Port Jefferson, NY vs San Diego, CA: Cost of Living

Which city costs less?

San Diego, CA has a modeled overall cost index 8.9% higher than Port Jefferson, NY.

Port Jefferson, NY · modeled 2BR rent: $2,830 / month
San Diego, CA · modeled 2BR rent: $3,360 / 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 Port Jefferson, NY and San Diego, 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 Port Jefferson, NY

Numbers update automatically as you type

Estimated extra cost: $415/month in San Diego, CA

$150,000 in your current city has a modeled equivalent of $154,983 in San Diego, CA

Regional cost estimates: Port Jefferson, NY uses New York, NY. San Diego, CA uses San Diego-Chula Vista-Carlsbad, CA Metropolitan Area. Available city ZIP rent estimates are shown separately.

Overall Cost

↑ 8.9%

More expensive

Monthly Impact

$415

Extra cost

Annual Impact

$5.0K

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.

Port Jefferson, NY

Population:8K

Cost Index:

132.3

100 = national average

Typical Home:$763K

San Diego, CA

Population:1387K

Cost Index:

144.0

100 = national average

Typical Home:$980K

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Port Jefferson, NY

The Empire State

Population

State Tax

Yes

Located in New York, this city has a population of 8K residents.

San Diego, CA

The Golden State

1.4M

Population

State Tax

Yes

Climate

Semi-arid Mediterranean

Notable Facts

•Year-round perfect weather
•Major military presence
•Biotech hub

Major Industries

MilitaryTechnologyTourismBiotechnology

Cost Breakdown by Category

Estimated monthly spending: Port Jefferson, NY vs San Diego, 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	Port Jefferson, NY	San Diego, CA	Difference	Change
Transportation	$905/mo	$1,127/mo	↑ $222more	24.5%
Other	$1,148/mo	$1,357/mo	↑ $208more	18.1%
Housing	$3,886/mo	$3,746/mo	↓ $140less	3.6%
All Utilities	$382/mo	$455/mo	↑ $72.79more	19.1%
Groceries	$741/mo	$774/mo	↑ $32.55more	4.4%
Healthcare	$438/mo	$458/mo	↑ $20.04more	4.6%

Transportation

↑ 24.5%

Port Jefferson, NY

$905

San Diego, CA

$1,127

Difference

$222

Other

↑ 18.1%

Port Jefferson, NY

$1,148

San Diego, CA

$1,357

Difference

$208

Housing

↓ 3.6%

Port Jefferson, NY

$3,886

San Diego, CA

$3,746

Difference

$140

less

All Utilities

↑ 19.1%

Port Jefferson, NY

$382

San Diego, CA

$455

Difference

$72.79

Groceries

↑ 4.4%

Port Jefferson, NY

$741

San Diego, CA

$774

Difference

$32.55

Healthcare

↑ 4.6%

Port Jefferson, NY

$438

San Diego, CA

$458

Difference

$20.04

🏠Rent Comparison

Studio

From$2,050

To$2,565

↑ $515

1 Bed

From$2,450

To$2,755

↑ $305

2 Bed

From$2,830

To$3,360

↑ $530

3 Bed

From$3,670

To$4,475

↑ $805

Port Jefferson, NYZIP-level data

1BR range: $2,450–$2,450/mo

San Diego, CAZIP-level data

1BR range: $1,980–$3,690/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 Port Jefferson, NY

$7,915

Monthly in San Diego, CA

$415

Difference

Home Values

Port Jefferson

San Diego

$763K

Median Value

$980K

↑ +4.8%

YoY Change

↓ -3%

↑ +33.3%

5-Year Change

↑ +37.4%

$763K

Price Range

$598K - $2.01M

Homes in San Diego are 29% more expensive than Port Jefferson

Calculate payment - Port Jefferson Calculate payment - San Diego

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

Tax Comparison

Annual tax burden comparison at $150.0K salary

Tax Savings

↓ $1.1K

More taxes

Monthly Difference

$90.26

Less take-home

Effective Rate Diff

0.7%

Rate difference

Port Jefferson, NY

Federal Income Tax

Effective: 18.9%

$25.5K

New York State Tax

Effective: 6.4%

$9.5K

FICA Taxes

Social Security + Medicare

$11.5K

Total Taxes

Effective: 31.0%

$46.6K

Take-Home Pay

$8,620/month

$103.4K

San Diego, 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

Port Jefferson, NY Tax Rates

Sales Tax:8.8%

Property Tax:1.2%

San Diego, 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.

🚶 Walkability

Modeled road attributes, not a safety assessment. Methodology and limitations

Port Jefferson, NY: No data yet

San Diego, CA

21/100

4.9% sidewalk tags · 12.5% cycling tags

Environment

Port Jefferson

San Diego

43 Good

Air Quality

71 Moderate

65.8%

Good Air Days

12.8%

99 High

Climate Risk

100 Very High

🌊🌀🌡

Top Hazards

🔥🌊🌡

▲+2.7°F

2050 Outlook

▲+2.1°F

11 days

Heat Days >95°F

1 days

▲+2.7°F

2050 Outlook

▲+2.1°F

11 days

Heat Days >95°F

1 days

Before moving from Port Jefferson, NY to San Diego, 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 Diego, CA for the same bedroom count and included utilities as your home in Port Jefferson, NY. 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 Port Jefferson to San Diego moving checklist to organize the tasks and timing.

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

Frequently Asked Questions: Port Jefferson, NY vs San Diego, CA

How do the cost estimates for Port Jefferson, NY and San Diego, CA compare?

San Diego, CA has a modeled overall cost index 8.9% higher than Port Jefferson, NY. 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 Port Jefferson, NY, the model estimates $154,983 in San Diego, 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 Port Jefferson, NY and San Diego, CA?

The modeled two-bedroom rents are $2,830/month in Port Jefferson, NY and $3,360/month in San Diego, 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.

💰 See how taxes change too — compare take-home pay between New York and California on TaxTakeHome.com