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ADU Market Data

ADUs in Mission Hills (91345)

337 ADU building permits have been issued in ZIP 91345 since 2020, from Los Angeles City permit records refreshed weekly. Here is what your neighbors actually built, and how long it took.

337

ADU building permits issued since 2020

71 / 266

new builds / conversions and additions

4 mo

median time from application to permit

1,112 sq ft

median new-build ADU size

$120,000

median declared valuation, new builds

Permits issued by year

2020
39
2021
45
2022
61
2023
63
2024
54
2025
54
2026
21

The current year shows permits issued so far, not a full-year total.

Thinking about joining them?

Start where your neighbors should have: find out what your own lot allows, then build a budget with rental return. Both free, both about 2 minutes.

Source: Los Angeles City Building & Safety permit records via the city's open data portal, refreshed weekly. Counts are building permits flagged as adding or changing an ADU (new construction, garage conversions, and additions) issued in ZIP 91345 from 2020 to present. Median time from application to permit covers the same permits. Valuations are the declared construction value on the permit, which typically runs below real-world project cost.