Costa Mesa, CA vs San Ramon, CA: Cost of Living

Which city costs less?

San Ramon, CA has a modeled overall cost index 5.7% higher than Costa Mesa, CA.

Costa Mesa, CA · modeled 2BR rent: $3,400 / month
San Ramon, CA · modeled 2BR rent: $3,700 / month

These are saved estimates, not current rental listings. Some cities use adjusted regional data. Your household budget can differ from the overall index. Sources and assumptions

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Cost of Living Comparison 2026

Compare Costa Mesa, CA and San Ramon, CA using saved regional data and explicit budgeting assumptions. Rent estimates are not live listings. Change the salary below, then check the source notes before applying a result to your household.

Saved regional estimates · Sources and assumptions

Current salary in Costa Mesa, CA

Numbers update automatically as you type

Estimated extra cost: $615/month in San Ramon, CA

$150,000 in your current city has a modeled equivalent of $157,380 in San Ramon, CA

Regional cost estimates: Costa Mesa, CA uses Santa Ana, CA. San Ramon, CA uses Oakland, CA. Available city ZIP rent estimates are shown separately.

Overall Cost

↑ 5.7%

More expensive

Monthly Impact

$615

Extra cost

Annual Impact

$7.4K

Per year

Assumes 60% of current gross income goes to living costs. The headline uses the category budget below; taxes, moving costs and savings goals are excluded.

Costa Mesa, CA

Population:108K

Cost Index:

150.5

100 = national average

Typical Home:$1.35M

San Ramon, CA

Population:85K

Cost Index:

159.1

100 = national average

Typical Home:$1.36M

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Costa Mesa, CA

The Golden State

108K

Population

State Tax

Yes

Located in California, this city has a population of 108K residents.

San Ramon, CA

The Golden State

85K

Population

State Tax

Yes

Located in California, this city has a population of 85K residents.

Cost Breakdown by Category

Estimated monthly spending: Costa Mesa, CA vs San Ramon, CA

Assumes 60% of your current gross income is spent on these categories. The headline and totals use this same budget. Rent estimates below are separate reference data. Rounded amounts may differ by $1.

Category	Costa Mesa, CA	San Ramon, CA	Difference	Change
Housing	$3,536/mo	$3,988/mo	↑ $452more	12.8%
Healthcare	$365/mo	$465/mo	↑ $99.46more	27.2%
Other	$1,129/mo	$1,211/mo	↑ $82.40more	7.3%
All Utilities	$369/mo	$295/mo	↓ $74.33less	20.1%
Groceries	$688/mo	$762/mo	↑ $74.31more	10.8%
Transportation	$1,413/mo	$1,394/mo	↓ $18.66less	1.3%

Housing

↑ 12.8%

Costa Mesa, CA

$3,536

San Ramon, CA

$3,988

Difference

$452

Healthcare

↑ 27.2%

Costa Mesa, CA

$365

San Ramon, CA

$465

Difference

$99.46

Other

↑ 7.3%

Costa Mesa, CA

$1,129

San Ramon, CA

$1,211

Difference

$82.40

All Utilities

↓ 20.1%

Costa Mesa, CA

$369

San Ramon, CA

$295

Difference

$74.33

less

Groceries

↑ 10.8%

Costa Mesa, CA

$688

San Ramon, CA

$762

Difference

$74.31

Transportation

↓ 1.3%

Costa Mesa, CA

$1,413

San Ramon, CA

$1,394

Difference

$18.66

less

🏠Rent Comparison

Studio

From$2,815

To$2,720

↓ $95.00

1 Bed

From$2,885

To$3,030

↑ $145

2 Bed

From$3,400

To$3,700

↑ $300

3 Bed

From$4,615

To$4,730

↑ $115

Costa Mesa, CAZIP-level data

1BR range: $2,710–$3,060/mo

San Ramon, CAZIP-level data

1BR range: $3,030–$3,030/mo

💡 Note: HUD Fair Market Rents estimate 40th-percentile gross rents, including most tenant-paid utilities. City ZIP summaries are medians of those estimates, not market median rents. Actual prices vary by neighborhood, amenities, and condition. Source: HUD Small Area Fair Market Rents FY2026.

$7,500

Monthly in Costa Mesa, CA

$8,115

Monthly in San Ramon, CA

$615

Difference

Home Values

Costa Mesa

San Ramon

$1.35M

Median Value

$1.36M

↑ +2.5%

YoY Change

↓ -7.4%

↑ +50.2%

5-Year Change

↑ +31.1%

$1.32M - $1.37M

Price Range

$1.36M

Homes in San Ramon are 1% more expensive than Costa Mesa

Calculate payment - Costa Mesa Calculate payment - San Ramon

Source: Zillow Home Value Index (ZHVI), January 2026

Tax Comparison

Annual tax burden comparison at $150.0K salary

Tax Savings

→ $0

Same taxes

Monthly Difference

Same take-home

Effective Rate Diff

0.0%

Rate difference

Costa Mesa, CA

Federal Income Tax

Effective: 18.9%

$25.5K

California State Tax

Effective: 7.1%

$10.6K

FICA Taxes

Social Security + Medicare

$11.5K

Total Taxes

Effective: 31.8%

$47.6K

Take-Home Pay

$8,530/month

$102.4K

San Ramon, CA

Federal Income Tax

Effective: 18.9%

$25.5K

California State Tax

Effective: 7.1%

$10.6K

FICA Taxes

Social Security + Medicare

$11.5K

Total Taxes

Effective: 31.8%

$47.6K

Take-Home Pay

$8,530/month

$102.4K

Additional Tax Information

Costa Mesa, CA Tax Rates

Sales Tax:10.5%

Property Tax:0.8%

San Ramon, CA Tax Rates

Sales Tax:10.5%

Property Tax:0.8%

💡 Note: Tax calculations are estimates based on 2024/2025 tax brackets for single filers with standard deduction. Actual taxes may vary based on filing status, deductions, credits, and local variations.

Environment

Costa Mesa

San Ramon

54 Moderate

Air Quality

49 Good

32.5%

Good Air Days

53%

100 Very High

Climate Risk

100 Very High

🔥🌊🌅

Top Hazards

🔥🌊🌅

▲+2.6°F

2050 Outlook

▲+1.9°F

12 days

Heat Days >95°F

2 days

▲+2.6°F

2050 Outlook

▲+1.9°F

12 days

Heat Days >95°F

2 days

Before moving from Costa Mesa, CA to San Ramon, CA

Use this comparison to shortlist a move, then check the costs that depend on your household.

Compare actual homes. Get current quotes in San Ramon, CA for the same bedroom count and included utilities as your home in Costa Mesa, CA. Add parking, deposits, insurance and any overlapping leases. The rent estimates above are a starting point, not available listings.
Confirm your income. Check your expected pay with your employer, including any location adjustment. Use “Different salary at destination?” above to compare two incomes. The budget model excludes taxes and one-time moving costs; it is not a take-home-pay calculation.
Price your daily routine. Check the commute from a specific address to work, school or childcare. Add household expenses missing from this model, such as childcare, debt payments and medical needs. Verify local services before signing a lease.
Plan the transition. Get moving quotes and budget for travel, setup costs and time off. Open your Costa Mesa to San Ramon moving checklist to organize the tasks and timing.

Still choosing a destination? Explore cities similar to San Ramon, CA by cost, housing, population and region.

Frequently Asked Questions: Costa Mesa, CA vs San Ramon, CA

How do the cost estimates for Costa Mesa, CA and San Ramon, CA compare?

San Ramon, CA has a modeled overall cost index 5.7% higher than Costa Mesa, CA. This is a broad model comparison, not a survey of today's prices or a forecast of your household spending. Some cities use adjusted regional fallback data.

What does the equivalent salary mean?

At a $150,000 salary in Costa Mesa, CA, the model estimates $157,380 in San Ramon, CA. It allocates 60% of gross income to the origin city’s category budget and applies each destination category’s relative cost. The equivalent salary adds the total category difference to your income. The monthly difference is the same category difference divided by 12; it is not take-home pay or guaranteed savings. Household size, childcare and your actual lease are not inputs to this calculation.

What rent estimates are available for Costa Mesa, CA and San Ramon, CA?

The modeled two-bedroom rents are $3,400/month in Costa Mesa, CA and $3,700/month in San Ramon, CA. Where available, the source is a city median of HUD FY2026 ZIP-level estimates; otherwise a saved metro table is used. City adjustments may also apply. These are not asking rents or available listings. Compare actual properties with the same bedroom count and included utilities.

How should I use this comparison before moving?

Use it to shortlist locations, then replace modeled costs with a current housing quote, employer-confirmed income, commute costs, insurance and your household's other expenses. Add one-time moving costs separately. Source years differ and the saved datasets are not a live price feed. Read the methodology for the formulas and fallback rules.