San Mateo Gateway III - office in San Mateo, CA
Office

San Mateo Gateway III

1820 gateway dr, san mateo, CA

Price

Price on request

Square Feet

71,149

Location

1820 gateway dr, san mateo, CA

Marker
Leaflet © OpenStreetMap contributors

Property Details

Building Size71,149 SF
Year Built1986

Lease Details

Available Space21,063 SF

Market Context

This office in San Mateo, CA is listed for lease across 71,149 SF. The building dates to 1986. It has been on the market for 64 days.

As of Q1 2026, the San Francisco Peninsula office market showed a 16.5% vacancy rate. Source: Colliers Q1 2026 market report.

Projected current pricing

indicative confidence
Projected asking rent
$73.32/SF/yr
Estimated sale value
$336–$569/SF

Modeled estimate (income approach) shown as a range — not an appraisal. No market-specific cap rate is published for San Francisco Peninsula office yet, so this applies the typical cap rate across comparable office markets — treat it as a rough, indicative range that sharpens as sourced cap rates arrive. Projected asking rent × occupancy × net-operating-income margin band ÷ a benchmark cap rate, from Q4 2025 asking-rent data (benchmark cap rate 6.6%–8.6%, asking rent held flat).

View the full San Francisco Peninsula Office market report →

Above-average vacancy gives tenants leverage and a wide set of comparables.

Compare it against other office listings for lease in San Mateo, CA to benchmark pricing and space — view the full market.

Office market FAQ

Is the San Francisco Peninsula office market tightening or softening?
Vacancy is around 16.5% (Q1 2026).

Unified Estimate

Medium Confidence
$1.63/SF/mo-$2.21/SF/mo
Mid: $1.92/SF/mo
Total estimate for 71,149 SF
$136,606

Rate estimator only; cost-of-business estimate unavailable.

Lease Rate & Market Trend

Market report quarterly trend fallbackFIPS 06081

Low Confidence
  • Avg Rent ($/SF/mo) (market data)
  • Vacancy %
Q2 '24Q3 '24Q4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26$0$70$140$210$2800%10%20%30%40%
Market asking rent (quarterly avg)Vacancy rate (right axis)

Investment Analysis

Beta Feature: Investment Analysis is currently in beta testing. Metrics are calculated based on available financial data and market comparables. Results are for informational purposes and should not be considered financial advice. Verify all assumptions and consult with a financial advisor before making investment decisions.

Insufficient financial data for full analysis. Add more financial fields to improve metric coverage.

Market Employment Trend

YoY Growth:+0.5%
Avg Weekly Wage:$1,970

December 2025 • Source: BLS QCEW

Economic Indicators

30-Yr Mortgage:6.47%
CPI Inflation (YoY):4.2%

Source: FRED

Market Demographics

Census ACS 2024
Population742,340
Median Income$159k↑ 113%
College Educated44.7%↑ 11.3pp
Median Age40.9 yrs
Median Home Value$1560k
Unemployment4.8%↑ 1.2pp

2024 American Community Survey 5-Year Estimates •Released annually by U.S. Census Bureau

Assumptions
  • Market comparison: office in san mateo, CA

More Office for Lease in San Mateo, CA(5)

Contact Broker

Gary Boitano

Listed by

Cushman & Wakefield