Custom Attached & Detached ADUs Built for Your Lifestyle
- 3500+ Projects
- Fully Licensed & Insured
From Zoning to Final Walkthrough — We Handle It All Under One Contract
No handoffs. No confusion. Just a streamlined, high-touch ADU delivery process that keeps you in control and on budget.
Project Management & Inspections
Custom Design & Plans
Permit Approval & Compliance
Full-Service Construction
The Urbatect Way
Consultation & Site Visit
We begin by assessing your property to determine if an attached or detached unit best fits your setbacks and local zoning laws. Our team evaluates your existing structure or backyard space to provide a clear roadmap for feasibility and budgeting.
ADU Design & Development
Our designers create custom plans tailored to your specific goals, whether it’s a 1,200 sq. ft. detached home or a sleek attached suite. We can also provide 3D renderings and permit-ready blueprints that balance modern functionality with your home’s unique style.
ADU Permits
We manage the entire process with your local building department. From design to compliance to construction, our permit technicians handle the paperwork and corrections to get your project approved faster than industry standards.
ADU Construction
With 15+ years of California expertise, our licensed crew handles everything from foundation to final finishes. Whether we are breaking ground for a detached unit or retrofitting an attached space, we ensure superior craftsmanship and timely completion.
Why Homeowners in California Choose Urbatect for ADU Projects
- 1. One-stop Solution with Expert Project Management, Design, Permit & Construction Team, so you avoid delays and communication breakdowns.
- 2. Custom Design Expertise so you can Maximize Your Lot. Our designers know how to work within tight city lots, setback rules, and zoning codes to help you get the most space and comfort possible.
- 3. Flexible And Customizable Design-build Solutions with Allowances to Choose Your Own Finishes.
- 4. Budget Transparency & Cost Control with Fixed Pricing That Protects Against Labor and Material Cost Increases For 16 Months.
- 5. 25–30% Faster Project Completion Without Compromising Quality.
- 6. Dedicated Permit Technician & 30% Faster Permit Expediting. California’s permitting process is complex. Our dedicated permit technician accelerates approvals and keeps your project moving.
- 7. Advanced technology & 3D visualization.
Real ADU Projects From Garage Conversions to Detached Units
Addition to a Senior Living Facility
Lynnwood
- Size: 120 units
- No of stories: 3
- Special Features: Addition to a ground up senior living facility with 120 units & cottage homes
Albany ADU
Albany, CA
- Size: 800 sq ft
- No of stories: 2
- Special features: ADU with ~200 sq ft patio with wood trellis
Amburose Custom Home
Fremont
- Size: 2,984 sq ft
- No. of stories: 2
- Special features: Grand Entry with Stone Accents
Arcilla ADU
San Diego
- Size: 375 sq. ft
- No of stories: 1
- Special features: Compact design and skylight
Camden ADU
Oakland
- Size: 222 sq. ft
- No of stories: 1
- Special features: Compact design & murphy bed
Castro Valley ADU & Office/Gym Space
Castro Valley, CA
- Size: 798 sq ft ADU + 639 sq ft attached office/gym space
- No of stories: 1
- Special features: Attached office/gym space & newly completed driveway
Custom Home​
Santa Rosa​
- Size: 3,512 sq ft
- No of stories: 2
- Special features: Modern farmhouse design
Flying Lady Winery
St. Helena
- Size: 40,305 Sq. ft.
- No of stories: 1
- Special Features: A 2 story residence accompanied by a winery building, featuring an outdoor tasting deck.
Gallegos ADU
Watsonville
- Size: 750 sq ft
- Number of stories : 1
- Special features: Exterior deck & front porch
Governor ADU
Harbor City
- Size: 704 sq ft
- No of stories: 1
- Special features: ADA Accessibility
Millbrook Residence
Santa Rosa
- Size: 3416 sq ft
- No. of stories: 2
- Special features: Modern farmhouse-style custom home
Milpitas ADU
Milpitas
- Size: 800 sq ft
- No of stories: 2
- Special Features: 2-story unit designed to maximize living space with private entry, open living, and full-home functionality.
Modern Custom Home
Santa Rosa
- Size: 4,444 sq ft
- No of stories: 2
- Special features: Symmetrical modern farmhouse with grand entry and high ceilings
Multi Family Development
Location: San Diego
- Size: 18 units
- No of stories: 4
- Special Features: Ground up 18 unit multifamily development
Paxton custom home
Santa Rosa
- Size: 2,683 sq ft
- No of stories: 2
- Special features: Modern 2-story home with pool, spa and stone facade
Perlita ADU
Los Angeles
- Size: 1,200 sq ft
- Number of stories : 2
- Special features: Roof deck
Phan ADU
San Leandro
- Size: 750 sq ft
- No of stories: 1
- Special features: Designed for flexibility
Salvator Apartments
Sacramento
- Size: 120 units
- No. of stories: 4
- Special Features: Developed comprehensive steel shop drawings for the ground-up, four-story apartment complex
Sawgrass Residence
Santa Rosa​
- Size: 3,100 sq ft
- No of stories: 1
- Special features: Vaulted beam ceilings & open layout
Shaff ADU
Aptos
- Size: 685 sq ft
- No of stories: 2
- Special features: 2 Car garage
Sierra Home
Sacramento
- Size: 4,084 sq ft
- No of stories: 1
- Special features: Mediterranean-inspired home with pool
Smiley custom home
Olympic Valley
- Size: 3,529 sq ft
- No of stories: 2
- Special features: Modern architecture with high ceilings
St. Leo’s Apartments
Redwood
- Size: 15 units
- No. of stories: 3
- Special Features: Ground-up construction, 3-story wood structure consisting of 15 units
Tynan Village Apartments
Salinas
- Size: 171 units
- No of stories: 4
- Stucco/construction work on the most recent project remodeling
Whittier ADU
Whittier
- Size: 700 sq ft
- No of stories: 1
- Special features: Custom built design
Build Ready ADU Plans
Perlita ADU Link
Detached ADUs: The Private Retreat
- Maximum Independence: Provides total privacy with no shared walls and independent utility options.
- Flexible Placement: Can be positioned in the backyard or as a detached garage conversion to optimize your yard’s layout.
- Property Equity: Standalone dwellings typically offer the highest increase in total property valuation.
Attached ADUs: The Seamless Extension
- Integrated Living: Ideal for multi-generational housing or a home office that stays connected to the main house.
- Cost Efficiency: Often more affordable by utilizing existing exterior walls and easier access to the main home’s utility lines.
- Architectural Unity: Designed to blend perfectly with your home's current aesthetic for a unified look.
Real Results in California
Permitting is often one of the biggest hurdles in ADU projects, but we’re here to simplify it. Here’s how:
Our experts are well-versed in navigating the ADU permit process in Oakland, including compliance with the latest city regulations. We work directly with local officials to make sure your plans are approved quickly and correctly, saving you time and avoiding costly delays.
What sets Urbatect Development apart is our integrated approach. With in-house design and construction teams, clear communication, and a commitment to quality, we deliver a smooth experience from concept to completion. We also take the time to understand your goals and budget to make sure your new ADU adds lasting value to your property.
If you’re ready to build in Oakland, trust the local experts in ADU design, permitting, and construction. Contact Urbatect Development today to work with a dedicated Oakland ADU contractor who can bring your vision to life efficiently, creatively, and with full compliance.
Build Smarter. Build Faster. Build with Urbatect.
Thousands of homeowners across California trust Urbatect to handle everything under one roof — and now, we’re helping San Jose homeowners unlock the full potential of their properties with ADUs that are as beautiful as they are functional.
Detached ADU, A Standalone Income Generator
A separate structure on your lot, fully self contained with its own entrance, kitchen, and utilities. Best for long term rental income, multi generational living, or maximum privacy.
Quick facts:
Typical size: 200 to 1,200 sqft
Rental income potential: 2,400 to 4,200 per month
Attached ADU, Add Living Space Without Losing Yard
Connected to your main home but with its own private entrance.
Quick facts:
Typical size: 500 to 1,000 sqft
Best for: Family use, guest suites, home offices
Garage Conversion, The Fastest Path to a New ADU
Convert your existing garage or build above it. The footprint already exists, which means faster permits, lower cost, and a quicker move in date.
Quick facts:
Typical size: 350 to 700 sqft
Best for: Junior ADUs, in laws, immediate rental income
Basement and In Law Unit Transformations
Convert an underused basement or existing in law area into a self contained, code compliant living space.
Quick facts:
Typical size: 400 to 900 sqft
Best for: Multi generational households, separate guest space, work from home
Real Homeowners. Real Projects. Real Results.
Our Awards and Recognition
What Sets Us Apart
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Ready to Build an ADU in California?
Start with a free consultation. We’ll provide:
- A project assessment, zoning & feasibility check, planning and layout of an ADU
- A personalized cost estimate & free site visit
- Guidance on timlines, permits and design possibilities