Total monthly cost of ownership
Cost to Own a Home in Rockwall, Texas
A $382,000 home here costs
$3,250per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,964. The real number is $1,286 higher every month — 66% more than the payment most buyers budget for.
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Rockwall against Rockwall County and Texas
| Measure | Rockwall | Rockwall County |
|---|---|---|
| Median home value | $382,400 | $386,000 |
| Median property tax | $5,998 | $6,341 |
| Effective tax rate | 1.569% | 1.643% |
| Median gross rent | $1,832 | $1,899 |
| Population | 49,605 | 116,931 |
The weather behind that power bill
Rockwall sits in Rockwall County, which averages a high of 96.3°F in its hottest month and a low of 35.7°F in its coldest, with 38.42" of precipitation a year and 30% of it in a single three-month stretch. That climate drives 2,738 cooling and 2,211 heating degree days, which is what sets the $148 electricity line above.
See the full climate breakdown for Rockwall County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Rockwall County
Common questions
How much does it cost to own a home in Rockwall?
A $382,000 home in Rockwall, Texas costs approximately $3,250 per month with 20% down at 6.66%. That is $1,964 principal and interest, $499 property tax, $253 homeowners insurance, $216 utilities and $318 set aside for maintenance.
What is the property tax rate in Rockwall?
Rockwall has an effective property tax rate of 1.569%, based on a median home value of $382,400 and median real estate taxes of $5,998. That is lower than the Rockwall County average of 1.643%.
What is the average home price in Rockwall?
The median owner-occupied home value in Rockwall, Texas is $382,400, against $386,000 across Rockwall County.
Is it cheaper to rent or buy in Rockwall?
Median gross rent in Rockwall is $1,832 a month, against $3,250 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 Rockwall — 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.