Building Permits in Walnut, CA

Track construction activity, new developments, and building permit filings in Walnut. Updated daily.Data current through Sep 4, 2026

257
Total Permits
16
Last 30 Days
$16M
Total Construction Value
$222.1K
Avg Project Cost

Quick Insights

  • •Average project cost is $222.1K
  • •Other permits make up 63% of all filings

Permit Status Pipeline

30%
30%
17%
12%
11%
issued77
submitted77
completed44
expired31
approved28

Permit Types

Other
161
$7.2M
Electrical
43
$3.3M
Plumbing
18
$3M
Mechanical
11
$1.9M
Demolition
11
$227.5K
Solar
6
$326.7K
Grading
6
$31K
Pool
1
$10K

Cost Distribution

$0 - $50K
27
$50K - $250K
34
$250K - $1M
3
$1M - $5M
8

Monthly Activity

23
Oct
39
Nov
14
Dec
27
Jan
21
Feb
32
Mar
12
Apr
29
May
27
Jun
14
Jul
13
Aug
6
Sep
039

Recent Permits

TypeAddressCost
Electrical1765 Starshine Road—
Grading20431 Lake Canyon Drive$10K
Other19936 Esquiline Avenue—
Other20903 Currier Road—
Other1170 Fairway Drive$74K
Other1569 Fairway Drive—
Other202 Old Ranch Road—
Electrical20220 Rhapsody Road$1.3M
Other1551 Walnut Leaf Drive$14.8K
Electrical20105 Prosa Court—

Monitor Walnut Permits

Get instant alerts when new building permits are filed near your addresses in Walnut, CA. Never miss a new development.

Start Monitoring — Free

Other Cities

Fort Worth, TX
498,372 permits
Columbus, OH
237,209 permits
Los Angeles, CA
212,815 permits
Cleveland, OH
196,680 permits
Toronto, ON
133,965 permits
San Antonio, TX
122,100 permits
San Francisco, CA
110,678 permits
Raleigh, NC
106,928 permits
Virginia Beach, VA
92,703 permits
Somerville, MA
91,656 permits
Charlotte, NC
91,649 permits
New York, NY
91,547 permits