Total monthly cost of ownership
Cost to Own a Home in Mazon, Illinois
A $203,000 home here costs
$1,969per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,044. The real number is $925 higher every month — 89% 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.
Mazon against Grundy County and Illinois
| Measure | Mazon | Grundy County |
|---|---|---|
| Median home value | $203,100 | $259,200 |
| Median property tax | $4,732 | $5,260 |
| Effective tax rate | 2.330% | 2.029% |
| Median gross rent | $940 | $1,137 |
| Population | 1,424 | 52,920 |
The weather behind that power bill
Mazon sits in Grundy County, which averages a high of 84.9°F in its hottest month and a low of 15.7°F in its coldest, with 38.79" of precipitation a year and 36% of it in a single three-month stretch. That climate drives 995 cooling and 6,141 heating degree days, which is what sets the $214 electricity line above.
See the full climate breakdown for Grundy County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Grundy County
Full Grundy County cost breakdown · Every county in Illinois
Common questions
How much does it cost to own a home in Mazon?
A $203,000 home in Mazon, Illinois costs approximately $1,969 per month with 20% down at 6.66%. That is $1,044 principal and interest, $394 property tax, $80 homeowners insurance, $282 utilities and $169 set aside for maintenance.
What is the property tax rate in Mazon?
Mazon has an effective property tax rate of 2.330%, based on a median home value of $203,100 and median real estate taxes of $4,732. That is higher than the Grundy County average of 2.029%.
What is the average home price in Mazon?
The median owner-occupied home value in Mazon, Illinois is $203,100, against $259,200 across Grundy County.
Is it cheaper to rent or buy in Mazon?
Median gross rent in Mazon is $940 a month, against $1,969 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 Mazon — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Illinois.
- 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.