Real Estate Data API

91001 Altadena

148 active listings out of 12K total properties we track in ZIP 91001 (Altadena, CA) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
148
Median
$1.5M
±0%
Sales (12mo)
363
Tracked
12K
Zoomed out

While you're here, take in the bigger picture — maps below show Los Angeles metro, not just 91001. Same company, same dataset, different resolution.

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Over the past 12 months, ZIP 91001 has recorded 363 home sales.

Key Numbers
Tracked
12K
Active
148
Median list
$1.5M
Sales (12mo)
363
Get this data →

Right now, 148 homes are actively for sale in ZIP 91001. Median list price is $1.5M at $744/sqft. Hover each hex for micro-neighborhood stats (median price, $/sqft, top property type).

Key Numbers
Tracked
12K
Active
148
Median list
$1.5M
Sales (12mo)
363
Get this data →
Key Numbers
Tracked
12K
Active
148
Median list
$1.5M
Sales (12mo)
363
Get this data →
Key Numbers
Tracked
12K
Active
148
Median list
$1.5M
Sales (12mo)
363
Get this data →
Key Numbers
Tracked
12K
Active
148
Median list
$1.5M
Sales (12mo)
363
Get this data →
Key Numbers
Tracked
12K
Active
148
Median list
$1.5M
Sales (12mo)
363

Inventory breakdown

Distribution of the 148 currently-active listings in ZIP 91001. Full dataset covers 12K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 0 (0%)
$300K–$500K 2 (1.4%)
$500K–$750K 17 (11.6%)
$750K–$1M 23 (15.6%)
$1M–$2M 73 (49.7%)
$2M+ 32 (21.8%)
Active by bedroom count
Studio/1 bd 11
2 bd 15
3 bd 40
4 bd 36
5+ bd 33
Active by property type
Single Family 120 (81.1%)
Multi Family 14 (9.5%)
Lot 11 (7.4%)
Condo 3 (2%)
For Developers

Get Altadena 91001 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/91001
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "91001",
  "total_tracked": 12396,
  "active": 148,
  "median_list": 1495000
}
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ZIP 91001 · Altadena, CA real estate: market summary

As of June 2026, Straply tracks 12,396 homes in ZIP 91001 (Altadena, CA), with 148 active for sale at a median list price of $1,495,000 (~$744/sq ft). Notably, it's a high-end market — 24% of recent sales were $1M or more.

Median list price
$1,495,000
Median $/sq ft
$744
Active listings
148
Properties tracked
12,396

Frequently asked: ZIP 91001 · Altadena, CA real estate

What is the median home price in ZIP 91001?

The median list price in ZIP 91001 (Altadena, CA) is $1,495,000 (about $744 per square foot), based on 148 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 91001?

Active listings in ZIP 91001 (Altadena, CA) concentrate in: 50% $1m–$2m and 22% $2m+.

How many homes are for sale in ZIP 91001?

Straply is tracking 148 active listings in ZIP 91001 (Altadena, CA) out of 12,396 properties on record as of June 2026.

How old are the homes in ZIP 91001?

Most homes in ZIP 91001 (Altadena, CA) were built in the 1940s. About 6% were built after 1980, while 38% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 91001?

ZIP 91001 (Altadena, CA) is mostly single-family homes (81% of listings). Also common: multi-family homes 10%, lots / land 7%.

How many bedrooms do homes in ZIP 91001 typically have?

The most common size in ZIP 91001 (Altadena, CA) is 3 bd.

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