ZIP Code 94121 Housing Data
San Francisco ZIP code, 12 census tracts
ZIP code 94121 has 19,777 housing units, a mid-sized ZIP codes in San Francisco. The median rent is $2,363, the median owner-occupied home is worth $1,611,400, and 56.1% of occupied homes are rented. On today's market, Zillow puts asking rent at $4,159 and the typical home at $1,833,000 as of August 2026.
That rent is the 9th lowest of 26 ZIP codes and 5% below the citywide figure of $2,476. The figures below come from the Census Bureau's American Community Survey, reported for the ZIP code tabulation area as described in the methodology, and are part of the San Francisco housing overview.
94121 within San Francisco
Ranks are among the 26 San Francisco ZIP codes on this site, the 26 with at least 500 homes. Census figures are ACS 2020-2024; the last four cards are Zillow market data for August 2026.
Who owns and who rents in ZIP code 94121
Of 18,206 occupied homes in ZIP code 94121, 10,222 are rented and 7,984 are owner-occupied. That renter share of 56.1% is the 10th lowest of 26 ZIP codes, 5.7 points below the citywide figure of 61.8%. Households average 2.28 people, 2.47 in owned homes and 2.14 in rentals.
See every ZIP code ranked by renter share or by homeownership rate.
What rent costs in ZIP code 94121
The median gross rent in ZIP code 94121 is $2,363 a month, the Census Bureau's published median for 9,643 renter households. Gross rent includes utilities. That is the 9th lowest of 26 ZIP codes and 5% below the citywide figure of $2,476.
41.6% of renter households here spend 30 percent or more of their income on rent, the Census threshold for being rent-burdened, and 21.9% spend half or more. Citywide, 39.6% of renters are rent-burdened. Compare on the median rent, rent burden and severe rent burden rankings.
What homes are worth in ZIP code 94121
Owners in ZIP code 94121 put the median value of their home at $1,611,400, the 7th highest of 24 ZIP codes and 16% above the citywide figure of $1,394,500. This is the owner's own estimate as reported to the Census, not a sale price, so it runs below market in a rising market.
The homeowner vacancy rate, homes for sale as a share of the owner stock, is 1.3%. See the home value ranking.
What ZIP code 94121 costs on the market right now
Zillow puts the typical home in ZIP code 94121 at $1,833,000 as of August 2026, the 6th highest of 25 ZIP codes and 29% above the citywide figure of $1,425,000. That is up 17.6% over the past year and up 3.8% over five years, and the one-year change is the 5th highest of 25 ZIP codes. The Census value above is what owners said their home was worth, averaged over the 2020-2024 survey years. Zillow's figure is a model of what homes would sell for now, so the two are expected to differ, and Zillow's is the one to use for today's market.
The typical asking rent on a new listing in ZIP code 94121 is $4,159 a month as of August 2026, by Zillow's rent index, the 9th lowest of 25 ZIP codes and 11% below the citywide figure of $4,682. Asking rent is up 23.2% over the past year. Current tenants here pay a median of $2,363 including utilities, so a new lease costs about 76% more than what the typical renter already pays. That premium is the 11th highest of 25 ZIP codes. Rent control, long tenancies and subsidized housing all hold paid rents below asking rents, so the widest gaps are where tenants have stayed longest or where much of the stock is below market, and the citywide premium is 89.1%.
Homes in ZIP code 94121 sold for a median of $1,030 per square foot from March to May 2026, by Redfin's sales records, the 8th lowest of 24 ZIP codes and 9% below the citywide figure of $1,129. That is up 3.8% from the same three months a year earlier and up 2.0% over five years. Price per square foot is the quickest way to compare areas where the homes differ in size, because a small condo and a large house can carry the same price tag.
Rankings: current home values, sale price per square foot, asking rents and the asking rent premium.
Source: Zillow Research, ZHVI and ZORI, August 2026. Both figures are Zillow's indexes for ZIP code 94121 itself, no rollup needed. Method on the methodology page.
Price per square foot: Redfin, median sale price per square foot, all residential sales closed March to May 2026. This is Redfin's figure for ZIP code 94121 itself, from 68 sales.
How many homes sit empty in ZIP code 94121
1,571 of ZIP code 94121's 19,777 housing units were vacant when surveyed, a vacancy rate of 7.9%, the 9th lowest of 26 ZIP codes and 4.3 points below the citywide figure of 12.2%. The Census counts a unit as vacant for any reason, including homes between tenants, second homes and units held off the market, so this is broader than the rental vacancy rate.
The rental vacancy rate, units for rent as a share of the rental stock, is 3.2% against 6.7% citywide. Why the vacant units are empty:
Rankings: overall vacancy, rental vacancy and homeowner vacancy. Every reason above has its own ranking of all 38 neighborhoods: for rent, rented but not yet occupied, for sale, sold but not yet occupied, for seasonal or occasional use and other vacant homes.
What kind of buildings ZIP code 94121 has
37.6% of homes in ZIP code 94121 are single-family houses, 36.4% are in two-to-four-unit buildings, and 4.8% are in buildings with 20 or more units. The single-family share is the 9th highest of 26 ZIP codes.
Rankings by single-family share, share in two-to-four-unit buildings and share in large buildings, or by each building type: detached, attached, 2 units, 3-4 units, 5-9 units, 10-19 units, 20-49 units and 50+ units.
When ZIP code 94121's homes were built
55.0% of ZIP code 94121's housing was built before 1940, the 8th highest of 26 ZIP codes, and 1.0% has been built since 2010. Citywide the pre-1940 share is 45.2%.
Rankings by pre-1940 housing and new construction, or by decade: 1940s, 1950s, 1960s, 1970s, 1980s, 1990s, 2000s, 2010s and 2020+.
Household income in ZIP code 94121
The median household income in ZIP code 94121 is $133,358, the 10th lowest of 26 ZIP codes and 5% below the citywide figure of $140,970. Income and rent together drive the rent burden figure above. See the income ranking.
Overcrowding and turnover in ZIP code 94121
3.3% of occupied homes in ZIP code 94121 have more than one person per room, the Census definition of overcrowding, the 10th lowest of 26 ZIP codes. Citywide it is 6.0%. 3.6% of households moved in 2023 or later, a rough measure of turnover, against 6.2% citywide. Rankings: overcrowding, recent movers.
How ZIP code 94121's housing has changed
Between the 2010-2014 and 2020-2024 surveys, the median rent in ZIP code 94121 went from $1,522 to $2,363, up 17% after inflation. The median home value went from $864,200 to $1,611,400, up 41% in real terms, and median household income rose 43% in real terms.
In 2024 dollars: $2,0172015-2019 Median rent, nominal: $1,904
In 2024 dollars: $2,3362020-2024 Median rent, nominal: $2,363
In 2024 dollars: $2,363
| Survey | Population | Housing units | Renters | Vacancy | Median rent | Median value | Median income |
|---|---|---|---|---|---|---|---|
| 2010-2014 | 42,043 | 18,776 | 58.9% | 8.4% | $1,522 | $864k | $70k |
| 2015-2019 | 43,616 | 19,085 | 57.8% | 8.6% | $1,904 | $1.24M | $103k |
| 2020-2024 | 41,995 | 19,777 | 56.1% | 7.9% | $2,363 | $1.61M | $133k |
Decennial census, 2010 and 2020
The full census counts every home rather than sampling, so these figures have no margin of error. ZIP code 94121's population grew 5% between 2010 and 2020 while its housing stock grew 3%.
| Census | Population | Housing units | Occupied | Vacant | Vacancy rate | Renters |
|---|---|---|---|---|---|---|
| 2010 | 41,203 | 18,787 | 17,295 | 1,492 | 7.9% | 60.1% |
| 2020 | 43,115 | 19,386 | 17,926 | 1,460 | 7.5% | 60.4% |
Where ZIP code 94121 is
ZIP code 94121 is one of San Francisco's 26 residential ZIP codes with Census data. The Census Bureau reports it as a ZIP code tabulation area, a boundary built from the blocks where that ZIP delivers most mail. It covers the Outer Richmond and Seacliff, in whole or in part, in supervisor district 1.
See all ZIP codes.
Census tracts mostly inside this ZIP code: 047600, 980200, 047904, 047801, 042800, 042601, 047903, 047902, 042700, 047701, 047802, 047702. Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates at ZIP code tabulation area level (tables B25001 to B25077, B19001, B25008, B25014, B25024, B25034, B25038, B25070), 2010 SF1 and 2020 DHC; DataSF Analysis Neighborhoods crosswalk; Zillow Research ZHVI and ZORI, August 2026. Dollar figures are in 2024 dollars unless marked nominal. Full method on the methodology page.
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