Land for Sale in Altadena
5,337 properties tracked in Altadena, Los Angeles County. Average assessed value $307,300 with lots averaging 0.28 acres.
Flood zones · Fire hazard zones in Altadena
5,337
Total Parcels
$307,300
Average Price
0.28 ac
Average Lot Size
Single
Most Common Use
Why Buy Land in Altadena?
Altadena offers 5,337 land properties in Los Angeles County with an average assessed value of $307,300 and average lot sizes of 0.28 acres, making it a premium market for vacant land in the greater LA region.
With properties ranging from $9 to $2,423,713 in assessed value, Altadena provides options for a wide range of buyers — from investors looking for affordable desert acreage to developers seeking higher-value lots closer to urban infrastructure. The area's predominantly single land use reflects the types of development opportunities available.
LandGrab tracks every property in Altadena with detailed data including elevation, slope, flood zone status, fire hazard severity, soil quality, and proximity to roads and utilities — all sourced from public records and free to access.
Featured Parcels in Altadena
Highest-value parcels currently tracked
2214 Windsor Ave
CurrentAPN 5827-008-072
Size
41,382 sqft
Value
$2,423,713
1625 Braeburn Rd
CurrentAPN 5846-013-032
Size
36,590.4 sqft
Value
$2,088,000
1375 E Mendocino St
CurrentAPN 5846-015-028
Size
35,283.6 sqft
Value
$2,067,732
2439 Lincoln Ave
CurrentAPN 5828-027-024
Size
17,859.6 sqft
Value
$1,981,942
1661 E Mendocino St
CurrentAPN 5846-017-034
Size
29,620.8 sqft
Value
$1,902,300
1561 Gaywood Dr
CurrentAPN 5844-026-028
Size
40,075.2 sqft
Value
$1,856,400
Altadena Land at a Glance
Price Range
$9 — $2,423,713
Based on county assessed values
Average Lot Size
0.28 acres
12,197 square feet
Frequently Asked Questions
How much land for sale is in Altadena?
There are currently 5,337 land properties tracked in Altadena, Los Angeles County. Assessed values range from $9 to $2,423,713, with an average assessed value of $307,300.
What is the average lot size in Altadena?
The average lot size in Altadena is 0.28 acres. LandGrab lets you filter parcels by size, so you can find lots ranging from small residential infill to large acreage suitable for farming, solar projects, or off-grid living.
How do I buy land in Altadena?
Start by searching LandGrab's database of 5,337 properties in Altadena. Each property page includes the APN, assessed value, lot size, and links to the LA County Assessor. You can then contact the property owner or check if the land is available through county tax sales. Always conduct your own due diligence before purchasing.
Is LandGrab's Altadena data free?
Yes, all property data on LandGrab is completely free. Our data comes from the LA County Assessor's open data portal and other public government sources. We provide elevation, flood zone, fire hazard, and soil data for every property.
Ready to Find Land in Altadena?
Search all 5,337 properties with advanced filters for size, price, zoning, and tax status.