Lake Forest, CA vs Union City, CA: Cost of Living

Which city costs less?

Union City, CA has a modeled overall cost index 4.9% lower than Lake Forest, CA.

Lake Forest, CA · modeled 2BR rent: $3,570 / month
Union City, CA · modeled 2BR rent: $3,230 / 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 Lake Forest, CA and Union City, 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 Lake Forest, CA

Numbers update automatically as you type

Estimated savings: $233/month in Union City, CA

$150,000 in your current city has a modeled equivalent of $147,205 in Union City, CA

Regional cost estimates: Lake Forest, CA uses Irvine, CA. Union City, CA uses Fremont, CA. Available city ZIP rent estimates are shown separately.

Overall Cost

↓ 4.9%

Less expensive

Monthly Impact

$233

Savings

Annual Impact

$2.8K

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.

Lake Forest, CA

Population:86K

Cost Index:

176.0

100 = national average

Typical Home:$1.15M

Union City, CA

Population:65K

Cost Index:

167.3

100 = national average

Typical Home:$1.22M

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Lake Forest, CA

The Golden State

86K

Population

State Tax

Yes

Located in California, this city has a population of 86K residents.

Union City, CA

The Golden State

65K

Population

State Tax

Yes

Located in California, this city has a population of 65K residents.

Cost Breakdown by Category

Estimated monthly spending: Lake Forest, CA vs Union City, 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	Lake Forest, CA	Union City, CA	Difference	Change
Transportation	$1,260/mo	$822/mo	↓ $438less	34.8%
Healthcare	$327/mo	$418/mo	↑ $91.81more	28.1%
Other	$1,007/mo	$1,066/mo	↑ $59.06more	5.9%
Housing	$3,961/mo	$4,017/mo	↑ $56.16more	1.4%
All Utilities	$330/mo	$275/mo	↓ $54.96less	16.7%
Groceries	$615/mo	$669/mo	↑ $53.39more	8.7%

Transportation

↓ 34.8%

Lake Forest, CA

$1,260

Union City, CA

$822

Difference

$438

less

Healthcare

↑ 28.1%

Lake Forest, CA

$327

Union City, CA

$418

Difference

$91.81

Other

↑ 5.9%

Lake Forest, CA

$1,007

Union City, CA

$1,066

Difference

$59.06

Housing

↑ 1.4%

Lake Forest, CA

$3,961

Union City, CA

$4,017

Difference

$56.16

All Utilities

↓ 16.7%

Lake Forest, CA

$330

Union City, CA

$275

Difference

$54.96

less

Groceries

↑ 8.7%

Lake Forest, CA

$615

Union City, CA

$669

Difference

$53.39

🏠Rent Comparison

Studio

From$2,960

To$2,380

↓ $580

1 Bed

From$3,030

To$2,640

↓ $390

2 Bed

From$3,570

To$3,230

↓ $340

3 Bed

From$4,850

To$4,130

↓ $720

Lake Forest, CAZIP-level data

1BR range: $3,030–$3,030/mo

Union City, CAZIP-level data

1BR range: $2,640–$2,640/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 Lake Forest, CA

$7,267

Monthly in Union City, CA

$233

Difference

Home Values

Lake Forest

Union City

$1.15M

Median Value

$1.22M

↓ -2.4%

YoY Change

↓ -5.9%

↑ +50.4%

5-Year Change

↑ +28.7%

Homes in Union City are 5% more expensive than Lake Forest

Calculate payment - Lake Forest Calculate payment - Union City

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

Lake Forest, 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

Union City, 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

Lake Forest, CA Tax Rates

Sales Tax:10.5%

Property Tax:0.8%

Union City, 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

Lake Forest

Union City

54 Moderate

Air Quality

49 Good

32.5%

Good Air Days

53%

100 Very High

Climate Risk

100 Very High

🔥🌊🌅

Top Hazards

🔥🌊🌅

▲+2.3°F

2050 Outlook

▲+2.2°F

5 days

Heat Days >95°F

5 days

▲+2.3°F

2050 Outlook

▲+2.2°F

5 days

Heat Days >95°F

5 days

Before moving from Lake Forest, CA to Union City, CA

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

Compare actual homes. Get current quotes in Union City, CA for the same bedroom count and included utilities as your home in Lake Forest, 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 Lake Forest to Union City moving checklist to organize the tasks and timing.

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

Frequently Asked Questions: Lake Forest, CA vs Union City, CA

How do the cost estimates for Lake Forest, CA and Union City, CA compare?

Union City, CA has a modeled overall cost index 4.9% lower than Lake Forest, 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 Lake Forest, CA, the model estimates $147,205 in Union City, 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 Lake Forest, CA and Union City, CA?

The modeled two-bedroom rents are $3,570/month in Lake Forest, CA and $3,230/month in Union City, 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.