Custom Accessory Dwelling Units (ADUs) in Palo Alto
Maximize Your Property Value and Generate Passive Income with a Fully Custom, Architecturally Seamless Secondary Residence


The Palo Alto ADU Opportunity
Adding an Accessory Dwelling Unit (ADU)—frequently called an in-law suite, cottage, or backyard granny unit—is one of the most effective strategies for Palo Alto homeowners to offset high property taxes and capitalize on real estate equity.
A professionally constructed ADU provides an array of high-value uses for your property:
Position your asset as a luxury long-term rental in a high-demand tech corridor.
Create an independent, premium sanctuary for extended family, adult children, or aging parents.
Establish an expansive, private home office network, a detached fitness pavilion, or an elite guest cottage.
The Custom Advantage vs. Prefabricated Limitations
Many national ADU companies push restrictive, one-size-fits-all prefabricated boxes that rarely match the architectural character of historic or modern Palo Alto neighborhoods. Worse, hidden crane fees, site clearance costs, and utility hooks often make prefabs far more expensive than expected.
Sunrooms N More breaks this mold entirely. We engineer fully custom, site-built ADUs designed specifically for your property line, often at a lower total cost than generic factory prefabs.
Select from an array of pre-engineered, highly optimized floorplans ranging from 500 to 1,200 square feet, or work directly with our design team to construct a layout completely from scratch.
ou control every structural detail and finish. We match your primary home's existing roof pitches, exterior siding textures, paint palettes, custom cabinetry, and high-end flooring to ensure seamless architectural harmony.
Unlike depreciating manufactured structures, our stick-built, permanent foundation home additions add maximum appraisal equity directly to your Silicon Valley property.

Coordinating with separate architects, structural engineers, and independent subcontractors is a major logistical headache that routinely triggers building delays and budget overruns. When you partner with Sunrooms N More, you benefit from a streamlined, turnkey operation.
With over 23 years of specialized general contracting authority across the Bay Area, our in-house team handles 100% of the heavy lifting. We seamlessly manage Palo Alto’s local municipal planning guidelines, zoning setbacks, utility trenching, tree disclosure ordinances, and strict California Title 24 energy efficiency compliance mandates. From initial soil testing to final utility handoffs, we deliver a completely stress-free experience.
We built our reputation on an ironclad operational standard that sets us completely apart from other Northern California general builders: We only focus on one major structural project at a time.
Once our building crew breaks ground on your Palo Alto property, your home becomes our sole, exclusive priority. We do not leave your job site sitting idle to chase other contracts across the region. Our trained team remains on-site every single consecutive working day, keeping a clean, safe, and secure workspace, until the city building inspector signs off on your final certificate of occupancy.

Let's Get Started
Ready to transform your property with a custom-built accessory dwelling unit? Put our 23 years of hands-on structural construction authority to work for your home. Contact Sunrooms N More today to schedule your expert, no-obligation site feasibility consultation.
Hours: Monday-Friday 8 am-8 pm | Saturday – by appointment only | Sunday – closed
*This is not a showroom – hours indicate hours of operation for the office staff.