Total monthly cost of ownership
Cost to Own a Home in Allen, Texas
A $430,000 home here costs
$3,713per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $2,211. The real number is $1,502 higher every month — 68% 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.
Allen against Collin County and Texas
| Measure | Allen | Collin County |
|---|---|---|
| Median home value | $429,900 | $447,600 |
| Median property tax | $7,721 | $7,432 |
| Effective tax rate | 1.796% | 1.660% |
| Median gross rent | $1,877 | $1,792 |
| Population | 107,684 | 1,116,601 |
The weather behind that power bill
Allen sits in Collin County, which averages a high of 95.5°F in its hottest month and a low of 33.9°F in its coldest, with 38.3" of precipitation a year and 31% of it in a single three-month stretch. That climate drives 2,531 cooling and 2,497 heating degree days, which is what sets the $148 electricity line above.
See the full climate breakdown for Collin County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Collin County
Common questions
How much does it cost to own a home in Allen?
A $430,000 home in Allen, Texas costs approximately $3,713 per month with 20% down at 6.66%. That is $2,211 principal and interest, $644 property tax, $285 homeowners insurance, $216 utilities and $358 set aside for maintenance.
What is the property tax rate in Allen?
Allen has an effective property tax rate of 1.796%, based on a median home value of $429,900 and median real estate taxes of $7,721. That is higher than the Collin County average of 1.660%.
What is the average home price in Allen?
The median owner-occupied home value in Allen, Texas is $429,900, against $447,600 across Collin County.
Is it cheaper to rent or buy in Allen?
Median gross rent in Allen is $1,877 a month, against $3,713 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 Allen — 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.