← All reportsLake Forest, CA · Monthly Report

August 2026 Building Permits

Official permit data from Lake Forest— updated Mon, Wed & Fri from the county permitting office.

Lake Forest, CA issued 140 building permits in August 2026, down 11% from the prior month. The most active zip code was 92630 with 98 permits. Residential Mechanical - Alteration was the top permit type, making up 34% of all permits issued.

Permits issued
140
vs. prior month
-11%
157 last month
Most active zip
92630
98 permits
Top permit type
Residential Mechanical - Alteration
34% of total

Permit activity by zip code

Top 10 zip codes by permit volume — August 2026

92630
98
92610
18
92679
11

Permits by type

August 2026 · Lake Forest, CA

Residential Mechanical - Alteration
47 (34%)
Residential Building - Remodel
20 (14%)
Residential Electrical - Remodel
20 (14%)
Commercial Building - Tenant Improvement
8 (6%)
Residential Building - Addition
7 (5%)
Residential Electrical - Alteration
7 (5%)
Residential Solar Permit (old version)
4 (3%)
Residential Building - Patio Cover
3 (2%)
Residential Building - Patio Cover (0ver 200 sq. ft.)
3 (2%)
Accessory Dwelling Unit - <NONE>
2 (1%)
Address Assignment - Single Address - Assignment
2 (1%)
Commercial Building - Reroof
2 (1%)
Residential Building - ADU
2 (1%)
Banner - Temporary Commercial Banner
1 (1%)
Commercial Building - Cell Site
1 (1%)
Commercial Building - Solar Panels
1 (1%)
Commercial Mechanical - Alteration
1 (1%)
Commercial Plumbing - Water Heater
1 (1%)
Fence/Wall - Fences over 8 feet
1 (1%)
Residential Building - Balcony
1 (1%)
Residential Building - Foundation
1 (1%)
Residential Building - Stucco Siding
1 (1%)
Residential Building - Windows
1 (1%)
Residential Mechanical - Air Conditioner
1 (1%)
Temporary Outdoor Promotion - <NONE>
1 (1%)
Ω Test Permit (VOID) - New
1 (1%)

Other months — Lake Forest

September 2026July 2026June 2026May 2026
View all counties →

Get alerted when new permits are filed in Lake Forest

Pick your zip codes and permit types. We'll email you every Monday, Wednesday, and Friday.

Start free