Cost to Own
United StatesCaliforniaSonoma CountyWindsor Population 26,179 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Windsor, California

A $763,000 home here costs

$5,590

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $3,923. The real number is $1,667 higher every month — 43% more than the payment most buyers budget for.

Windsor median: $763,200
Under 20% adds PMI
Freddie Mac PMMS
US average household

Where every dollar goes

Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.

Principal & interest30-year fixed, $610,400 borrowed $3,923
Property tax0.859% effective rate for Windsor itself $546
Homeowners insuranceCalifornia averages $1,403/yr (NAIC), or 0.186% of home value $118
Electricity33.25¢/kWh — California residential average, EIA $299
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $636
Total monthly $5,590

Windsor against Sonoma County and California

MeasureWindsorSonoma County
Median home value$763,200$779,000
Median property tax$6,556$5,580
Effective tax rate0.859%0.716%
Median gross rent$2,087$2,093
Population26,179485,642

The weather behind that power bill

Windsor sits in Sonoma County, which averages a high of 84.1°F in its hottest month and a low of 36.9°F in its coldest, with 33.78" of precipitation a year and 60% of it in a single three-month stretch. That climate drives 410 cooling and 2,904 heating degree days, which is what sets the $299 electricity line above.

See the full climate breakdown for Sonoma County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in Sonoma County

Full Sonoma County cost breakdown · Every county in California

Common questions

How much does it cost to own a home in Windsor?

A $763,000 home in Windsor, California costs approximately $5,590 per month with 20% down at 6.66%. That is $3,923 principal and interest, $546 property tax, $118 homeowners insurance, $367 utilities and $636 set aside for maintenance.

What is the property tax rate in Windsor?

Windsor has an effective property tax rate of 0.859%, based on a median home value of $763,200 and median real estate taxes of $6,556. That is higher than the Sonoma County average of 0.716%.

What is the average home price in Windsor?

The median owner-occupied home value in Windsor, California is $763,200, against $779,000 across Sonoma County.

Is it cheaper to rent or buy in Windsor?

Median gross rent in Windsor is $2,087 a month, against $5,590 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 Windsor — 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.

Full methodology