Cost to Own
United StatesTexasGalveston CountyKemah Population 1,952 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Kemah, Texas

A $269,000 home here costs

$2,310

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

A standard mortgage calculator would have told you $1,383. The real number is $927 higher every month — 67% more than the payment most buyers budget for.

Kemah median: $268,900
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, $215,200 borrowed $1,383
Property tax1.377% effective rate for Kemah itself $309
Homeowners insuranceTexas averages $2,124/yr (NAIC), or 0.794% of home value $178
Electricity16.44¢/kWh — Texas residential average, EIA $148
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $224
Total monthly $2,310

Kemah against Galveston County and Texas

MeasureKemahGalveston County
Median home value$268,900$284,900
Median property tax$3,702$4,238
Effective tax rate1.377%1.488%
Median gross rent$1,579$1,360
Population1,952354,721

The weather behind that power bill

Kemah sits in Galveston County, which averages a high of 92.0°F in its hottest month and a low of 48.9°F in its coldest, with 47.22" of precipitation a year and 35% of it in a single three-month stretch. That climate drives 3,571 cooling and 889 heating degree days, which is what sets the $148 electricity line above.

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

Other cities in Galveston County

Full Galveston County cost breakdown · Every county in Texas

Common questions

How much does it cost to own a home in Kemah?

A $269,000 home in Kemah, Texas costs approximately $2,310 per month with 20% down at 6.66%. That is $1,383 principal and interest, $309 property tax, $178 homeowners insurance, $216 utilities and $224 set aside for maintenance.

What is the property tax rate in Kemah?

Kemah has an effective property tax rate of 1.377%, based on a median home value of $268,900 and median real estate taxes of $3,702. That is lower than the Galveston County average of 1.488%.

What is the average home price in Kemah?

The median owner-occupied home value in Kemah, Texas is $268,900, against $284,900 across Galveston County.

Is it cheaper to rent or buy in Kemah?

Median gross rent in Kemah is $1,579 a month, against $2,310 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 Kemah — 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