# ADUs costs by city | Costolio

URL: https://costolio.com/home/adu/
Updated: 2026-11-02

# ADUs costs

ADUs costs by city from public permit records. Accessory dwelling units and garage conversions.

## ADUs cost pages

[→ADU (accessory dwelling unit) in Los AngelesMedian $65,00033285 permits · 2022-01-01 to 2026-10-31Building and Safety - Building Permits Issued from 2020 to Present (N) · checked on: 2026-11-02](https://costolio.com/home/adu-construction-cost/los-angeles/)[→ADU (accessory dwelling unit) in RichmondMedian $97,000191 permits · 2022-01-05 to 2025-04-22PermitTrak · checked on: 2026-11-02](https://costolio.com/home/adu-construction-cost/richmond/)[→ADU (accessory dwelling unit) in San DiegoMedian $118,6205585 permits · 2022-01-03 to 2026-10-30Development Permits - approvals issued (set 1) · checked on: 2026-11-02](https://costolio.com/home/adu-construction-cost/san-diego/)

## Projects in this category

- [ADU (accessory dwelling unit)](https://costolio.com/home/adu-construction-cost/): Building a new accessory dwelling unit, or converting a garage or other space into one.

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