Cost to Own
United StatesTexasHarris CountyNassau Bay Population 5,211 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Nassau Bay, Texas

A $339,000 home here costs

$2,864

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

A standard mortgage calculator would have told you $1,743. The real number is $1,121 higher every month — 64% more than the payment most buyers budget for.

Nassau Bay median: $339,400
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, $271,200 borrowed $1,743
Property tax1.410% effective rate for Nassau Bay itself $398
Homeowners insuranceTexas averages $2,124/yr (NAIC), or 0.794% of home value $224
Electricity16.44¢/kWh — Texas residential average, EIA $148
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $283
Total monthly $2,864

Nassau Bay against Harris County and Texas

MeasureNassau BayHarris County
Median home value$339,400$255,000
Median property tax$4,784$4,382
Effective tax rate1.410%1.718%
Median gross rent$1,323$1,349
Population5,2114,758,579

The weather behind that power bill

Nassau Bay sits in Harris County, which averages a high of 94.9°F in its hottest month and a low of 43.7°F in its coldest, with 51.84" of precipitation a year and 29% of it in a single three-month stretch. That climate drives 3,288 cooling and 1,266 heating degree days, which is what sets the $148 electricity line above.

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

Other cities in Harris County

Full Harris County cost breakdown · Every county in Texas

Common questions

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

A $339,000 home in Nassau Bay, Texas costs approximately $2,864 per month with 20% down at 6.66%. That is $1,743 principal and interest, $398 property tax, $224 homeowners insurance, $216 utilities and $283 set aside for maintenance.

What is the property tax rate in Nassau Bay?

Nassau Bay has an effective property tax rate of 1.410%, based on a median home value of $339,400 and median real estate taxes of $4,784. That is lower than the Harris County average of 1.718%.

What is the average home price in Nassau Bay?

The median owner-occupied home value in Nassau Bay, Texas is $339,400, against $255,000 across Harris County.

Is it cheaper to rent or buy in Nassau Bay?

Median gross rent in Nassau Bay is $1,323 a month, against $2,864 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 Nassau Bay — 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