Cost to Own
United StatesCaliforniaSanta Cruz CountyInterlaken Population 8,191 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Interlaken, California

A $787,000 home here costs

$5,614

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

A standard mortgage calculator would have told you $4,046. The real number is $1,568 higher every month — 39% more than the payment most buyers budget for.

Interlaken median: $787,400
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, $629,600 borrowed $4,046
Property tax0.645% effective rate for Interlaken itself $423
Homeowners insuranceCalifornia averages $1,403/yr (NAIC), or 0.186% of home value $122
Electricity33.25¢/kWh — California residential average, EIA $299
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $656
Total monthly $5,614

Interlaken against Santa Cruz County and California

MeasureInterlakenSanta Cruz County
Median home value$787,400$1,015,200
Median property tax$5,075$6,305
Effective tax rate0.645%0.621%
Median gross rent$2,080$2,172
Population8,191266,021

The weather behind that power bill

Interlaken sits in Santa Cruz County, which averages a high of 76.7°F in its hottest month and a low of 40.9°F in its coldest, with 30.63" of precipitation a year and 60% of it in a single three-month stretch. That climate drives 180 cooling and 2,487 heating degree days, which is what sets the $299 electricity line above.

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

Other cities in Santa Cruz County

Full Santa Cruz County cost breakdown · Every county in California

Common questions

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

A $787,000 home in Interlaken, California costs approximately $5,614 per month with 20% down at 6.66%. That is $4,046 principal and interest, $423 property tax, $122 homeowners insurance, $367 utilities and $656 set aside for maintenance.

What is the property tax rate in Interlaken?

Interlaken has an effective property tax rate of 0.645%, based on a median home value of $787,400 and median real estate taxes of $5,075. That is higher than the Santa Cruz County average of 0.621%.

What is the average home price in Interlaken?

The median owner-occupied home value in Interlaken, California is $787,400, against $1,015,200 across Santa Cruz County.

Is it cheaper to rent or buy in Interlaken?

Median gross rent in Interlaken is $2,080 a month, against $5,614 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 Interlaken — 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