Alameda Tiny Homes is committed to doing one thing: Building turnkey granny flats, backyard homes and accessory dwelling units (ADUs) exclusively in the city of Alameda, California. By keeping our business local, we deliver heirloom quality ADUs that complement the unique character of your beautiful home efficiently, with a predictable cost, timeline, and process. You’ll know how your project will go before we even start.
We build your new backyard home onsite from the ground up, typically in under 90 days. Our pre-approved ADU layouts, customizable designs and comprehensive ADU permitting and construction services leverage our experience working exclusively in the City of Alameda. If you are converting an existing garage to a detached ADU, we can even help with demolition permits, including a certificate of approval which is often needed for older Alameda properties. We use locally sourced materials, employ local staff, and our work is inspected by your local building department. This means you get your project done quickly and painlessly, without guesswork on timing, process or pricing.
It’s easier than you think to scope your project. We’ll consult with you to understand your goals for your Alameda Accessory Dwelling Unit (ADU), assess the site, and discuss your options. You’ll have a representation of the proposed design, layout with time and costs estimates. We will work with you to customize it from there.
Alameda ADU Builder
- Add a backyard ADU for guests, as an office or gym
- Convert your old garage or shed to a new ADU or garage apartment
- Add a potential source of cash flow
- Provide a private, nearby, home to care for an aging or ailing loved one
- Increase the value of your property
We Design, Permit, and Build ADUs in Alameda, CA.
Landscaping
Our landscape design partners and comprehensive implementation services mean that your entire backyard can be move-in ready when your Alameda ADU project is complete.
Energy Efficient Backyard Homes
We’re an EPA Energy Star Partner committed to the EPA Indoor Air Plus design standards. We also incorporate reach-code improvements to exceed California efficiency and indoor air quality standards. You get a tiny backyard home with some of the healthiest and most energy efficient features available.
FAQs About Accessory Dwelling Unit (ADU) in Alameda, California
How long does it take to build an ADU in Alameda?
Construction typically takes under 90 days from ground-breaking to completion. The full project timeline, including site assessment, design customization, and City of Alameda permit approvals, generally spans 4 to 6 months depending on the design complexity and site conditions.
Do I need a permit for an ADU in Alameda, CA?
Yes, all Accessory Dwelling Units (ADUs) and garage conversions in Alameda require building permits. We handle the entire permitting process for you, including securing demolition permits or Certificates of Approval if required for historic or older Alameda properties.
What is the cost to build an ADU in Alameda?
ADU costs vary based on unit size, layout, site preparation, and utility connections. Most projects in Alameda are in the $200K or more range. Because we work exclusively in Alameda with pre-approved layouts and local supply chains, we provide predictable pricing and detailed cost estimates upfront before construction begins.
Can I convert my existing garage into an ADU in Alameda?
Yes. Converting an existing garage or detached structure into an ADU is a popular option. We assess your garage structure, handle necessary demolition or certificate of approval permits, and transform the space into a fully permitted living unit or garage apartment.
Can an ADU be built on historic properties in Alameda?
Yes, but properties with historic designations or older structures may require a Certificate of Approval or design review from the City of Alameda. We specialize in handling historic compliance so your new unit respects local architectural guidelines while speeding up approval times.
Are there city impact fees for building an ADU in Alameda?
ADUs under 750 square feet are 100% exempt from local development impact fees in California. For units over 750 sq. ft., impact fees are calculated proportionally relative to the size of the primary residence
Do I have to provide off-street parking for an ADU in Alameda?
In almost all cases in Alameda, no. Additional off-street parking is not required if your property is within a half-mile of public transit (which covers nearly all of Alameda), or if you are converting an existing garage or historic structure.
Do I need to live on the property to rent out an ADU in Alameda?
No. California state law (AB 976) permanently prohibits local jurisdictions like the City of Alameda from requiring owner-occupancy on standard ADUs. You can rent out both your main home and your ADU simultaneously. (Note: Junior ADUs (JADUs) under 500 sq ft within the main structure may still have owner-occupancy rules).