Building Permits in Altadena, CA

Track construction activity, new developments, and building permit filings in Altadena. Updated daily.Data current through Oct 21, 2026

16,718
Total Permits
966
Last 30 Days
$3.3B
Total Construction Value
$359.2K
Avg Project Cost

Quick Insights

  • •Average project cost is $359.2K
  • •Other permits make up 61% of all filings

Permit Status Pipeline

50%
20%
10%
10%
10%
issued8,361
submitted3,416
expired1,714
approved1,615
completed1,612

Permit Types

Other
10,181
$2.1B
Electrical
2,674
$396.9M
Plumbing
1,307
$346.7M
Mechanical
1,240
$329M
Demolition
960
$145.8M
Grading
137
$655K
Pool
126
$5.4M
Solar
93
$3.4M

Cost Distribution

$0 - $50K
1,666
$50K - $250K
2,281
$250K - $1M
4,850
$1M - $5M
363
$5M+
7

Monthly Activity

377
Oct
1,628
Nov
1,639
Dec
1,468
Jan
1,252
Feb
1,255
Mar
1,276
Apr
979
May
1,042
Jun
1,126
Jul
1,042
Aug
1,096
Sep
757
Oct
01,639

Recent Permits

TypeAddressCost
Other2916 Casitas Avenue$3K
Other3848 Lilic Canyon Lane—
Other2820 Stonehill Drive$800K
Other993 E Poppyfields Drive—
Other171 E Las Flores Drive—
Other134 W Palm Street$150K
Mechanical124 W Palm Street$113K
Mechanical134 W Palm Street$150K
Mechanical124 W Palm Street$342K
Other765 Morada Place—

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