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San Francisco's ZIP codes are powerful indicators of real estate market dynamics, with home values and neighborhood characteristics varying dramatically across these geographic boundaries. Understanding the data behind each ZIP code is essential for making informed buying, selling, or investing decisions in the competitive 2026 market. Core factors such as median home price, property type concentration, and year-over-year value trends provide a clear, quantifiable snapshot of each area's standing.
A San Francisco ZIP code does more than just route your mail; it serves as a key data point for assessing property value. The city's unique geography and dense urban planning create distinct micro-markets. For instance, data from the San Francisco Association of Realtors in early 2026 shows that the median price for a single-family home in the 94123 ZIP code (Marina, Cow Hollow) can be over 150% higher than in the 94134 ZIP code (Portola, Visitacion Valley). This disparity is driven by factors like proximity to the waterfront, school district ratings, and historical preservation status. When analyzing a property, it's crucial to look at the price per square foot within its specific ZIP code, as this metric often provides a more accurate comparison than the median sale price alone, especially given the mix of condominiums and single-family homes.
Prospective buyers and investors should leverage publicly available data to track market trends. The San Francisco Office of the Assessor-Recorder provides public portals where you can review recent sale prices and property tax assessments for any address. Property tax is an annual fee levied by the government based on the assessed value of real estate. Furthermore, many real estate data aggregators allow you to filter market reports by ZIP code, showing metrics like average days on market and sale-to-list price ratios. The table below illustrates a simplified comparison of key metrics across a sample of San Francisco ZIP codes based on Q1 2026 data:
| ZIP Code | Primary Neighborhoods | Median Home Price (Q1 2026) | Predominant Property Type |
|---|---|---|---|
| 94109 | North Beach, Russian Hill | $1.35M | Condominium |
| 94110 | Mission Bernal, Potrero Hill | $1.15M | Multi-Unit Building |
| 94112 | Ingleside, Excelsior | $1.05M | Single-Family Home |
| 94118 | Inner Richmond, Lone Mountain | $1.8M | Single-Family Home |
Beyond raw numbers, each ZIP code encapsulates a specific lifestyle. The 94133 ZIP code, covering Telegraph Hill and parts of North Beach, is known for its historic condominium buildings (a type of individually owned unit within a larger building or complex) and walkable, vibrant streets. In contrast, the 94131 ZIP code, which includes West Portal and Twin Peaks, offers more single-family homes with quieter, suburban-like streets and easy access to public transportation. "Based on our experience assessment," neighborhoods within the 94127 ZIP code (West of Twin Peaks) often appeal to families due to larger lot sizes and proximity to parks like the San Francisco Zoo, while the 94102 ZIP code (Civic Center, Tenderloin) has a higher concentration of commercial real estate and rental apartments.
It is critical to understand that ZIP code boundaries do not always align perfectly with neighborhood boundaries or school attendance zones. A ZIP code overlay, where two or more ZIP codes serve the same geographic area, can occur in some parts of the city. Relying solely on a ZIP code for critical decisions like school eligibility can be misleading. Always verify specific addresses with the relevant school district or city planning department. Furthermore, for property transfer tax calculations, the City and County of San Francisco uses the exact sale price, not a ZIP-code-based average, making precise valuation essential.
To effectively use San Francisco ZIP codes in your real estate research, always cross-reference median price data with property-specific details, verify school districts and neighborhood boundaries independently, and consult recent sales comparables to build a complete financial picture before transacting.
