Cost to Own
United StatesTexasHidalgo CountySouth Alamo Population 3,114 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in South Alamo, Texas

A $70,000 home here costs

$737

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

A standard mortgage calculator would have told you $360. The real number is $378 higher every month — 105% more than the payment most buyers budget for.

South Alamo median: $69,700
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, $56,000 borrowed $360
Property tax0.980% effective rate for South Alamo itself $57
Homeowners insuranceTexas averages $2,124/yr (NAIC), or 0.794% of home value $46
Electricity16.44¢/kWh — Texas residential average, EIA $148
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $58
Total monthly $737

South Alamo against Hidalgo County and Texas

MeasureSouth AlamoHidalgo County
Median home value$69,700$124,000
Median property tax$683$2,187
Effective tax rate0.980%1.764%
Median gross rent$683$925
Population3,114880,921

The weather behind that power bill

South Alamo sits in Hidalgo County, which averages a high of 98.2°F in its hottest month and a low of 48.7°F in its coldest, with 23.63" of precipitation a year and 38% of it in a single three-month stretch. That climate drives 4,269 cooling and 644 heating degree days, which is what sets the $148 electricity line above.

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

Other cities in Hidalgo County

Full Hidalgo County cost breakdown · Every county in Texas

Common questions

How much does it cost to own a home in South Alamo?

A $70,000 home in South Alamo, Texas costs approximately $737 per month with 20% down at 6.66%. That is $360 principal and interest, $57 property tax, $46 homeowners insurance, $216 utilities and $58 set aside for maintenance.

What is the property tax rate in South Alamo?

South Alamo has an effective property tax rate of 0.980%, based on a median home value of $69,700 and median real estate taxes of $683. That is lower than the Hidalgo County average of 1.764%.

What is the average home price in South Alamo?

The median owner-occupied home value in South Alamo, Texas is $69,700, against $124,000 across Hidalgo County.

Is it cheaper to rent or buy in South Alamo?

Median gross rent in South Alamo is $683 a month, against $737 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 South Alamo — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for Texas.
  • 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