Keys & Cents
Silicon Valley · Census ACS 2024

What a home really costs in Santa Clara County, CA

A median-priced home in the San Jose area runs about $12,918 a month all-in, not the $9,617 mortgage payment you’ll see quoted. Here’s the full breakdown, using real public data.

Median home value$1,555,600
Median property tax paid$10,000+/yr
Effective tax rate (approx.)0.64%+
Median gross rent$2,841/mo

The local math, in plain English

Santa Clara County’s median home value of $1,555,600 is about 4.3× the U.S. median of $360,600, and its property tax burden (~0.64%+ of value) is hard to pin down from Census data (see the data note), but compare it with the national typical (~0.89%). It is one of the five priciest counties in our 25-county guide (#1 by median value).

In our example, costs beyond principal and interest make up 26% of the monthly bill: property tax alone is about $830 a month, and PMI adds $700 until you reach about 22% equity.

Existing owners with a mortgage here reported median monthly owner costs of $4,001 (ACS table B25088, which counts mortgage, taxes, insurance, utilities and fees). Many of them bought years ago at lower prices or rates, so a buyer today at the median value should plan on a bigger number: about $12,918 in our example.

For comparison, the median gross rent (rent plus utilities) in Santa Clara County was $2,841 a month. For a 3-bedroom, closer in size to the typical owned home, it was $3,500+ (the Census caps this figure, so the true median is higher). In our rent vs buy calculator, using its default assumptions (4.3% appreciation, 3.3% rent growth, 6% investment return, 7.32% rate), buying doesn’t catch up within 30 years; after 30 years renting is ahead by about $3,521,000. That’s a model output, not a forecast: a lower rate or a lower investment return can change it, so try your own numbers.

California’s Proposition 13 limits the base property tax rate to 1% of assessed value (plus voter-approved local levies) and caps annual assessed-value increases at 2%. Homes are reassessed when they sell, so a new buyer’s tax bill is based on the purchase price and is often much higher than a long-time neighbor’s. That’s one reason the Census median tax here understates what a new buyer pays.

Data note: the Census Bureau caps reported property taxes at “$10,000 or more,” and this county’s median hits that cap. Our 0.64%+ effective rate is a lower bound, so the example below likely understates property tax. Use your own estimate in the calculator.

Example: median home, 10% down

Principal & interest$9,617
Property tax$830
Home insurance*$200
PMI*$700
Maintenance reserve*$1,296
Utilities*$275
All-in monthly$12,918

$1,555,600 price · $155,560 down · 7.32% 30-yr fixed · tax 0.64%. *Keys & Cents assumptions, not local data.

Estimates only. Not financial advice. Terms

Sterling says: Income needed to keep this at 28% of gross pay: about $486,000/yr. Local median household income: $168,154.

Run your own San Jose-area numbers

The home
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The costs nobody quotes you
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Your true monthly cost

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The lender will quote about – (taxes and insurance usually via ). Mortgage alone: –. Per year: –.

  • Principal & interest–
  • Property tax–
  • Home insurance–
  • HOA dues–
  • PMI (mortgage insurance)–
  • Maintenance reserve–
  • Utilities–
  • All-in monthly–

Down payment – · Loan –

Estimates only. Not financial advice. Terms

Sterling says: Tallying it all up…

Plan the whole purchase with the $19 Planner →

Santa Clara County home cost FAQ

What is the median home value in Santa Clara County, CA?

The median value of owner-occupied homes in Santa Clara County, CA was $1,555,600 according to the U.S. Census Bureau’s American Community Survey 2024 1-year estimates (table B25077).

What is the property tax rate in Santa Clara County, CA?

The median real estate tax paid in Santa Clara County, CA was $10,000+ a year (ACS 2024, table B25103; the Census Bureau tops this table out at $10,000+, so the true median is higher). Divided by the median home value, that works out to an effective rate of roughly 0.64%+, compared with about 0.89% nationally. Your actual bill depends on your assessment and exemptions.

What does a median-priced home in Santa Clara County, CA cost per month?

With 10% down at a 7.32% 30-year rate (Freddie Mac average, October 22, 2026), a $1,555,600 home costs about $9,617 a month in principal and interest, but about $12,918 a month all-in once property tax, insurance, PMI, maintenance and utilities are included.

How much income do I need to buy a home in Santa Clara County, CA?

To keep the lender-style housing payment ($11,347/mo in our example) at 28% of gross income with no other debts, you’d need roughly $486,000 a year. The median household income in Santa Clara County, CA was $168,154 (ACS 2024, table B19013).

Sources & method

  • Median home value, real estate taxes, gross rent, household income and owner costs: U.S. Census Bureau, American Community Survey 2024 1-year estimates (tables B25077, B25103, B25064, B19013, B25088), retrieved via the Census Reporter API.
  • Effective tax rate is our approximation: median taxes paid ÷ median home value. It is not an official rate.
  • Mortgage rate: Freddie Mac Primary Mortgage Market Survey, 30-year fixed average of 7.32% for the week of October 22, 2026.
  • Our assumptions (not local data): 10% down, homeowners insurance $2,400/yr, PMI 0.6% of the loan per year, maintenance 1% of value per year, no HOA. Utilities are $275/mo everywhere, the national Census ACS 2024 PUMS median for owner-occupied 3-bedroom homes (not a local figure). Local insurance and utility costs vary, so get real quotes.
  • Last updated 2026-10-24. Full methodology.