California · San Francisco-Oakland-Fremont, CA metro area

Buying a home in San Ramon, California

In San Ramon, the median value of owner-occupied homes is $1,509,500, Contra Costa County's effective property tax rate is 0.83%, and a purchase mortgage carried a median $8,605 in total loan costs in 2025.

Data as of : Census ACS 2020-2024, Census Vintage 2024, HMDA 2025, HUD FY 2027. Sources

San Ramon home costs, fact by fact

About San Ramon

Median gross rent is $2,968 a month, and 70.9% of homes are owner-occupied. The city lies in the San Francisco-Oakland-Fremont, CA metro area. Contra Costa County has an effective property tax rate (median tax as a share of home value) of 0.83%, and HUD's Fair Market Rent for a two-bedroom is $2,805.

Reading the San Ramon figures

San Ramon sits far above California's own median of $770,700, since owners here estimate their homes at $1,509,500. That puts it among the higher-valued of the covered California cities without reaching the very top. Mountain View is reported at $1,927,000 and Sunnyvale reaches $1,801,800, with Santa Monica next on $1,755,500. San Mateo comes in at $1,618,700; Santa Clara reports $1,582,600, and Santa Barbara $1,570,800. Lower down, Berkeley reports $1,413,900 and Fremont $1,403,800, with San Francisco just beneath on $1,394,500, so San Ramon is above all of those, and above Carlsbad, San Jose and Irvine as well. Los Angeles, at $921,200, is the lower point of comparison. All of these are owner estimates, not sale prices. The city lies in the San Francisco-Oakland-Fremont metro area, which has a population of 4,648,486, and the city itself counts 85,924 residents.

Ownership is the norm here. Owners live in 70.9% of homes, a share well above Mountain View's 38.6%; Sunnyvale stands at 43.8%, while Berkeley holds 44.2%, although Fremont reaches 60.8% and Carlsbad 62.9%. Rent runs high too: renters pay a median of $2,968 monthly, which is above HUD's Fair Market Rent of $2,805 for the Oakland-Fremont area. Remember that the HUD number is a benchmark, not a market median, and that rents in Mountain View ($3,062) and San Mateo ($3,077) run higher still, while Santa Clara renters report $3,016 and Fremont renters $2,933. Berkeley renters report $2,133, well beneath San Ramon, and Los Angeles renters report $1,933. Santa Monica owners report higher values than San Ramon, yet renters there pay a median of $2,402 monthly, and Santa Barbara renters pay $2,413, so San Ramon rents run higher than in both. Owner-occupancy is lower in Santa Monica (27.9%), Santa Barbara (39.9%) and San Francisco (38.2%). Carlsbad renters report $2,808, Irvine renters $2,997 and San Jose renters $2,669.

For carrying costs, Contra Costa County's yearly taxes run to a median of $7,156 on a property valued at $866,800, an effective rate of 0.83%. A home valued near San Ramon's median would sit well above that county base, so the county bill is a floor for a purchase here, not a forecast. The county's 7,395 loans from 2025 show a midpoint closing cost of $8,605 and a typical band running from $6,435 to $14,789. The upper end of that range is a reminder that loan size, not just the rate, drives what a buyer pays at closing on homes in this value band. Because the county rate is a share of value, a buyer can apply the 0.83% rate to a specific price to estimate an annual bill, then use the $7,156 median as a rough check.

Calculate for California

If you buy

California state transfer tax

California has no state transfer tax; counties and cities may charge one.

Price$770,700
State transfer taxnot computed
Who paysSet by the purchase contract

Default price: the California median value of owner-occupied homes, $770,700 (Census ACS 2025). Not computed: No state tax. The tax is set by county and city, so it cannot be computed from the state alone. Who pays: Neither the state statute nor the City of Los Angeles FAQ assigns the tax; the purchase contract and escrow instructions decide. Not included: county and city transfer taxes, recording fees, title insurance and lender charges. California transfer tax guide · all 50 states.

If you sell

Capital gain and the federal tax on it

Same federal rule in every state: Section 121 of the Internal Revenue Code excludes up to $250,000 of gain on a main home ($500,000 for a married couple filing jointly).

Capital gain$350,000
Section 121 exclusion$250,000 (limit $250,000)
Taxable gain$100,000
Type of gainLong-term (owned over 1 year), 15% chosen
Federal tax on the gain$15,000

Section 121 excludes $250,000; the rest is taxable.

Gain = sale price minus your adjusted basis (purchase price, buying costs and improvements); selling expenses reduce it (IRS Publication 523). Long-term rates for sales in 2026, by taxable income including the gain (IRS Rev. Proc. 2025-32, section 4.03): 0% up to $49,450 single or $98,900 married filing jointly, 15% up to $545,500 single or $613,700 jointly, 20% above. Not included: California state income tax on the gain (not computed), the net investment income tax, depreciation recapture on a rental or home office, and the reduced exclusion for an early sale. Agent commissions are negotiated and never set by law. Capital gains on a home sale.

Questions about buying a home in San Ramon

How much is property tax in San Ramon?

Homeowners in Contra Costa County pay a median $7,156 a year in property tax, 0.83% of the county median home value of $866,800 (Census ACS 2020-2024). Your bill depends on your assessed value and local rates.

What are closing costs on a mortgage in San Ramon?

Home-purchase mortgages in Contra Costa County carried median total loan costs of $8,605 in 2025; half of the 7,395 loans fell between $6,435 and $14,789 (HMDA). Total loan costs are the lender and settlement-service charges of the Closing Disclosure; transfer taxes and prepaid items come on top.

Is there a transfer tax when you buy a home in San Ramon?

California has no state transfer tax. Counties may charge $0.55 per $500 of value under the Documentary Transfer Tax Act, and cities such as Los Angeles add their own, with Measure ULA adding 4% or 5.5% on very high-priced sales.

Is it cheaper to rent or buy in San Ramon?

It depends on your mortgage rate, down payment and how long you stay. As a benchmark, the median value of owner-occupied homes in San Ramon ($1,509,500) equals 42.4 years of the median gross rent ($2,968 a month), both from Census ACS 2020-2024.

What natural hazards affect home insurance in San Ramon?

Across California, the main hazards for home insurance are earthquake, wildfire, flood and landslide, and the insurer of last resort is California FAIR Plan. A standard California homeowners policy does not cover earthquake damage; insurers must offer earthquake coverage (Insurance Code 10081), and the FAIR Plan sells limited fire coverage up to $3 million for residential policyholders.

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California rules that apply in San Ramon

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Sources

California · All states · Federal guides