ADU Builders El Cajon

The El Cajon ADU Guide

El Cajon, CA, USA

You’ve found the ultimate resource for building an accessory dwelling unit in El Cajon, California. Whether you’re a homeowner looking to maximize flexibility for family or an investor planning to add units, our comprehensive guide is here to assist you every step of the way. Read on for more on what you can build in El Cajon, rent rates, and to see completed & active projects we are building in El Cajon. You can also access detailed ADU cost & floor plan information, plus check out homeowner stories.


What you can build

Maximum size: 1,200 square feet

Side/rear setbacks: 4 feet

Two story: Yes

Permitting timeline

Standard: 5-6 months

Coastal: N/A

Our ADU experience in El Cajon

El Cajon just updated their municipal code to comply with the new state laws, and our summary below assumes those changes in effect. El Cajon allows for digital submissions with a clear tracking system. Turnaround times at the city are moderate.

El Cajon ADU Regulations & Permitting Requirements

Want to learn more about what kind of ADU you can build in El Cajon? Check out our in-depth resource guide El Cajon Regulations & Permitting Requirements outlining the ADU building code requirements. We also include what we have learned about how the city will interpret code based on actually designing & building in the city. You can also set up a consult if you want our advice on what you can build.
El Cajon ADU Regulations

How much will an ADU rent for in El Cajon?

Below are median rental prices by zip code and bedroom count. Be sure to run comps for your specific area or check with a realtor.

92020El CajonGrossmont197526503350

Source: Rentometer March 2024

Zip Codes: 92019, 92020, 92021, 92022, 92119

Neighborhoods: Fletcher Hills, Cajon Heights, Rolando Village, Granite Hills

ADU Builders El Cajon

Full Accountability. ADU Expertise. Proven Results.

Our own team is responsible for delivering on our promises, from the first time you contact us to the time we hand you the keys to your new ADU home.

As experienced ADU builders, we will anticipate the pitfalls that less seasoned or less integrated teams will miss. And the volume of ADU jobs we handle means we have gained an incredible amount of expertise that we are excited to bring to your project.

We’re 100% focused on being the best ADU builders in El Cajon.