Let’s Own Boston

Calculators

Run the real numbers.

Most online calculators leave out property taxes, condo fees or what rental income does to the math. These include them.

Residential

What can I afford?

Enter your real numbers. We’ll show a comfortable price and a stretch price, with the full monthly cost for each.

Comfortable

Total debts at about 36% of gross income

$414,001

about $3,200/month total

Principal & interest
$2,459
Property tax
$397
Insurance
$150
Mortgage insurance
$195

Stretch

About 43% — the upper end many lenders allow

$503,986

about $3,900/month total

Principal & interest
$3,028
Property tax
$483
Insurance
$150
Mortgage insurance
$239

These are estimates for education only, not a loan approval. They include principal, interest, property tax, insurance, condo fees, and private mortgage insurance when you put down less than 20%. Closing costs and reserves aren’t included. A lender will give you real numbers.

Multifamily & commercial

Triple-decker & investment analyzer.

See what it would cost you to live in one unit of a multifamily, or analyze a property as a pure investment using cap rate, cash-on-cash return and DSCR.

Your cost to live there

$2,650/mo

This is your mortgage and all expenses, minus rent from the other 2 units. Compare it with what you pay in rent today.

Cash needed upfront: $253,000

Gross rent (all units)
$100,800
Operating expenses
– $28,576
Net operating income
$67,184
Yearly mortgage payments
– $70,256
Cash invested
$253,000

For education only. Confirm rents with comparable listings, get real tax and insurance quotes, and have any property inspected. Lenders may underwrite with different assumptions.

Got a number? Let's make a plan.

Share your results and goals, and we'll help you figure out the next step.