Mountain View · Santa Clara County Castro Street core

Old Mountain View

Walkable downtown pocket — Castro Street, Caltrain, and 1920s bungalows

Median Sale
$3,267,500
April 2026 · 26 closings

Old Mountain View Real Estate Market Snapshot

Median Sale Price
$3,267,500
+20.8% vs prior-year median
Avg. Days on Market
11
% List Price Received
107%
Homes Sold (April 2026)
26
Median price trend
2025 · $2,705,000 April 2026 · $3,267,500
List-price received
107%
90%100%120%+

As of April 2026 · Source: SCCAOR/MLSListings

Living in Old Mountain View

Old Mountain View is the original residential pocket immediately surrounding Castro Street, the city's pedestrian commercial spine. Bounded approximately by Central Expressway, Shoreline Boulevard, El Camino Real, and Calderon Avenue, it occupies a tight grid of streets that pre-date most of Silicon Valley's tech-era development.

The neighborhood's defining feature is walkability. From the heart of Old Mountain View, you can walk to 50+ restaurants, the Mountain View Caltrain station, the Mountain View Center for the Performing Arts, the public library, and the weekly farmers' market on Castro Street. For a Bay Area neighborhood, this is genuinely rare — most of Silicon Valley was built post-WWII around the car. Old Mountain View was built around the train station.

Schools

Mountain View Whisman School District (Bubb, Castro, Landels, or Mistral Elementary). Mountain View High School (Mountain View-Los Altos Union HSD), top-performing.

Lifestyle

Walking distance to Castro Street, Caltrain, library, Performing Arts Center, and farmers' market. Google campus 8 minutes. LinkedIn 12 minutes. Apple secondary campuses 15 minutes.

Price Ranges

Original-condition bungalows: $2M-$3M. Restored or renovated: $2.5M-$4M. New construction: $4M-$6M. ADU pairings increasingly common.

Frequently Asked Questions about Old Mountain View

What is the transfer tax in Old Mountain View, Santa Clara County?
Santa Clara County charges a base transfer tax of $1.10 per $1,000 of consideration. The county's largest cities (San Jose, Mountain View, Palo Alto) impose additional municipal transfer taxes — confirm the rate that applies to Old Mountain View with escrow.
What disclosures are required when selling a home in Old Mountain View?
California requires Transfer Disclosure Statement, Natural Hazard Disclosure, lead-based paint (pre-1978), water-conserving plumbing fixtures, and smoke and carbon monoxide alarm certifications. Santa Clara County properties may also need to comply with local supplemental disclosures depending on the city.
What is the difference between median and average home price in Old Mountain View?
Median price is the middle number when all sale prices are sorted — half of homes sold above, half below. It resists distortion from a few very expensive sales. Average price is the arithmetic mean and can be skewed upward by individual high-end transactions. Median is the more reliable indicator of typical Old Mountain View home pricing.

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Last updated 2026-05-19 · By Lisa M. Lum, Realtor® · Coldwell Banker Realty · DRE 02005150