Build backyard homes with the premier ADU Contractor in Pasadena.
As a dedicated ADU contractor in Pasadena, we build custom backyard units and garage conversions. We handle design, permits, and construction under one contract.
About Our Team
Expert ADU Contractor in Pasadena
If you want to build an accessory dwelling unit, partnering with a licensed ADU contractor in Pasadena ensures your project meets all local zoning guidelines from day one. Pasadena offers excellent lot and zoning conditions across the San Gabriel Valley, with large rear yard spaces and detached garages that are prime candidates for conversion. Our team manages your entire project under a single contract, including architectural plans, local permits, and complete construction.
Many Pasadena homes, particularly Craftsman bungalows and post-war ranches on 7,000 to 15,000 square foot lots, have significant untapped space. Homeowners looking to add value or secure rental income can hire a dedicated Adu builder in Pasadena to build a custom detached cottage. Our in-house team oversees the entire Adu contraction in Pasadena, navigating city plan checks and historic district reviews to ensure a seamless build.
Learn About Our Team
What We Do
ADU Services from a Los Angeles Design-Build Team
From feasibility through final inspection, one ADU builder handles your full scope so timelines and costs stay clear.
Plan your project with dedicated ADU builders Los Angeles homeowners trust for faster approvals, buildability, and rental value.
ADU Plans & Design
Our team acts as the expert ADU contractor Los Angeles cities work with daily, handling all submissions and correction responses.
ADU Permits & Approvals
Build ADU space with one accountable team managing construction quality, schedule, and trade coordination from start to final inspection.
Detached ADU Construction
Your Dedicated ADU Contractor in Pasadena
We are not a generalist builder that occasionally takes on backyard units. As a dedicated ADU contractor in Pasadena, our crews construct secondary units full-time. This focus guarantees consistent craftsmanship, predictable timelines, and a single point of contact from first concept to final inspection.
- Dedicated project manager assigned at contract signing
- Weekly written progress updates throughout the build
- Self-performed core trades, with no hand-offs to unknown crews
- All work inspected by the city at every required phase
- Certificate of occupancy obtained before project closeout
- 1-year workmanship warranty on all completed construction
Build Process
Our Process as Your ADU Contractor in Pasadena
From site prep to the final details, we manage every stage of your detached ADU construction under a single contract.
Site Prep
We grade the site, dig utility trenches, run primary sewer and electrical lines, and pour the concrete foundation.
Framing & Envelope
We frame the walls and roof structure, install energy-efficient windows, and apply weatherproofing and roofing.
Rough-Ins
Our in-house trades install plumbing lines, electrical wiring, and the high-efficiency HVAC system.
Finishes
We insulate, install drywall, paint, fit cabinetry, lay flooring, mount fixtures, and complete the final municipal inspection.
ADU Permitting in Pasadena
What Pasadena homeowners need to know before starting an ADU project.
City of Pasadena Planning & Development Department
Historic Overlay & Design Review Districts
Garage Conversions
Permit Timeline
ADUs Starting From $150,000
Pasadena ADU costs are competitive with the broader San Gabriel Valley market. Garage conversions and JADUs offer the most cost-effective entry points for homeowners. All-inclusive of design, engineering, permitting, and full construction.
- Design, architecture and engineering included
- Permitting and city approval management included
- Full construction and site work included
- Final inspection and certificate of occupancy included
* All-inclusive pricing. Final cost depends on scope and site conditions.
ADU Styles & Models Built in Pasadena
Explore our most requested detached and conversion floor plans, engineered for California Title 24 compliance and maximum rental yield.
Modern Detached Studio ADU
High-efficiency detached studio with full kitchen, walk-in shower, and private patio access, optimized for Pasadena lots.
One-Bedroom Backyard Suite
Spacious one-bedroom with separate living room, in-unit laundry, and private exterior entrance tailored for Pasadena.
Two-Bedroom Family ADU
Dual-suite architectural ADU ideal for multigenerational families or premium long-term rental income in Pasadena.
Get a Free Estimate for Your Pasadena Property
We will assess your property, review your Pasadena zoning, and provide a detailed cost and timeline estimate, at no charge, with no obligation.
- Pasadena-specific feasibility review for your lot
- Realistic all-inclusive cost range for your ADU type
- Timeline from design through certificate of occupancy
- Response within 1 business day
Also serving nearby
Request Your Free Estimate
We will be in touch within 1 business day.
Common Questions
ADU Questions for Pasadena Homeowners
Can I build an ADU in Pasadena's historic districts?
Is a garage conversion a good ADU option in Pasadena?
How long does ADU permitting take in Pasadena?
What rental income can I expect from a Pasadena ADU?
Do I need to add parking when building an ADU in Pasadena?
What is the maximum size allowed for an ADU in Pasadena?
How do Pasadena setback requirements affect where I can build?
Can I build both an ADU and a JADU on my Pasadena property?
Does Pasadena Water and Power require separate utility meters for an ADU?
Are there school impact fees for ADUs in Pasadena?
Need help planning your ADU project?
Talk with an ADU specialistWhy ADU Build LA
ADU Expertise You Can Count On
We have built ADUs across Pasadena and the surrounding area, navigating local zoning, permit processes, and site conditions that generalist contractors do not know.
Pasadena-Specific ADU Services
Detailed local guides covering permits, pricing, and timelines specific to Pasadena.
ADU Construction in Pasadena - Built Right the First Time
Full-service ADU construction in Pasadena. Detached ADUs, garage conversions, and JADUs - including historic overlay areas. Fixed-price contracts. Free estimate.
Pasadena Garage Conversion: Historic Districts, Design Review & Permit Process
Convert your Pasadena garage into a permitted ADU. Historic overlay districts, Design Commission review, Pasadena permit process, and costs from $80K. Free assessment.
ADU Projects in Pasadena
Real completed projects from our team in Pasadena, see the challenge, solution, and results.
Planning an ADU in Pasadena?
Design your ADU in our interactive configurator, choose type, size, style, and finishes. Get a matching floor plan and budget estimate before you talk to anyone.
Build Your ADU in Pasadena
Join over 200 Los Angeles homeowners who have added rental income and lasting property value with an ADU from ADU Build LA. Your free estimate is the first step.
Learn about our process as a full-service ADU design-build company serving all of Los Angeles County.