Cost to Own
United States › Florida › St. Johns County › St. Augustine Population 14,979 Data vintage ACS 2023 5-Year Rates updated 2026-10-29
The part nobody budgets Even with the mortgage fully paid off, the median home here still costs $1,040 a month in taxes, insurance, utilities and upkeep. See the full St. Johns County picture

Total monthly cost of ownership

Cost to Own a Home in St. Augustine, Florida

A $409,000 home here costs

$3,269

per month, all in, with 20% down at today's 7.24% 30-year fixed rate. By the 28% rule that takes a household income of about $140,000 a year.

P&I 68%Tax 7%Insurance 8%Utilities 7%Upkeep 10%

A standard mortgage calculator would have told you $2,230. The real number is $1,040 higher every month, 47% more than the payment most buyers budget for.

Compare St. Johns County with anywhere in America · full county breakdown

St. Augustine median: $409,200
Under 20% adds PMI
Freddie Mac PMMS
FL average household

Where every dollar goes

Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.

Principal & interest30-year fixed, $327,200 borrowed $2,230
Property tax0.640% effective rate for St. Augustine itself $218
Homeowners insuranceFlorida averages $2,437/yr (NAIC), or 0.725% of home value $247
Electricity14.99ยข/kWh, Florida residential average, EIA $165
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $341
Total monthly $3,269

St. Augustine against St. Johns County and Florida

MeasureSt. AugustineSt. Johns County
Median home value$409,200$457,600
Median property tax$2,617$3,547
Effective tax rate0.640%0.775%
Median gross rent$1,560$1,775
Population14,979292,243

The weather behind that power bill

St. Augustine sits in St. Johns County, which averages a high of 91.0°F in its hottest month and a low of 47.8°F in its coldest, with 50.64" of precipitation a year and 38% of it in a single three-month stretch. That climate drives 3,079 cooling and 803 heating degree days, which is what sets the $165 electricity line above.

See the full climate breakdown for St. Johns County , month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in St. Johns County

Full St. Johns County cost breakdown · Every county in Florida

Talk to someone who works this market

These are St. Augustine averages. What one specific house costs to own, or what it would sell for today, depends on the street and the condition of the place. We will connect you with one licensed local agent who works St. Augustine every week. Free, no obligation, and we never sell your details to a list.

I'm looking to buy in St. Augustine I already own here and may sell

Common questions

How much does it cost to own a home in St. Augustine?

A $409,000 home in St. Augustine, Florida costs approximately $3,269 per month with 20% down at 7.24%. That is $2,230 principal and interest, $218 property tax, $247 homeowners insurance, $233 utilities and $341 set aside for maintenance.

What is the property tax rate in St. Augustine?

St. Augustine has an effective property tax rate of 0.640%, based on a median home value of $409,200 and median real estate taxes of $2,617. That is lower than the St. Johns County average of 0.775%.

What is the average home price in St. Augustine?

The median owner-occupied home value in St. Augustine, Florida is $409,200, against $457,600 across St. Johns County.

Is it cheaper to rent or buy in St. Augustine?

Median gross rent in St. Augustine is $1,560 a month, against $3,269 to own the median home all in. Renting costs less month to month here, though renting builds no equity.

What salary do you need to buy a home in St. Augustine?

Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in St. Augustine, Florida at today's rate takes a household income of roughly $140,000 a year. That covers the full $3,269 monthly cost, not just the mortgage payment.

Sources & methodology

  • Median home value, real estate taxes, gross rent and population for St. Augustine, US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance, NAIC average premium for Florida.
  • Electricity price, EIA Electric Power Monthly Table 5.6.A.
  • Mortgage rate, Freddie Mac PMMS, refreshed weekly.
  • Maintenance (1%/yr) and water and sewer ($68/mo) are national estimates. Every assumption above is editable.

Full methodology