Building Permits in Altadena, CA

Track construction activity, new developments, and building permit filings in Altadena. Updated daily.Data current through Sep 7, 2026

15,057
Total Permits
827
Last 30 Days
$3.1B
Total Construction Value
$358.9K
Avg Project Cost

Quick Insights

  • •Average project cost is $358.9K
  • •Other permits make up 61% of all filings

Permit Status Pipeline

50%
21%
10%
10%
9%
issued7,509
submitted3,194
expired1,520
approved1,487
completed1,347

Permit Types

Other
9,144
$1.9B
Electrical
2,402
$379M
Plumbing
1,206
$329.9M
Mechanical
1,151
$311.6M
Demolition
852
$150.6M
Grading
116
$655K
Pool
104
$4.4M
Solar
82
$3.1M

Cost Distribution

$0 - $50K
1,505
$50K - $250K
2,106
$250K - $1M
4,620
$1M - $5M
320
$5M+
6

Monthly Activity

2,158
Oct
1,628
Nov
1,639
Dec
1,468
Jan
1,249
Feb
1,248
Mar
1,265
Apr
967
May
1,035
Jun
1,122
Jul
1,039
Aug
239
Sep
02,158

Recent Permits

TypeAddressCost
Electrical500 E Loma Alta Drive—
Electrical946 Beverly Way$525K
Plumbing2798 Glen Avenue—
Other712 E Calaveras Street—
Electrical2985 Emerson Way$457K
Other2508 Page Drive—
Other461 W Mendocino Street—
Mechanical555 E Mariposa Street—
Other1142 Boston Street—
Other2985 Emerson Way$457K

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