ZIP Code · CA

ZIP 94939

Part of Larkspur, CA

Pop. 7,315·Marin County·75th most expensive ZIP in California

Median rent (all units)

$4,232/mo

Year-over-Year

+22.7%

Month-over-Month

+4.4%

vs US Median

+$2,300

Reported rents

Rising (Monthly)

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Most AffordableMost Expensive

ZIP 94939 · $4,232

More expensive than 98% of US ZIP codes · National median $1,932/mo

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Medians by bedroom

Rent by unit size

Studio

$2,820

1 BR

$3,380

2 BR

$4,090

3 BR

$5,220

4 BR+

$5,420

Research median

$4,090/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

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Last updated: October 17, 2026

From the history

What the numbers show

Past year vs. the rest of California

Rent in ZIP 94939 changed +22.7% over the year to September 2026. Across the 819 California ZIP codes Zillow tracks, the typical change was +3.2%.

Recent direction

Rent has risen 11 months in a row, and rose in 11 of the last 12 months.

What a typical income covers

30% of the median household income ($203,988) is $5,100 a month. That covers HUD's Fair Market Rent for up to a 2-bedroom ($4,090); a 3-bedroom is $5,220.

Cheaper nearby

ZIP 94901, 3 miles away, rents for 33% less ($2,822/mo), about $16,900 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 94939. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$50,784/yr

At $4,232/mo median

Location

CityLarkspur

StateCA

CountyMarin County

Rent Market Meter

Strong Landlord's Market

Renter's MarketBalancedLandlord's Market

Rents are up 22.7% year-over-year. Expect competition, and move quickly to lock in terms.

Based on rent-price momentum (+22.7% YoY, +4.4% MoM), not inventory.

Demographics

Who lives here

ZIP 94939 (Larkspur, CA) is roughly split between renters and owners, has a large retiree population, has a median income above the national average, 70.7% of residents hold a bachelor's degree or higher.

Population

7,315

Median income

$203,988

Median age

48.4

Renters

50.2%

Age distribution

18.8%

14.3%

27.7%

17.7%

21.5%

Under 1818.8%

18–3414.3%

35–5427.7%

55–6417.7%

65+21.5%

Gender

50.9%

49.1%

Male50.9%

Female49.1%

Race & ethnicity

76.2%

White76.2%

Black1.2%

Hispanic8.4%

Asian5.1%

Other9.1%

Education (25+)

20.9%

70.7%

No HS diploma3.8%

HS diploma4.5%

Some college20.9%

Bachelor's+70.7%

Housing tenure

49.8%

50.2%

Owner49.8%

Renter50.2%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2021 vs 2026

How ZIP 94939 in Larkspur, CA has changed in 5 years

Income

$150,179 → $203,988

up 35.8%

Population

7,274 → 7,315

up 0.6%

Renter share

54% → 50.2%

-3.8 pts

Bachelor's+

78.2% → 70.7%

-7.5 pts

Median age

46.8 → 48.4

+1.6 yrs

Census figures show median household income at $203,988 today, compared with $150,179 five years earlier. Renters now make up 50.2% of households, compared with 54% five years ago. College-educated residents now make up 70.7% of adults here, versus 78.2% in 2021.

Community

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Local insights

Tips for renters in ZIP 94939

About renting in ZIP 94939

Last updated: October 17, 2026

ZIP code 94939 covers Larkspur, CA. The median rent here is $4,232/mo as of October 2026. A 1-bedroom rents for a median of $3,380/mo. A 2-bedroom rents for a median of $4,090/mo.

At 25% of local median household income ($203,988/yr), ZIP 94939 ranks as affordable compared to the national benchmark of 30%. Rents have increased 22.7% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 94939?

To keep rent at or below 30% of gross income, you would need to earn at least $169,000/year (about $81/hour full-time) to afford the median rent of $4,232/mo in ZIP 94939. The local median household income is $203,988/yr, so the typical household meets that bar.

Is rent going up or down in ZIP 94939?

Rent in ZIP 94939 has risen 22.7% over the past year.

How does ZIP 94939 compare to other ZIPs in California?

ZIP 94939 is one of the pricier among California ZIP codes for rent, ranking #75 of 898 at $4,232/mo. Over the year to September 2026, rent in ZIP 94939 changed +22.7%, against a typical +3.2% across the 819 California ZIP codes Zillow tracks.