Building Permits in Walnut, CA

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

291
Total Permits
23
Last 30 Days
$40.4M
Total Construction Value
$486.6K
Avg Project Cost

Quick Insights

  • •Average project cost is $486.6K
  • •Other permits make up 64% of all filings

Permit Status Pipeline

29%
28%
20%
13%
10%
submitted84
issued82
completed58
expired37
approved30

Permit Types

Other
186
$31.6M
Electrical
48
$3.3M
Plumbing
19
$3M
Demolition
12
$227.5K
Mechanical
12
$1.9M
Solar
7
$328.7K
Grading
6
$31K
Pool
1
$10K

Cost Distribution

$0 - $50K
33
$50K - $250K
37
$250K - $1M
3
$1M - $5M
8
$5M+
2

Monthly Activity

2
Oct
39
Nov
14
Dec
27
Jan
21
Feb
33
Mar
12
Apr
29
May
27
Jun
14
Jul
13
Aug
18
Sep
21
Oct
039

Recent Permits

TypeAddressCost
Other20260 Evening Breeze Drive—
Other20130 Evening Breeze Drive$5K
Other20259 Lake Canyon Drive—
Other20130 Evening Breeze Drive$2.5K
Other1632 Chapel Hill Drive—
Other20415 Starshine Road—
Other20415 Starshine Road—
Demolition20576 Missionary Ridge Road$0
Other20166 Evening Breeze Drive$15K
Other1170 Fairway Drive$12M

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