Cost to Own
United StatesCaliforniaSan Mateo CountyEmerald Lake Hills Population 4,396 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Emerald Lake Hills, California

A $2,000,000 home here costs

$13,459

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

A standard mortgage calculator would have told you $10,282. The real number is $3,177 higher every month — 31% more than the payment most buyers budget for.

Emerald Lake Hills median: $2,000,001
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, $1,600,000 borrowed $10,282
Property tax0.500% effective rate for Emerald Lake Hills itself $833
Homeowners insuranceCalifornia averages $1,403/yr (NAIC), or 0.186% of home value $310
Electricity33.25¢/kWh — California residential average, EIA $299
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $1,667
Total monthly $13,459

Emerald Lake Hills against San Mateo County and California

MeasureEmerald Lake HillsSan Mateo County
Median home value$2,000,001$1,494,500
Median property tax$10,001$9,167
Effective tax rate0.500%0.613%
Median gross rent$3,501$2,893
Population4,396745,100

The weather behind that power bill

Emerald Lake Hills sits in San Mateo County, which averages a high of 66.4°F in its hottest month and a low of 42.9°F in its coldest, with 26.04" of precipitation a year and 57% of it in a single three-month stretch. That climate drives 12 cooling and 3,701 heating degree days, which is what sets the $299 electricity line above.

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

Other cities in San Mateo County

Full San Mateo County cost breakdown · Every county in California

Common questions

How much does it cost to own a home in Emerald Lake Hills?

A $2,000,000 home in Emerald Lake Hills, California costs approximately $13,459 per month with 20% down at 6.66%. That is $10,282 principal and interest, $833 property tax, $310 homeowners insurance, $367 utilities and $1,667 set aside for maintenance.

What is the property tax rate in Emerald Lake Hills?

Emerald Lake Hills has an effective property tax rate of 0.500%, based on a median home value of $2,000,001 and median real estate taxes of $10,001. That is lower than the San Mateo County average of 0.613%.

What is the average home price in Emerald Lake Hills?

The median owner-occupied home value in Emerald Lake Hills, California is $2,000,001, against $1,494,500 across San Mateo County.

Is it cheaper to rent or buy in Emerald Lake Hills?

Median gross rent in Emerald Lake Hills is $3,501 a month, against $13,459 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 Emerald Lake Hills — 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