Total monthly cost of ownership
Cost to Own a Home in Sea Isle City, New Jersey
A $1,020,000 home here costs
$7,070per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $5,244. The real number is $1,826 higher every month — 35% 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.
Sea Isle City against Cape May County and New Jersey
| Measure | Sea Isle City | Cape May County |
|---|---|---|
| Median home value | $1,019,500 | $395,000 |
| Median property tax | $5,382 | $5,233 |
| Effective tax rate | 0.528% | 1.325% |
| Median gross rent | — | $1,345 |
| Population | 2,079 | 95,236 |
The weather behind that power bill
Sea Isle City sits in Cape May County, which averages a high of 85.5°F in its hottest month and a low of 28.5°F in its coldest, with 43.84" of precipitation a year and 27% of it in a single three-month stretch. That climate drives 1,176 cooling and 4,332 heating degree days, which is what sets the $209 electricity line above.
See the full climate breakdown for Cape May County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Cape May County
Full Cape May County cost breakdown · Every county in New Jersey
Common questions
How much does it cost to own a home in Sea Isle City?
A $1,020,000 home in Sea Isle City, New Jersey costs approximately $7,070 per month with 20% down at 6.66%. That is $5,244 principal and interest, $449 property tax, $250 homeowners insurance, $277 utilities and $850 set aside for maintenance.
What is the property tax rate in Sea Isle City?
Sea Isle City has an effective property tax rate of 0.528%, based on a median home value of $1,019,500 and median real estate taxes of $5,382. That is lower than the Cape May County average of 1.325%.
What is the average home price in Sea Isle City?
The median owner-occupied home value in Sea Isle City, New Jersey is $1,019,500, against $395,000 across Cape May County.
Is it cheaper to rent or buy in Sea Isle City?
Rent data is not published for Sea Isle City at this level of detail.
Sources & methodology
- Median home value, real estate taxes, gross rent and population for Sea Isle City — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for New Jersey.
- 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.