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St. Pete Home Guide
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How much house can you afford in Tampa Bay?

Most online affordability calculators forget about Florida property tax and flood insurance — and then quote a number that's 15-25% too high. This one factors both in and shows you three realistic ranges instead of one made-up number.

Your finances

$

Combined gross (before tax) income for everyone on the loan

$
$
%
$

$2,500-$5,500/yr typical for Florida single-family in 2026

$

$500 (Zone X) – $9,500 (Zone VE). See the Flood Zone Toolkit for accurate ranges

Conservative (28% DTI)
$293,000
Comfortable budget — leaves room for life, savings, surprises
Moderate (36% DTI)
$393,000
Industry-standard target — what most lenders prefer
Maximum (43% DTI)
$480,000
Lender ceiling — tight monthly budget; recommended only if income is stable and rising
These ranges assume Florida property tax around 0.97% and your specified insurance estimates. Actual lender approval also depends on credit score (740+ unlocks best rates), employment history, and reserves. For a real pre-approval, talk to a local mortgage broker. I can refer you to two I trust — just ask.

Why three ranges, not one number?

Lenders measure your debt-to-income ratio (DTI) — total monthly debt obligations divided by gross monthly income. Three DTI thresholds matter:

  • 28% (housing-only) — the "front-end" conservative target. You spend less than 28% of gross income on housing alone. You have plenty of room for savings, surprises, and a life outside your mortgage.
  • 36% (back-end target) — the most common lender preference. Includes housing + all other monthly debts. This is the "normal" ceiling for conventional loans without compensating factors.
  • 43% (back-end maximum) — the ceiling Fannie Mae allows. Above this, you typically can't get a conventional loan at all. Even at 43%, you're house-poor — tight budget, low margin for error.

The right answer is rarely the maximum. For Tampa Bay buyers in 2026 with flood and insurance volatility, I usually recommend sellers stay closer to 28-33% than 43%.

What this calculator includes that most don't

  • Florida property tax ~0.97% (Pinellas County effective rate)
  • Homeowners insurance — Florida runs $2,500-$5,500/yr in 2026
  • Flood insurance — adjustable; varies $500 (Zone X) to $9,500 (Zone VE)
  • PMI — auto-included when down payment is below 20%

Next steps once you have a target range

  1. Get pre-approved (not just pre-qualified) with a local mortgage broker — that locks in your real number with a specific lender
  2. Use the mortgage calculator to stress-test specific home prices at different interest rates
  3. Check the ZIP code index to see which Tampa Bay areas fit your budget
  4. If you're buying in a flood zone, read the Flood Zone Buyer's Toolkit before you write an offer — flood insurance can swing your affordability by 5-10%
  5. Or just send me a note — I'll connect you to two local mortgage brokers I trust and walk you through the next steps personally.
Luke Salm, licensed Florida real estate agent at RE/MAX CHAMPIONS serving Tampa Bay

Thinking about a move in St. Pete?

I'm Luke. I live in Shore Acres, I sell across Tampa Bay, and I'm here to help when you're ready.