ZIP Code · CA

ZIP 94904

Part of Kentfield, CA

Pop. 12,815·Marin County·33rd most expensive ZIP in California

Median rent (all units)

$5,118/mo

Year-over-Year

+42.7%

Month-over-Month

+2.0%

vs US Median

+$3,186

Reported rents

Rising (Monthly)

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ZIP 94904 · $5,118

More expensive than 99% of US ZIP codes · National median $1,932/mo

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Medians by bedroom

Rent by unit size

Studio

$2,260

1 BR

$2,710

2 BR

$3,280

3 BR

$4,190

4 BR+

$4,340

Research median

$3,280/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 94904 changed +42.7% 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 7 months in a row, and rose in 9 of the last 12 months.

What a typical income covers

30% of the median household income ($169,118) is $4,228 a month. That covers HUD's Fair Market Rent for up to a 3-bedroom ($4,190); a 4-bedroom is $4,340.

Cheaper nearby

ZIP 94939, 2 miles away, rents for 17% less ($4,232/mo), about $10,600 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 94904. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$61,416/yr

At $5,118/mo median

Location

CityKentfield

StateCA

CountyMarin County

Rent Market Meter

Strong Landlord's Market

Renter's MarketBalancedLandlord's Market

Rents are up 42.7% year-over-year. Expect competition, and move quickly to lock in terms.

Based on rent-price momentum (+42.7% YoY, +2.0% MoM), not inventory.

Demographics

Who lives here

ZIP 94904 (Kentfield, CA) is majority owner-occupied, has a large retiree population, has a median income above the national average, 73.5% of residents hold a bachelor's degree or higher.

Population

12,815

Median income

$169,118

Median age

50.9

Renters

37.2%

Age distribution

18.8%

13.6%

23.6%

16.5%

27.5%

Under 1818.8%

18–3413.6%

35–5423.6%

55–6416.5%

65+27.5%

Gender

45.2%

54.8%

Male45.2%

Female54.8%

Race & ethnicity

78.5%

White78.5%

Hispanic8.5%

Asian6.6%

Other6%

Education (25+)

18%

73.5%

No HS diploma0.9%

HS diploma7.7%

Some college18%

Bachelor's+73.5%

Housing tenure

62.8%

37.2%

Owner62.8%

Renter37.2%

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

2021 vs 2026

How ZIP 94904 in Kentfield, CA has changed in 5 years

Income

$143,338 → $169,118

up 18.0%

Population

13,391 → 12,815

down 4.3%

Renter share

35.9% → 37.2%

+1.3 pts

Bachelor's+

71.4% → 73.5%

+2.1 pts

Median age

49.5 → 50.9

+1.4 yrs

Household income in the area moved from $143,338 to $169,118 across the same window, up 18.0% versus 2021. Census counts show ZIP 94904 in Kentfield, CA losing about 576 residents over the five-year window, down 4.3% on net. Bachelor's-degree-or-higher attainment moved from 71.4% to 73.5% across the same window.

Community

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Local insights

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About renting in ZIP 94904

Last updated: October 17, 2026

ZIP code 94904 covers Kentfield, CA. The median rent here is $5,118/mo as of October 2026. A 1-bedroom rents for a median of $2,710/mo. A 2-bedroom rents for a median of $3,280/mo.

At 36% of local median household income ($169,118/yr), ZIP 94904 ranks as moderate compared to the national benchmark of 30%. Rents have increased 42.7% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 94904?

To keep rent at or below 30% of gross income, you would need to earn at least $205,000/year (about $99/hour full-time) to afford the median rent of $5,118/mo in ZIP 94904. The local median household income is $169,118/yr, so the typical household falls short of that bar.

Is rent going up or down in ZIP 94904?

Rent in ZIP 94904 has risen 42.7% over the past year.

How does ZIP 94904 compare to other ZIPs in California?

ZIP 94904 is one of the pricier among California ZIP codes for rent, ranking #33 of 898 at $5,118/mo. Over the year to September 2026, rent in ZIP 94904 changed +42.7%, against a typical +3.2% across the 819 California ZIP codes Zillow tracks.

Income Affordability

36%

MODERATE

At $5,118/mo, rent takes ~36% of ZIP 94904's median household income ($169,118/yr). The standard benchmark is 30%.

ZIP 94904 36%Benchmark 30%

State income tax1–13.3%

Nearby ZIPs

Mill Valley · $4,715/mo