ADU Construction in Palo Alto, CA

Looking to build an ADU (Accessory Dwelling Unit) in Palo Alto? Quartz Construction is the Bay Area’s premier ADU contractor, handling everything from ADU design and permits to construction and final inspection. We build detached backyard ADUs, garage conversions, attached ADUs, and Junior ADUs (JADUs) for Palo Alto homeowners.

ADU Construction Services in Palo Alto, CA

• Detached Backyard ADU — New standalone unit in your backyard (up to 1,200 sq ft)
• Garage Conversion ADU — Convert your existing garage into a livable unit
• Attached ADU — Addition attached to your existing home
• Junior ADU (JADU) — Convert a room within your home (up to 500 sq ft)
• ADU Design & 3D Rendering — Custom ADU floor plans and photorealistic visuals
• ADU Permitting — We manage all permits with the City of Palo Alto
• Utility Connections — Water, sewer, electrical, and gas hookups
• ADU Landscaping — Pathway, fencing, and privacy landscaping

How Much Does an ADU Cost in Palo Alto?

ADU construction in Palo Alto typically costs $200,000–$450,000. A garage conversion ADU runs $80,000–$150,000. A new detached ADU costs $200,000–$350,000. ADU costs depend on size, design, site conditions, and utility connections. Many Palo Alto homeowners finance their ADU through home equity loans or California’s ADU Grant Program (up to $40,000 for qualifying owners).

ADU Rental Income in Palo Alto

ADUs in Palo Alto and the Bay Area generate $2,000–$3,500+/month in rental income. At $2,500/month, an ADU pays for itself in 6–8 years while adding $250,000–$450,000 in property value. ADUs are one of the highest-ROI investments available to Bay Area homeowners.

ADU FAQ — Palo Alto, CA

Can I build an ADU on my Palo Alto property?
California state law (AB 68) allows ADUs on virtually all single-family lots in Palo Alto and throughout the Bay Area. Quartz Construction provides a free ADU feasibility analysis for your specific property.

How long does ADU permitting take in Palo Alto?
ADU permits in Bay Area cities typically take 2–4 months for standard designs. Pre-approved ADU plans can reduce this to 1–2 months. We manage the entire permit process.

What setback rules apply to ADUs in Palo Alto?
California law requires 4-foot side and rear setbacks for detached ADUs. Front setbacks vary by city. Quartz Construction’s ADU specialists know Palo Alto’s specific requirements and design your ADU to comply.

Can I Airbnb my ADU in Palo Alto?
Short-term rental regulations vary by city. Many Bay Area cities allow ADU short-term rentals with a permit. Long-term rentals are unrestricted. Quartz Construction can advise on current regulations for your specific city.

Get a Free ADU Estimate in Palo Alto

Ready to build an ADU in Palo Alto? Call Quartz Construction at (650) 749-7436 or request a free ADU feasibility analysis. We serve Palo Alto and all Bay Area cities with licensed ADU construction services. CSLB #1003436 | BBB A+ | 4.9⭐