Diamond Bar, CA vs Aliso Viejo, CA: Cost of Living

Which city costs less?

Aliso Viejo, CA has a modeled overall cost index 17.5% higher than Diamond Bar, CA.

Diamond Bar, CA · modeled 2BR rent: $3,580 / month
Aliso Viejo, CA · modeled 2BR rent: $3,920 / 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 Diamond Bar, CA and Aliso Viejo, 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 Diamond Bar, CA

Numbers update automatically as you type

Estimated extra cost: $897/month in Aliso Viejo, CA

$150,000 in your current city has a modeled equivalent of $160,767 in Aliso Viejo, CA

Regional cost estimates: Diamond Bar, CA uses Santa Ana, CA. Aliso Viejo, CA uses Irvine, CA. Available city ZIP rent estimates are shown separately.

Overall Cost

↑ 17.5%

More expensive

Monthly Impact

$897

Extra cost

Annual Impact

$10.8K

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.

Diamond Bar, CA

Population:52K

Cost Index:

148.0

100 = national average

Typical Home:$1.06M

Aliso Viejo, CA

Population:50K

Cost Index:

173.9

100 = national average

Typical Home:$968K

Planning the move to Aliso Viejo?

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Diamond Bar, CA

The Golden State

52K

Population

State Tax

Yes

Located in California, this city has a population of 52K residents.

Aliso Viejo, CA

The Golden State

50K

Population

State Tax

Yes

Located in California, this city has a population of 50K residents.

Cost Breakdown by Category

Estimated monthly spending: Diamond Bar, CA vs Aliso Viejo, 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	Diamond Bar, CA	Aliso Viejo, CA	Difference	Change
Housing	$3,531/mo	$4,430/mo	↑ $899more	25.5%
Transportation	$1,410/mo	$1,410/mo	↓ $0.84less	0.1%
Other	$1,127/mo	$1,126/mo	↓ $0.67less	0.1%
Groceries	$693/mo	$693/mo	↓ $0.21less	0.0%
All Utilities	$372/mo	$371/mo	↓ $0.11less	0.0%
Healthcare	$368/mo	$367/mo	↓ $0.11less	0.0%

Housing

↑ 25.5%

Diamond Bar, CA

$3,531

Aliso Viejo, CA

$4,430

Difference

$899

Transportation

↓ 0.1%

Diamond Bar, CA

$1,410

Aliso Viejo, CA

$1,410

Difference

$0.84

less

Other

↓ 0.1%

Diamond Bar, CA

$1,127

Aliso Viejo, CA

$1,126

Difference

$0.67

less

Groceries

↓ 0.0%

Diamond Bar, CA

$693

Aliso Viejo, CA

$693

Difference

$0.21

less

All Utilities

↓ 0.0%

Diamond Bar, CA

$372

Aliso Viejo, CA

$371

Difference

$0.11

less

Healthcare

↓ 0.0%

Diamond Bar, CA

$368

Aliso Viejo, CA

$367

Difference

$0.11

less

🏠Rent Comparison

Studio

From$2,565

To$3,250

↑ $685

1 Bed

From$2,870

To$3,330

↑ $460

2 Bed

From$3,580

To$3,920

↑ $340

3 Bed

From$4,540

To$5,320

↑ $780

Diamond Bar, CAZIP-level data

1BR range: $2,630–$3,110/mo

Aliso Viejo, CAZIP-level data

1BR range: $3,330–$3,330/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 Diamond Bar, CA

$8,397

Monthly in Aliso Viejo, CA

$897

Difference

Home Values

Diamond Bar

Aliso Viejo

$1.06M

Median Value

$968K

↓ -0.6%

YoY Change

↓ -1.3%

↑ +34.9%

5-Year Change

↑ +51.7%

$1.00M - $1.12M

Price Range

$968K

Homes in Aliso Viejo are 9% less expensive than Diamond Bar

Calculate payment - Diamond Bar Calculate payment - Aliso Viejo

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

Diamond Bar, 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

Aliso Viejo, 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

Diamond Bar, CA Tax Rates

Sales Tax:10.5%

Property Tax:0.8%

Aliso Viejo, 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

Diamond Bar

Aliso Viejo

54 Moderate

Air Quality

54 Moderate

32.5%

Good Air Days

32.5%

100 Very High

Climate Risk

100 Very High

🔥🌊🌅

Top Hazards

🔥🌊🌅

▲+2.6°F

2050 Outlook

▲+2.3°F

12 days

Heat Days >95°F

5 days

▲+2.6°F

2050 Outlook

▲+2.3°F

12 days

Heat Days >95°F

5 days

Before moving from Diamond Bar, CA to Aliso Viejo, CA

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

Compare actual homes. Get current quotes in Aliso Viejo, CA for the same bedroom count and included utilities as your home in Diamond Bar, 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 Diamond Bar to Aliso Viejo moving checklist to organize the tasks and timing.

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

Frequently Asked Questions: Diamond Bar, CA vs Aliso Viejo, CA

How do the cost estimates for Diamond Bar, CA and Aliso Viejo, CA compare?

Aliso Viejo, CA has a modeled overall cost index 17.5% higher than Diamond Bar, 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 Diamond Bar, CA, the model estimates $160,767 in Aliso Viejo, 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 Diamond Bar, CA and Aliso Viejo, CA?

The modeled two-bedroom rents are $3,580/month in Diamond Bar, CA and $3,920/month in Aliso Viejo, 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.