Total monthly cost of ownership
Cost to Own a Home in Black Point-Green Point, California
A $1,603,000 home here costs
$11,026per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $8,241. The real number is $2,785 higher every month — 34% 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.
Black Point-Green Point against Marin County and California
| Measure | Black Point-Green Point | Marin County |
|---|---|---|
| Median home value | $1,603,200 | $1,390,000 |
| Median property tax | $10,001 | $10,001 |
| Effective tax rate | 0.624% | 0.719% |
| Median gross rent | $3,501 | $2,584 |
| Population | 1,560 | 258,765 |
The weather behind that power bill
Black Point-Green Point sits in Marin County, which averages a high of 81.3°F in its hottest month and a low of 42.1°F in its coldest, with 34.45" of precipitation a year and 64% of it in a single three-month stretch. That climate drives 486 cooling and 2,481 heating degree days, which is what sets the $299 electricity line above.
See the full climate breakdown for Marin County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Marin County
Full Marin County cost breakdown · Every county in California
Common questions
How much does it cost to own a home in Black Point-Green Point?
A $1,603,000 home in Black Point-Green Point, California costs approximately $11,026 per month with 20% down at 6.66%. That is $8,241 principal and interest, $834 property tax, $248 homeowners insurance, $367 utilities and $1,336 set aside for maintenance.
What is the property tax rate in Black Point-Green Point?
Black Point-Green Point has an effective property tax rate of 0.624%, based on a median home value of $1,603,200 and median real estate taxes of $10,001. That is lower than the Marin County average of 0.719%.
What is the average home price in Black Point-Green Point?
The median owner-occupied home value in Black Point-Green Point, California is $1,603,200, against $1,390,000 across Marin County.
Is it cheaper to rent or buy in Black Point-Green Point?
Median gross rent in Black Point-Green Point is $3,501 a month, against $11,026 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 Black Point-Green Point — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for California.
- 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.