Home Additions in San Jose
Room additions, second stories, sunrooms, and garage conversions. Novum lines up a licensed general contractor and stays on the project from plans to final inspection. Serving San Jose and surrounding California communities — same vetted pros, same upfront pricing, same Novum Guarantee.
Eichlers and 1960s ranch homes with radiant floor heat, flat or low-slope roofs, and original electrical. EV charger installs, panel upgrades, ADU and remodel work, and roof replacement are common requests. We cover Willow Glen, Almaden Valley, Cambrian Park, Evergreen, and the rest of the South Bay — see every Novum service in San Jose.
Every pro Novum sends is licensed, insured, and vetted — and Novum stays accountable for the job.
You approve the price before we start. No hourly rates, no surprise charges.
Same-day and next-day appointments available throughout San Jose.
Home Additions services in San Jose
Novum handles all of these in San Jose — book online or call and we'll give you an upfront quote.
Why San Jose homeowners choose Novum
Unlike platforms that send your request to whoever bids lowest, Novum assigns one vetted pro and manages the job. Every San Jose home additions pro Novum sends is licensed, insured, and vetted — and Novum manages the job from request to finish. That means consistent quality, a single point of contact, and the Novum Guarantee on every job.
Home Additions FAQs for San Jose
Who builds the addition?
A vetted, licensed, insured general contractor from Novum's partner network, coordinated by Novum. One request, one assigned pro, one point of contact for the whole project.
Are plans and permits handled?
Yes. Your assigned pro coordinates drawings, permits, and inspections. Novum confirms each stage is in your quote.
How is an addition priced?
After a consultation you get a detailed upfront quote covering design, labor, materials, and timeline before work starts.
How is Novum different from Angi for additions?
Angi gives you a list of builders to interview and gather bids from. Novum assigns one pro and handles scheduling and follow-up throughout.
What is the Novum Guarantee for additions?
If a defect appears after completion, Novum makes it right.
Do you serve all neighborhoods in San Jose?
Yes — Novum covers all of the South Bay, including Willow Glen, Almaden Valley, Cambrian Park, Evergreen, Berryessa, Rose Garden, and ZIP codes such as 95125, 95120, 95124, 95135.
How do I get a quote?
Book online at NovumHS.com or call 435-534-6764. A San Jose dispatcher will confirm the appointment and provide your upfront flat quote before any work begins.
Home Additions in other cities
Ready to book home additions in San Jose?
Get an upfront flat quote. Novum lines up the pro and handles the rest.