Buy vs Rent Calculator for the East Bay

East Bay price-to-rent ratios typically run 25–35x annual rent — among the highest in the country — which means renting is often cheaper month to month, while buying builds equity and locks in your housing cost. The right answer depends almost entirely on how long you'll stay.

This calculator compares the full cost of each path over your time horizon: rent growth on one side; mortgage interest, taxes, maintenance, selling costs, and price appreciation on the other.

Current / Comparable Monthly Rent

Home Purchase Price

Down Payment (%)

Interest Rate (%)

Years You Plan to Stay

Annual Home Appreciation (%)

Annual Rent Increase (%)

Total cost of renting—

Net cost of owning (after equity & sale)—

Verdict—

Estimates only — not financial, tax, or lending advice. See methodology below.

HOW IT WORKS

Methodology & Assumptions

Owning costs include down payment, principal & interest (30-yr), ~1.1% property tax + ~0.35% insurance, and 1%/yr maintenance; the projected sale nets out remaining loan balance and 6% selling costs at your appreciation assumption. Renting compounds your rent at the growth rate you set. Simplifications: tax deductions, investment opportunity cost on the down payment, and PMI are excluded. Treat it as a framing tool, not a forecast.

More tools: How much house can I afford? · What will I pay at closing? · What will my property taxes be? · How long until I can buy?

FREQUENTLY ASKED

Common Questions

How long do I need to stay for buying to win in the Bay Area?+

With typical East Bay price-to-rent ratios, buying usually needs a 5+ year horizon to overcome transaction costs — longer when appreciation is slow, shorter when rents are rising quickly. Run your own scenario above.

Why does the calculator ask about appreciation?+

Because it dominates the outcome. East Bay cities have historically appreciated strongly, but no rate is guaranteed — try conservative (2–3%) and historical (5–8%) scenarios to see the range.

Does renting ever make more sense?+

Absolutely — short time horizons, career uncertainty, or a market you may leave all favor renting. My job is honest math, not pushing a purchase.

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