Home renovations in San Jose, from Willow Glen bungalows to Almaden ranches.

Hand-vetted contractors for kitchens, bathrooms, ADUs, and whole-home remodels across Willow Glen, the Rose Garden, Naglee Park, and Almaden Valley. We have matched contractors on San Jose projects for years.

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Santa Clara County

Renovating in San Jose.

San Jose's housing stock is unusually broad for one city. The older central neighborhoods, Willow Glen, the Rose Garden, Naglee Park, and Hensley, carry 1900s to 1930s Craftsman bungalows, Spanish and Mission Colonial Revival, Queen Anne Victorians, and Prairie homes, often with original built-ins and period detailing still intact. Almaden, Cambrian, Berryessa, and Evergreen lean the other way, toward 1950s to 1970s single-story tract and ranch housing, with Almaden Valley including larger homes on 8,000-plus square foot to one-acre hillside lots.

On the older tract homes, down-to-studs gut renovations are common where 1950s framing and 50-year-old systems need full replacement. We have matched contractors on San Jose projects across the valley floor and into the foothills, from kitchen openings and primary-suite additions to detached ADUs and full-scope renovations on homes families plan to keep for decades.

  • Willow Glen
  • Rose Garden
  • Naglee Park
  • Almaden Valley
  • Hensley Historic District
  • Berryessa
  • Evergreen
  • Cambrian
Popular Projects

What homeowners renovate in San Jose.

Realistic 2026 cost ranges based on the projects our contractors are actually pricing in San Jose right now.

Kitchen remodels

$90K – $225K+

The most requested project across San Jose. In the older Willow Glen and Rose Garden homes, the typical scope opens up a cramped 1920s kitchen, preserves period built-ins where they matter, and adds modern cabinetry, quartz or stone counters, and updated appliances. On 1950s to 1970s tract homes in Cambrian and Evergreen, we often relocate plumbing to support an island and open a wall into the living space.

Bathroom remodels

$35K – $75K+

Primary bathrooms in mid-century San Jose homes tend to be small with dated tub-shower combos. Most full-scope projects we see expand into an adjacent closet for a curbless walk-in shower, double vanity, and updated tile. Hall-bath refreshes run the lower end of the range.

ADUs (detached & garage conversions)

$250K - $450K+

San Jose runs a pre-approved ADU program widely cited as the most homeowner-friendly in the Bay Area. Homeowners pick a standardized plan already reviewed by city staff, and a site-specific permit can be issued the same day as the plan-review meeting. Detached units anchor the higher end of the range, while garage conversions typically run lower.

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Whole-home renovations & additions

$420K - $1.5M+

Common for owners of 1950s ranches and 1920s bungalows who want a second story, a primary suite, or a full down-to-studs rebuild. On older homes the scope usually includes replacing electrical, plumbing, HVAC, and insulation alongside the cosmetic work. Larger Almaden Valley homes on hillside lots land at the top of the range.

Local Knowledge

What to know about renovating in San Jose.

Permitting in San Jose

Permits run through the City of San Jose Planning, Building and Code Enforcement Building Division, served at the Development Services Permit Center at 200 E. Santa Clara St., 1st Floor (City Hall Tower). Standard plan review for residential additions and remodels generally runs about 6 to 12 weeks, with ADUs around 4 to 8 weeks, and most projects go through 2 to 4 correction cycles. San Jose also offers an in-person Over-the-Counter service for qualifying single-family and duplex projects with no appointment, plus a virtual Residential Express service for qualifying projects under 500 square feet.

Historic districts and conservation areas

Several central neighborhoods carry preservation oversight. The Hensley City Landmark District (HD89-51) is also a National Register district of 279 properties, and Naglee Park is a designated Campus Community Conservation Area, part of San Jose's seven Conservation Areas. Work in these areas can route through the San Jose Historic Landmarks Commission or PBCE Planning Division historic preservation staff, so your contractor should confirm the designation before scoping exterior changes.

Fire zones and seismic notes

Portions of San Jose, primarily the East Foothills and Almaden Valley hillside areas, fall within California's High and Very High Fire Hazard Severity Zones, while valley-floor neighborhoods do not. Homes in those zones trigger Chapter 7A ignition-resistant exterior assemblies on additions and major remodels, plus defensible-space requirements. On older pre-modern-code homes, foundation bolting, cripple-wall shear paneling, and hillside pier upgrades are common bid-day adders, roughly $15K - $60K depending on scope, given the Calaveras, Hayward, and San Andreas faults nearby.

Recent Work

From a San Jose project.

Renovation project in San Jose

A full-scope interior renovation in San Jose, completed with one of our vetted local contractors from contract through final walkthrough.

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FAQ

Common questions from San Jose homeowners.

How long does a kitchen remodel take in San Jose?
Plan on roughly 10 to 14 weeks of construction once permits are issued, plus design and permit time before that. In San Jose, standard plan review for a remodel generally runs 6 to 12 weeks and most projects go through 2 to 4 correction cycles, so a typical kitchen project lands around 5 to 7 months from signed contract to final walkthrough.
My home is in a historic district. Does that change the process?
It can. Central neighborhoods like the Hensley Historic District and the Naglee Park Conservation Area carry preservation oversight, and exterior changes can route through the San Jose Historic Landmarks Commission or PBCE historic preservation staff. We match homeowners in these areas with contractors who have worked through that review before, which keeps the timeline predictable.
Are ADUs easy to permit in San Jose?
San Jose runs a pre-approved ADU program widely cited as the most homeowner-friendly in the Bay Area. You select a standardized plan already reviewed by city staff, and a site-specific permit using a pre-approved plan can be issued the same day as the plan-review meeting, with those plans often processed in 1 to 2 weeks. You can also request a preliminary pre-approved ADU meeting with Building, Planning, Fire Prevention, and Public Works staff before submitting.
How much does a bathroom remodel cost in San Jose?
A full-scope primary-bathroom remodel with a walk-in shower, double vanity, and updated tile typically starts around $45K and up in San Jose as of 2026. A more straightforward hall-bath refresh starts lower, around $35K and up.
What happens after I submit my project?
A matchmaker calls you within one business day, learns about your project and timeline, and hand-picks contractors from our vetted San Jose network. You meet only the ones you want to. We sit in on bid comparisons and stay involved through the final walkthrough, with project support that continues after the job is done.
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Ready to renovate in San Jose?

Tell us about your project. A matchmaker will call you within one business day and hand-pick 2–5 contractors from our vetted network who have worked in San Jose before.

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Match with a San Jose contractor

  • A call with a matchmaker, usually within one business day
  • 2–5 hand-picked contractors vetted across 9 inspection points
  • Bid review, contract help, and 3-year project support
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