Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Home Remodeling Across San Jose
Home remodeling in San Jose means opening up a postwar rancher and finding out what 60 or 70 years of Bay Area living actually did to the framing, the wiring, and the waterproofing behind the stucco. We’ve been through enough of those openings to know what’s coming before demolition starts. If you’re planning a kitchen, bathroom, whole-home, addition, or ADU project, call our Home Remodeling team at (833) 589-8103 and we’ll walk the property with you first. The estimate is free, and the inspection is part of how we quote.

Why Seaside Contractors Is San Jose’s Preferred Home Remodeling Company
San Jose homeowners sit down with us because we know the housing stock. The core ZIPs we serve here, 95103, 95106, 95108, and 95109, hold thousands of 1940s through 1970s stucco-over-wood-frame ranchers and bungalows. Those houses all share the same limitations: narrow lots, shallow footings, clay soil movement, and decades of small repairs layered on top of the original build. Glen Sorrento, who leads our contracting team, built our process around what those homes actually need, not what a generic remodeler assumes.
We don’t bid from a blueprint alone. Before we quote a whole house remodel or addition in San Jose, we open the ceiling in one or two locations or pull a permit history on the property. That pre-inspection catches the cloth-wrapped wiring and failed shower pans before they become a change-order fight. Our San Jose customers come back to us because the first quote held, and because every surprise was documented, priced, and approved in writing before we touched it.
Styles & brands we work with







Home Remodeling Companies in San Jose
Home Remodeling Companies in San Jose fall into two groups: ones that bid the visible scope only, and ones that open the walls first and then bid. We’re the second kind. A kitchen remodel in San Jose runs $16,520 to $53,100, a bathroom $10,620 to $33,040, and a full home addition $53,100 to $153,400. Those ranges assume the permit-triggered work an older rancher almost always requires once the drywall comes down. If a company quotes below that without inspection allowances, the number will move after demo. We’d rather give you the honest range up front.
Inspection Before Quote
We check for unpermitted past work, undersized framing, old wiring, and soft subfloor before writing your contract. In San Jose’s 95110-95113 core, that pre-inspection usually turns up at least one condition worth knowing about.
Then we write allowances into the contract for what we found, so you’re not blindsided. The goal is a number that holds.
Fixed Pricing, Written Change Orders
When something new appears during demo, we don’t just add it to the final bill. You get a line-item change order with the exact cost, and your sign-off before work continues. That’s the part most San Jose homeowners tell us they didn’t get from their previous contractor.
Whole House Remodel in San Jose
A Whole House Remodel in San Jose typically means taking a 1950s rancher down to studs in sections and rebuilding it for how a family actually lives now. Most of these houses were built with small kitchens, one bathroom, and a single-car garage. The work usually includes electrical service upgrades, window replacement, kitchen and bath rebuilds, and often a garage conversion or ADU. Plan on $53,100 to $153,400 depending on square footage and how far the systems need to come up to code.
What Gets Replaced
In San Jose, the big-ticket hidden items are the electrical panel, the galvanized supply lines, and the cast-iron drain pipes under the slab. Those aren’t cosmetic, and they’re not optional once walls are open.
We also assess roof sheathing and stucco condition, because the rainy season between November and March exposes any deferred exterior work.

Sequencing the Work
We schedule demolition, rough framing, and dry-in for the dry months, April through October, then move to interior finish. This matters on a whole house remodel where a roof might be off for a week. Scheduling exterior work around San Jose’s winter rains is part of how we keep projects on timeline and dry.
Trusted Brands We Service in San Jose
We install and service a full range of materials, and we keep close relationships with the brands you’ll live with every day. For San Jose remodels, we frequently specify Toto plumbing fixtures, American Standard tubs and toilets, Schluter waterproofing systems for showers and wet areas, and Sterling bath products when the budget calls for a value line without sacrificing fit and finish. Because we have direct access to these lines and others through our 50-plus brand partnerships, we can match the material to the project and to your budget. That means no running around to showrooms across the valley. We’ll bring samples to the site and spec exactly what works.
See the difference
Before
After
Before
After
Before
AfterCommon Home Remodeling Problems We See in San Jose Homes
- Cloth-wrapped and ungrounded wiring from the 1950s. Once a wall is open for a kitchen or bath remodel, the city requires that accessible circuits come up to current code. That is not the contractor padding the bill. It’s the permit.
- Unpermitted garage conversions and added rooms that don’t match county records. San Jose’s tight housing market produced a lot of makeshift additions over the decades. Structural walls and foundations on those spaces often need remediation before a remodel can proceed.
- Failed waterproofing behind older stucco shower surrounds. A shower that looks fine until winter rains raise the water table can hide a rotted subfloor and mold. We inspect with the wall open, not by guessing from the surface.
- Mature trees triggering the heritage-tree ordinance. A large oak or redwood in a backyard in 95111 or 95112 can require city permit review and arborist sign-off before any addition, lot-split, or ADU can go forward. That review takes time and changes the construction schedule.
Pricing for Home Remodeling in San Jose, CA
Here are the ranges we quote for the most common San Jose projects, based on the older housing stock and current permit requirements in the core ZIPs. A kitchen remodel runs $16,520 to $53,100. A bathroom runs $10,620 to $33,040. Those figures assume the hidden work a mid-century rancher usually needs: electrical upgrade, subfloor repair, new venting. If you’re adding square footage, a home addition runs $53,100 to $153,400, and an ADU construction runs $106,200 to $259,600. A garage conversion runs $35,400 to $94,400.
| Project | San Jose Price Range |
|---|---|
| Home Addition | $53,100 – $153,400 |
| Kitchen Remodel | $16,520 – $53,100 |
| Bathroom Remodel | $10,620 – $33,040 |
| ADU Construction | $106,200 – $259,600 |
| Garage Conversion | $35,400 – $94,400 |
What moves the number is what’s behind the stucco, not the finishes you pick. That’s why we inspect first and write allowances into the contract. Call (833) 589-8103 to schedule a free estimate and get a written line-item quote.
We Also Serve Cities Near San Jose
Our crews work throughout the San Jose area, including the neighborhoods and nearby communities of Buena Vista, Seven Trees, Communications Hill, and Alum Rock. If you’re planning a remodel anywhere in the San Jose valley, we can get to your project quickly and we already know the permit offices, the soil conditions, and the housing stock. The free estimate covers the whole region.
Serving San Jose, CA — Our Local Coverage Area
We’re based in the San Jose area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About Home Remodeling in San Jose
Because most 1940s through 1970s San Jose ranchers have hidden conditions that aren’t visible until the walls come down: cloth-wrapped wiring from the 1950s, unpermitted past additions, undersized framing, and failed waterproofing behind older shower surrounds. A contractor who bids cosmetic scope only will hit those during demo and the quote moves. We inspect before quoting, write allowances into the contract for known conditions, and price every new discovery as a written change order before we touch it. That’s how the number holds. Call (833) 589-8103 for a quote that accounts for what’s actually behind your stucco.
Yes, for any work that opens walls, changes plumbing or electrical, moves load-bearing structure, or adds square footage, San Jose requires a building permit. The permit process for older ranchers often triggers electrical panel upgrades, seismic strapping requirements, and insulation minimums that weren’t in the original build. We pull permits for our projects and manage the inspections. If you’re considering a remodel without permits on a house that will one day be sold or refinanced, the unpermitted work becomes a liability. Call (833) 589-8103 and we’ll tell you what your specific project will require.
It might, and you should find out before you draw plans. San Jose’s heritage-tree ordinance protects mature oaks, redwoods, and other significant trees, meaning a tree in a 95111 or 95112 backyard can trigger arborist review and a city permit before any addition, ADU, or lot-split can proceed. The review adds time but doesn’t always stop the project. We’ve built additions around protected trees and handled the permit path with city arborists. Call (833) 589-8103 to discuss your lot and we’ll give you a straight read on the tree situation.
We install what fits the project, not one brand across everything. For bathrooms we lean on Toto and American Standard plumbing fixtures and Schluter waterproofing behind the tile. For cabinets we can spec KraftMaid or Wellborn, and for countertops Cambria, Silestone, or Caesarstone. Windows often come from PGT, Therma-Tru, or CGI. The point is you get one contractor who knows all the lines and can match tier to budget, from premium to value-engineered, without switching teams. Call (833) 589-8103 and we’ll bring samples to your San Jose home.
Between April and October. San Jose’s Mediterranean climate concentrates its rain in the winter months, and exterior work, concrete pours, stucco, and roofing are far more reliable during the long dry season. We sequence any remodel that involves opening the exterior envelope around that window. If a winter storm exposes a leak or drainage failure on an older home, we address it as emergency roof or waterproofing repair and then get the full remodel scheduled for the dry months. Call (833) 589-8103 and we’ll build the schedule around San Jose’s weather, not against it.
Written by Glen Sorrento, Owner at Seaside Contractors, serving San Jose and the surrounding valley.