Oakland's Trusted ADU Builder. 3,500+ Projects Delivered. Free Custom Quote in 24 Hours.
Licensed design build firm serving every Oakland neighborhood. We handle feasibility, permits, design, and construction so you stay in control and on budget. Every quote request gets a personal response within 1 business day.
- 3,500+ ADU and Residential Projects Completed Across California
- Licensed General Contractor, Fully Insured and Bonded
- 30 Percent Faster Permit Approvals in Oakland
Get Your Free Oakland ADU Quote
No obligation. Personal response in under 1 business day.
Get Your Free Oakland ADU Quote
No obligation. Personal response in under 1 business day.
From Zoning to Final Walkthrough We Handle It All Under One Contract
Most ADU projects fail because homeowners juggle three or four separate vendors. We are your single point of contact from the first site visit to the day you hand over keys. One contract, one team, one accountable partner. You stay in control and on budget every step of the way.
Project Management and Inspections
One project manager from day one. Streamlined communication & on time delivery.
Custom Design and Plans
In house designers deliver high quality designs tailored to your lot, your budget, and your lifestyle.
Permit Approval and Compliance
Dedicated permit technician, 30 percent faster Oakland approvals.
Full Service Construction
Licensed crews, fixed price contract, design, permits and construction completed on time.
6 Reasons Oakland Homeowners Trust Urbatect With Their ADU
- One Contract, One Team Design, permits, and construction handled in house. No miscommunication between vendors.
- Custom Design For Your Lot Our in-house designers maximize every square foot within Oakland's setback and zoning rules.
- Fixed Price Transparency Locked pricing protects you from labor and material cost increases for 16 months.
- 30 Percent Faster Builds Optimized workflows finish projects without cutting corners on quality.
- Dedicated Permit Technician 30 percent faster Oakland permit approvals through end to end permit coordination.
- 3D Visualization Before Build Walk through your finished ADU in 3D before a single shovel hits the ground
Proudly Building ADUs Across Every Oakland Neighborhood
Whether you are in the hills or near the bay, our team knows the local zoning, permit nuances, and construction nuances specific to your site.
Our Completed Projects
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
Expedite design and save months of design time. Choose a build readypre engineered, permit ready plan and start building sooner.
Your Finished ADU Could Look Like This
3,500+ California families have trusted Urbatect with their ADU
Real Numbers From Real Oakland Projects
3500+
Projects Delivered Across California
25 to 30%
Faster Permit Approvals in Oakland
4.9 / 5
Average Google Review Rating
We design, permit, and build your Oakland ADU under one fixed price contract. See what is possible on your lot.
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
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
Rated 4.9 Stars by 100+ California Homeowners on Google
Below are 6 of our most recent verified reviews. Click through to read all of them on Google.
How We Build ADUs — The Urbatect Way
Independently Recognized as a Top California Design Build Firm
What Makes Urbatect Different
16 Month Price Lock
Your fixed price is protected against labor and material increases.
Permit Technician On Staff
Dedicated specialist with deep knowledge about Oakland jurisdiction and applicable regulations
Weekly Progress Updates
Photos and updates sent directly to your phone every Friday.
10 years’ Structural Warranty and 1 year fit and finish warranty
Workmanship warranty covers any issues post move in.
Find The Right ADU For Your Oakland Property
From garage conversions to fully detached units, we help Oakland homeowners build functional, high-quality ADUs tailored to their space.
Garage Conversion
Typical size: 350–700 sqft
Includes :
- Design
- permits
- full build
Best for: Fastest path to rental income
Attached ADU
Typical size: 500–1,000 sqft
Includes :
- Design
- permits
- full build
Best for: Family use or premium guest suite
Detached ADU
Typical size: 600–1,200 sqft
Includes :
- Design
- permits
- full build
Best for: Maximum rental income or full privacy
All prices include design, permits, construction, and standard finishes. We provide a fixed-price contract before construction begins.
Frequently Asked Questions About Building an Oakland ADU
1. How long does it take to build an ADU in Oakland?
Most Oakland ADUs are completed in 10-12 months from signed contract to keys. Garage conversions move faster (8 to 10 months including time taken for design and permitting). Detached new builds take longer (10 to 12 months). The design and permitting phase is are typically 15 to 20 weeks of that.
2. How much does an Oakland ADU cost?
A2: The cost of an Oakland ADU depends on the size, layout, site conditions, utility requirements, and whether you are building a detached ADU, garage conversion, or attached unit. Rather than giving a generic estimate that may not reflect your property, our team reviews your goals, lot conditions, and scope to help you understand the likely budget range and all in costs before you move forward.
3. Do I need to live in the main home to build an ADU?
Usually, no. For most standard ADUs in Oakland, you do not need to live in the main home to build or rent out the unit. Rules are different for Junior ADUs where owner occupancy is required and certain property-specific situations, so our team can help you confirm what applies to your property.
4. Can I rent out my ADU?
Yes. Long term rentals (30+ days) are allowed citywide in Oakland. Short term rentals are subject to city specific rules. Most of our clients see $2,000 to $4,000 per month in rental income depending on size and neighborhood.
5.What is included in your quote?
Our quote covers design, permit documentation, full permit processing, project management, interior design support, all construction labor, standard finishes, and connection to existing utilities. We will list out exactly what is included and what is not before you sign anything.
6. Do I need a special lot to qualify for an ADU?
Most single family lots in Oakland qualify. State law allows at least one ADU and one Junior ADU on most residential parcels. Setback requirements are 4 feet from side and rear lot lines. We confirm feasibility on your free site visit.
7. Can you finance the project?
We do not directly lend, but we work with several Bay Area lenders that specialize in ADU loans, HELOC, and renovation refinances. We can introduce you to lenders during the consultation.
8. What if I am not ready to build right now?
That is completely fine. Many of our clients start with a free feasibility quote 6 to 12 months before they actually build. We will hold your design and pricing for 90 days while you make a decision.
Still Have Questions? Get a Free 30 Minute Consultation