Cost to Own
United StatesAlabamaMobile CountyGrand Bay Population 3,765 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Grand Bay, Alabama

A $144,000 home here costs

$1,224

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $740. The real number is $484 higher every month — 65% more than the payment most buyers budget for.

Grand Bay median: $143,800
Under 20% adds PMI
Freddie Mac PMMS
US 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, $115,200 borrowed $740
Property tax0.391% effective rate for Grand Bay itself $47
Homeowners insuranceAlabama averages $1,610/yr (NAIC), or 0.819% of home value $98
Electricity16.77¢/kWh — Alabama residential average, EIA $151
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $120
Total monthly $1,224

Grand Bay against Mobile County and Alabama

MeasureGrand BayMobile County
Median home value$143,800$176,600
Median property tax$562$849
Effective tax rate0.391%0.481%
Median gross rent$963$1,021
Population3,765413,162

The weather behind that power bill

Grand Bay sits in Mobile County, which averages a high of 90.9°F in its hottest month and a low of 40.7°F in its coldest, with 67.08" of precipitation a year and 31% of it in a single three-month stretch. That climate drives 2,598 cooling and 1,616 heating degree days, which is what sets the $151 electricity line above.

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

Other cities in Mobile County

Full Mobile County cost breakdown · Every county in Alabama

Common questions

How much does it cost to own a home in Grand Bay?

A $144,000 home in Grand Bay, Alabama costs approximately $1,224 per month with 20% down at 6.66%. That is $740 principal and interest, $47 property tax, $98 homeowners insurance, $219 utilities and $120 set aside for maintenance.

What is the property tax rate in Grand Bay?

Grand Bay has an effective property tax rate of 0.391%, based on a median home value of $143,800 and median real estate taxes of $562. That is lower than the Mobile County average of 0.481%.

What is the average home price in Grand Bay?

The median owner-occupied home value in Grand Bay, Alabama is $143,800, against $176,600 across Mobile County.

Is it cheaper to rent or buy in Grand Bay?

Median gross rent in Grand Bay is $963 a month, against $1,224 to own the median home all in. Renting costs less month to month here, though renting builds no equity.

Sources & methodology

  • Median home value, real estate taxes, gross rent and population for Grand Bay — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for Alabama.
  • 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