Real Estate Data API

94546 Castro Valley

101 active listings out of 15K total properties we track in ZIP 94546 (Castro Valley, CA) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
101
Median
$998K
-21.2%
Sold/mo
2
-93.9%
Tracked
15K
Zoomed out

While you're here, take in the bigger picture — maps below show San Francisco Bay Area metro, not just 94546. Same company, same dataset, different resolution.

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Over the past 12 months, ZIP 94546 has recorded 397 home sales. Last month saw 2 sales (-93.9% vs the prior month). Most recent median sale price: $867K.

Key Numbers
Tracked
15K
Active
101
Median list
$998K
Sales (12mo)
397
Get this data →

Right now, 101 homes are actively for sale in ZIP 94546. Median list price is $998K at $619/sqft. Hover each hex for micro-neighborhood stats (median price, $/sqft, top property type).

Key Numbers
Tracked
15K
Active
101
Median list
$998K
Sales (12mo)
397
Get this data →
Key Numbers
Tracked
15K
Active
101
Median list
$998K
Sales (12mo)
397
Get this data →
Key Numbers
Tracked
15K
Active
101
Median list
$998K
Sales (12mo)
397
Get this data →
Key Numbers
Tracked
15K
Active
101
Median list
$998K
Sales (12mo)
397
Get this data →
Key Numbers
Tracked
15K
Active
101
Median list
$998K
Sales (12mo)
397

Inventory breakdown

Distribution of the 101 currently-active listings in ZIP 94546. Full dataset covers 15K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 5 (5%)
$300K–$500K 11 (11%)
$500K–$750K 20 (20%)
$750K–$1M 16 (16%)
$1M–$2M 43 (43%)
$2M+ 5 (5%)
Active by bedroom count
Studio/1 bd 8
2 bd 30
3 bd 35
4 bd 24
5+ bd 2
Active by property type
Single Family 51 (50.5%)
Condo 24 (23.8%)
Townhouse 16 (15.8%)
Manufactured 5 (5%)
Multi Family 3 (3%)
Lot 2 (2%)
For Developers

Get Castro Valley 94546 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/94546
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "94546",
  "total_tracked": 15352,
  "active": 101,
  "median_list": 998000
}
Get an API key Read the docs

ZIP 94546 · Castro Valley, CA real estate: market summary

As of June 2026, Straply tracks 15,352 homes in ZIP 94546 (Castro Valley, CA), with 101 active for sale at a median list price of $998,000 (~$619/sq ft). Notably, the market is cooling — the median sale price is down 21% year over year.

Median list price
$998,000
Median $/sq ft
$619
Active listings
101
Median sale price
$867,000 (-21% YoY)
Properties tracked
15,352

Frequently asked: ZIP 94546 · Castro Valley, CA real estate

What is the median home price in ZIP 94546?

The median list price in ZIP 94546 (Castro Valley, CA) is $998,000 (about $619 per square foot), based on 101 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 94546?

Active listings in ZIP 94546 (Castro Valley, CA) concentrate in: 43% $1m–$2m and 20% $500k–$750k.

Are home prices in ZIP 94546 going up or down?

The median sale price is $867,000, down 21% year over year. Straply tracked 397 sales here over the past 12 months.

How many homes are for sale in ZIP 94546?

Straply is tracking 101 active listings in ZIP 94546 (Castro Valley, CA) out of 15,352 properties on record as of June 2026.

How old are the homes in ZIP 94546?

Most homes in ZIP 94546 (Castro Valley, CA) were built in the 1950s. About 18% were built after 1980, while 4% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 94546?

ZIP 94546 (Castro Valley, CA) is mostly single-family homes (50% of listings). Also common: condos 24%, townhouses 16%.

How many bedrooms do homes in ZIP 94546 typically have?

The most common size in ZIP 94546 (Castro Valley, CA) is 3 bd.

Data as of June 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.