for a personalized investment property analysis. NMLS #1426884 | Lumin Lending NMLS #2716106.
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Frequently Asked Questions
What DSCR do I need for an investment property in Mercer Island, Washington?
Most DSCR lenders require a minimum ratio of 1.0 to 1.25. In Mercer Island, the median rent is $3,800/mo and the median home value is $2,250,000. Use the calculator above to determine if your target property meets lender DSCR requirements with both amortizing and interest-only payment structures.
Can I use interest-only to improve DSCR qualification in Mercer Island?
Yes. An interest-only payment removes the principal portion, lowering your monthly PITIA and boosting your DSCR. In Mercer Island, switching from amortizing to IO typically increases your DSCR by 0.15 to 0.30. The calculator above shows both options side by side so you can compare qualification outcomes.
What property tax rate applies to DSCR calculations in Mercer Island?
The average effective property tax rate in Mercer Island is 0.85%. On an investment property valued at $2,250,000, that is approximately $19,125 per year. Property taxes are a key component of the PITIA payment used in DSCR calculations.
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