Oria Builders

ADU Construction in Santa Monica — Expand Your Home with Oria Builders

An ADU isn’t just an addition to your property—it’s an opportunity. Here in Santa Monica, where space is precious and property values are high, ADUs are a smart way to add living space, generate rental income, or create a private retreat for family. Whether you’re envisioning a sleek modern guesthouse or a cozy backyard studio, Oria Builders has the experience to bring your vision to life. With 10+ years of expertise and over 500 projects completed, we specialize in navigating Santa Monica’s unique permitting process and delivering ADUs that blend seamlessly with the character of your home. Ready to start your ADU journey? Let’s talk.

ADU Costs in Santa Monica

Project TypeEstimated CostDetails
Basic ADU$150,000 – $200,000Simple designs, smaller units (300–400 sq. ft.), standard finishes
Mid-Range ADU$200,000 – $300,000Larger units (400–600 sq. ft.), upgraded finishes, custom layouts
High-End/Luxury ADU$300,000 – $400,000+Premium finishes, architectural details, and high-end appliances

Project Timeline

Design & Planning

3-6 weeks

Construction

10-16 weeks

Our ADU Process

Step 1: Free Consultation

We’ll visit your property in Santa Monica to discuss your vision, evaluate the site, and provide a ballpark estimate.

Step 2: Design & Planning

Our team will create custom plans, finalize layouts, and prepare all documents needed for city approval.

Step 3: Permits & Approvals

We handle the permitting process, ensuring your ADU complies with Santa Monica’s zoning and building codes.

Step 4: Construction

Our licensed crew builds your ADU with precision, keeping you updated at every step.

Step 5: Final Walkthrough

We conduct a detailed walkthrough to ensure everything meets your expectations and city requirements.

Why Choose Oria Builders for ADU in Santa Monica?

ADU in Santa Monica

Santa Monica homeowners invest in ADUs for many reasons: to provide housing for aging parents, generate rental income, or simply maximize their property’s potential. With its mix of Craftsman bungalows, mid-century homes, and modern builds, Santa Monica offers a diverse architectural landscape. ADUs are a natural fit, adding value while blending seamlessly with the city’s character. In neighborhoods like Sunset Park and North of Montana, ADUs have become a popular way to enhance both lifestyle and property value.

Local Building Info — Santa Monica

Building an ADU in Santa Monica requires careful attention to local zoning laws and building codes. For example, Santa Monica allows ADUs on lots zoned for single-family or multi-family use, but there are specific rules about setbacks, height limits, and parking requirements. Additionally, the city emphasizes sustainable construction practices, which we incorporate into every project. Our team is well-versed in navigating the Santa Monica permitting process, which can take 4–8 weeks for approval.

Neighborhoods We Serve in Santa Monica

Ocean Park • Sunset Park • North of Montana • Pico District • Wilshire-Montana • Mid-City

Frequently Asked Questions

How much does adu cost in Santa Monica?

ADU costs in Santa Monica range from $150,000 to $400,000, depending on size, finishes, and site conditions. Factors like utility upgrades and custom designs can also affect pricing.

How long does adu take in Santa Monica?

From design to completion, an ADU project in Santa Monica typically takes 4–6 months. This includes 3–6 weeks for design, 4–8 weeks for permitting, and 10–16 weeks for construction.

Do I need a permit for adu in Santa Monica?

Yes, an ADU in Santa Monica requires permits for zoning, building, and utilities. Our team handles the entire permitting process for you.

Why choose Oria Builders for adu in Santa Monica?

With over 10 years of experience, 500+ completed projects, and a CSLB license (#1029255), we’re trusted experts in ADU construction. Our 5-star reviews speak for themselves.

What does adu include?

Our ADU projects include site prep, custom design, foundation work, framing, utilities, interior finishes, and final inspections.

Can I live in my home during adu?

Yes, in most cases you can stay in your home during ADU construction. We work to minimize disruption and keep the site safe and clean.

What is the ROI of adu in Santa Monica?

ADUs in Santa Monica can increase property value by 20–30% and generate rental income of $2,000–$4,000 per month, depending on location and size.

How do I get started with adu in Santa Monica?

Start with a free consultation. We’ll evaluate your property, discuss your goals, and provide a clear roadmap for your ADU project.

Related Services

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