Quantitative Property Analytics
Atherton Real Estate Market Data & Benchmark Metrics
Independent market research tracking price per square foot, land values, days on market, and off-market transaction volume in ZIP 94027.
Macro Market Key Performance Indicators (94027)
Land Valuation Benchmark
$8.5M - $12.0M
Average value for a vacant 1-acre residential lot with clean tree canopy and standard R1-A building envelope.
Finished Residence Range
$1,850 - $2,600+
Average price per square foot for modern custom estates completed after 2020.
Historical Transaction Benchmark Data
| Year Period | Median Sale Price | Avg Land Value (1-Acre) | Avg Days on Market | Off-Market Volume % |
|---|---|---|---|---|
| 2026 (YTD) | $8,450,000 | $9,200,000 | 42 Days | 38% Private |
| 2025 | $8,200,000 | $8,800,000 | 45 Days | 35% Private |
| 2024 | $7,900,000 | $8,300,000 | 52 Days | 32% Private |
| 2023 | $7,500,000 | $7,800,000 | 58 Days | 28% Private |
Key Leading Indicators Influencing 94027 Values
- Venture Liquidity Cycles: Direct correlation between Silicon Valley IPO / secondary market liquidity and immediate demand for trophy Atherton land.
- All-Cash Transaction Ratio: Over 70% of Atherton estate transactions execute as all-cash, shielding the local market from interest rate volatility.
- Strict Fixed Parcel Supply: Municipal annexation constraints ensure that zero new land parcels can be added to the Town of Atherton.