Local Mortgage Calculator

Mortgage Calculator for St. Petersburg, Florida

Plan with a $354,100 city home-value benchmark, a 0.66% property-tax estimate drawn from city-level data for St. Petersburg, FL, and transparent down-payment and cash-to-close scenarios for St. Petersburg.

City home value: $354,100Property tax: 0.66%Closing-cost range: $7,082-$21,246

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Local payment snapshot

Mortgage payment estimate in St. Petersburg, Florida

This mortgage payment calculator in St. Petersburg, Florida uses a typical home-value benchmark of $354,100, 20% down, a 6.75% 30-year fixed planning rate, a 0.66% effective property-tax estimate based on city-level data for St. Petersburg, FL, and a 0.35% annual homeowners-insurance assumption.

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City home value

$354,100

Down payment

$70,820

Principal & interest

$1,837/mo

Property tax

$195/mo

Estimated payment

$2,135/mo

Includes $103/mo for homeowners insurance. PMI is $0 with the 20% down assumption.

Home value: August 2026 | Zillow Home Value Index (ZHVI)

How St. Petersburg compares with Florida

The St. Petersburg home-value benchmark is $21,400 (5.7%) below the $375,500 Florida benchmark. At 20% down, the local benchmark translates to $70,820 upfront and a $283,280 starting loan balance before closing costs. This comparison helps separate the local price level from the statewide number instead of treating every Florida market as interchangeable.

Property-tax impact in St. Petersburg

Applying the 0.66% effective rate from city-level data for St. Petersburg, FL to the page's home-value benchmark produces about $2,340 per year, or $195 per month. The rate is 0.10 percentage points below the 0.76% median among the nearby cities on this page. The estimate is useful for budgeting, but a parcel's actual bill can change with assessed value, exemptions, and overlapping taxing districts.

Cash needed beyond the down payment

Closing costs are separate from the down payment. Using a planning range of 2% to 6% of the $354,100 benchmark adds approximately $7,082 to $21,246 before moving expenses and cash reserves. Combined with 5% down, that suggests roughly $24,787 to $38,951 in initial cash. At 20% down, the comparable range is $77,902 to $92,066. A lender's loan estimate and the selected property's prepaid taxes, insurance, and HOA charges will determine the actual amount.

Down payment choices at the St. Petersburg benchmark

These examples hold the $354,100 home-value benchmark, 6.75% planning rate, 30-year term, tax estimate, and insurance assumption constant. That isolates what changes when the down payment changes.

Down paymentCash downLoan amountEstimated PMIEstimated payment
5%$17,705$336,395$295/mo$2,775/mo
10%$35,410$318,690$295/mo$2,660/mo
20%$70,820$283,280$0/mo$2,135/mo

Estimated cash to close in St. Petersburg

A down payment is only one part of the money due at closing. The examples below combine each down-payment choice with a 2% to 6% closing-cost planning range at the $354,100 benchmark. They do not include moving expenses or the emergency reserves you may want to keep after closing.

Down paymentCash downClosing-cost rangeEstimated cash to close
5%$17,705$7,082-$21,246$24,787-$38,951
10%$35,410$7,082-$21,246$42,492-$56,656
20%$70,820$7,082-$21,246$77,902-$92,066

Closing costs can include lender charges, title and settlement services, appraisal fees, prepaid taxes and insurance, and initial escrow deposits. Seller or lender credits may reduce the amount paid at closing.

Methodology and limits

The home-value benchmark comes from the Zillow Home Value Index for August 2026 and is labeled as a city-level figure. The 0.66% effective property-tax estimate uses city-level data for St. Petersburg, FL from 2024 owner-occupied housing data and is converted to monthly dollars against the same home-value benchmark. Nearby comparisons use representative coordinates and the same payment formula so the direction of the differences is easier to interpret.

Insurance is modeled at 0.35% of home value annually, conventional PMI at 1% annually below 20% down, and principal and interest at a 6.75% 30-year fixed planning rate. These are transparent comparison assumptions, not live quotes. Actual price, parcel taxes, insurance, HOA dues, closing costs, rate, APR, lender fees, and prepaid amounts can differ. This page does not provide financial, legal, lending, or real-estate advice.

Common questions

What is an estimated mortgage payment in St. Petersburg, Florida?

Using a $354,100 home-value benchmark, 20% down, a 6.75% 30-year fixed planning rate, a 0.66% property-tax estimate, and a 0.35% annual homeowners-insurance assumption, the estimated monthly housing payment is $2,135. Change the calculator inputs for a personalized scenario.

What home-value data does the St. Petersburg calculator use?

It uses the $354,100 Zillow Home Value Index benchmark published for St. Petersburg for August 2026. The Florida statewide benchmark for the same source is $375,500.

How much property tax is included for St. Petersburg?

The page applies a 0.66% effective property-tax estimate from city-level data for St. Petersburg, FL. At the $354,100 benchmark, that contributes about $195 per month or $2,340 per year. A parcel's actual bill can differ because of assessed value, exemptions, and taxing districts.

What does changing the down payment do in this St. Petersburg example?

At the current benchmark, 5% down is $17,705 with an estimated $2,775 monthly payment. At 20% down, cash down is $70,820 and the estimated payment is $2,135, with no conventional PMI included in that example.

How much cash might I need to close in St. Petersburg?

At the $354,100 benchmark, a 5% down payment plus a 2% to 6% closing-cost planning range equals approximately $24,787 to $38,951. With 20% down, the comparable range is $77,902 to $92,066. Actual lender charges, prepaid taxes, insurance, escrow deposits, and credits will change the final amount.