How long does it take to build an ADU in San Diego?

Most San Diego ADU projects take 6–12 months from design to move-in. The timeline depends on the ADU type, permitting complexity, and site conditions. AllCare provides a detailed project schedule before construction begins.

San Diego ADU Builder — Design, Permit & Build, All in One Team

AllCare handles every phase of your ADU project in-house — from feasibility and architectural design through permit approval and construction. One accountable team, start to finish.

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300+ ADUs Built 35+ Years Experience 4.9★ Google Rated CA License B #564360

How does AllCare design, permit, and build ADUs in San Diego?

AllCare handles every phase in-house — from initial feasibility and architectural design through permit approval and construction. We assign one project manager who stays with your project from the first call to final walkthrough. Most San Diego ADU projects take 6–12 months from design to move-in.

ADU Options

Types of ADUs AllCare Builds

Every property is different. We build all types of ADUs and help you choose the right option for your property and goals.

Detached ADU

A standalone structure separate from your main home — the most flexible option for rental income or independent family living.

Attached ADU

An addition connected to your existing home — ideal for maximizing space while sharing walls and utilities.

Garage Conversion ADU

Convert your existing garage into a fully permitted living space — typically the most cost-effective ADU option.

Junior ADU (JADU)

A smaller unit (up to 500 sq ft) carved from your existing home. Streamlined permitting requirements under California law.

Finished ADU in San Diego backyard by AllCare Design/Build

ADU Specialists Since 2002

Why Build an ADU

Turn Your Property Into a Performing Asset

California's ADU laws make now the best time in decades to add value to your San Diego property. AllCare handles everything — from feasibility to move-in day.

Generate $1,500–$3,000+/month in rental income

Increase property value by $100K–$300K

House aging parents or adult children on your property

Full permit management — we know San Diego's ADU process cold

Fixed-price proposal before any commitment required

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Our Process

The AllCare One-Team Build System

Six steps. One team. Zero surprises. Here's exactly how your ADU project runs from start to finish.

Clarify

Discovery & Feasibility

We review your property, zoning, and goals to determine the best ADU option before any design work begins.

Design

Plans & Renderings

Our in-house design team creates architectural plans and 3D renderings matched to your vision and property.

Permit

Full Permit Management

We manage all permit applications, plan check responses, and inspections with San Diego County — you don't touch it.

Price

Fixed-Price Proposal

You receive a written scope, timeline, and fixed-price proposal before any commitment is required.

Build

Expert Construction

Our own crew builds your ADU with consistent quality. A dedicated PM keeps you updated at every milestone.

Walkthrough

Final Inspection

We walk every inch of the ADU with you before close-out to make sure everything is exactly right.

ADU Questions Answered

ADU FAQ — San Diego

Yes. Most San Diego garages can be converted to ADUs under California's streamlined ADU laws. AllCare assesses your property, handles design and permits, and manages construction. Garage conversions are often the most cost-effective ADU type.

ADU construction in San Diego typically ranges from $150,000–$350,000+ depending on size, type (attached, detached, or garage conversion), and finish level. Garage conversions tend to be on the lower end. We provide a detailed written estimate after your free Opportunity Audit.

Most ADU projects take 6–12 months from design to move-in. Permitting timelines vary by jurisdiction and project type. AllCare provides a detailed project schedule before construction begins and manages every permit step in-house.

Yes. All ADUs in San Diego County require building permits. AllCare manages the entire permitting process — architectural plans, structural engineering, plan check responses, and all required inspections. You don't have to deal with the city at all.