A Fielding company - serving San Jose, CA
A quiet residential street with a new ADU behind one of the homes
Saratoga, CA

ADU Company in Saratoga - One Fixed Price, Permits Handled

We handle the design, the engineering, and the city permit, then build it. One contract, one crew, one accountable point of contact. Free feasibility check on your lot before you commit.

✓ Licensed & Insured ✓ Written quotes ✓ Permits handled
Schedule Free Estimate

Call to schedule your free estimate

Free Estimate on SiteCalls Answered by a Live Person, 24/7Background-Checked TechniciansA Local Team in San Jose
🛡 Licensed & Insured 📝 Written Fixed-Price Quotes 💲 No Change Orders · Free Estimates
A small deck outside a new ADU
The living room inside a new ADU
A new two-story ADU over a garage
A compact kitchen inside a new ADU
A new modern ADU with wood cladding
A second-story addition with a balcony, matched to the original house
A bedroom and desk inside a converted garage
A single-story rear room addition with tall windows and a new patio
Every project starts with

A free site visit, a check of what your lot allows and a written, line-item price.

Get your free estimate

ADU Company in Saratoga, CA

Saratoga is not an easy place to build an ADU, and that’s exactly why the work here needs a different hand. The hillside zoning, heritage oak protections, and large lot minimums all push projects toward ground-level, view-sensitive designs that respect both the terrain and the neighbors. Older custom homes from the 1950s through 1980s often carry foundations and framing that need careful integration before a new structure can tie in cleanly. Fielding ADU Builders works in Saratoga with a written price before any work starts and a one-year guarantee behind every project. Call (669) 201-3984 to talk through your lot.

Call (669) 201-3984

Why Saratoga Homes Are Different

The bathroom inside a new ADU

Saratoga’s housing stock runs heavily toward custom single-family homes on generous lots, many built forty to seventy years ago in ranch, contemporary, and traditional styles. That age matters when you’re adding an attached ADU or converting a garage: the existing foundation may have settled unevenly, and the framing may not match current shear-wall requirements. Our crews check what’s actually there before proposing a connection detail, rather than assuming the original build was square and level.

The terrain drives the second difference. Homes above Saratoga-Sunnyvale Road sit on sloped lots where flat, buildable ground is scarce. On those sites, we frequently see compact ADUs cantilevered over the hillside to preserve existing oak trees and avoid the cost of tall retaining walls. The city’s heritage tree ordinance means a protected oak can dictate where the structure sits, how deep the footings go, and whether a variance request is even worth filing.

Climate adds a third layer. Saratoga’s hot, dry summers and mild, wet winters, combined with the wildland-urban interface fire risk in the hillside areas, push material choices toward fire-resistant siding, ember-resistant vents, and cooling strategies that don’t depend on running a portable AC unit all afternoon. These are not optional upgrades here; they’re the standard any permitted project has to meet.

Our Main Saratoga Services

Saratoga homeowners call us most often about three things: adding a room, converting a garage, and building a detached or attached ADU. Each has its own page with local pricing and specifics, linked below.

Room Addition Contractor in Saratoga

A room addition on a Saratoga home usually means tying new framing into a structure that’s been settling for decades. The existing roof lines, foundation elevations, and wall framing all have to be mapped before we write a price, because the connection is where surprises live. Heritage tree setbacks and hillside grading rules often shape the footprint more than the homeowner’s wish list does. We handle the full permit path and build to The Garrison Standard: written price upfront, work done by the book, and a full year of written guarantee. Room Addition Contractor in Saratoga has the full breakdown for this city.

Room Addition Contractor in Saratoga

Garage Conversion Contractor in Saratoga

Converting a garage in Saratoga is usually the fastest path to new living space, because the shell already exists. What it lacks is a proper foundation slab rated for habitable space, insulation that meets current Title 24 energy code, and often a floor height that’s below the finished grade outside. Older garages here were built as car storage, not bedrooms, so we typically cut and repour sections of slab, add perimeter drainage, and reframe the walls to hold insulation and shear paneling. Garage Conversion Contractor in Saratoga covers pricing and the permit specifics for this city.

Garage Conversion Contractor in Saratoga

ADU Builders in Saratoga

Backyard ADUs in Saratoga split into two paths: prefab platforms like Abodu, Cover, and Dvele, or a conventional build from the ground up. The right choice depends on your lot’s slope, the city’s setback rules, and how quickly you need the unit occupied. We’re fluent with both methods, and with the Saratoga-specific constraints around heritage trees, hillside grading, and fire-resistant materials that shape the permit review. ADU Builders in Saratoga has a full breakdown of options and costs for this city.

ADU Builders in Saratoga
Need help today?Fast, friendly service and a no-obligation free estimate.

Call (669) 201-3984

What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service in Saratoga

We work with major prefab and modular ADU platforms including Abodu, Cover, and Dvele, and we build conventionally with James Hardie siding when the site calls for it. The right match depends on your lot’s slope, setback constraints, and budget. See our brands for the full range we support.

Pricing for ADU Company in Saratoga, CA

Service Typical range in Saratoga
Prefab ADU (turnkey, including site work) $180,000 – $350,000
Conventional detached ADU (500 – 800 sq ft) $250,000 – $450,000
Attached ADU (conversion or addition) $150,000 – $350,000
Garage conversion (full, permitted) $120,000 – $250,000
Room addition (300 – 500 sq ft) $180,000 – $350,000
Foundation repair or upgrade (per project) $15,000 – $60,000
Hillside grading and retaining (per project) $20,000 – $80,000
Fire-resistant siding upgrade (James Hardie) $25,000 – $70,000

Saratoga prices run toward the upper end of these ranges when the lot slopes, a heritage oak sits in the buildable area, or the existing structure needs foundation work before anything new can tie in. Every project gets a written price before work starts, so the number you approve on day one is the number on the final invoice.

Neighborhoods We Serve in Saratoga

We work across Saratoga’s hillside and valley neighborhoods, from the estate lots above Saratoga-Sunnyvale Road down to the flatter streets near the village. Response times run short throughout the city since our crews stage locally.

  • Golden Triangle
  • Cox Avenue area
  • Blue Hills
  • Quito Village area
  • Bohlman Road hillsides

Service Area – Cities Near Saratoga

Our crews serve Saratoga and the surrounding cities throughout Santa Clara County. If your project sits just outside Saratoga proper, we also cover Campbell, CA, Santa Clara, CA, Sunnyvale, CA, and Boulder Creek, CA. Each city has its own permit quirks, but the pricing and guarantee stay the same.

Serving Saratoga, CA - Our Local Coverage Area

We’re based in the Saratoga 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 ADU Company in Saratoga

The bedroom inside a new ADU

Ready to get started? Free estimates · Free in-home estimates response in Saratoga
Call (669) 201-3984

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local adu pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Saratoga Customers Say

★★★★★ 5.0 from 6+ reviews

"Foundation and slab poured on schedule. Crew kept the yard orderly."

- Marian J.

"Insulation, drywall, and finishes were all well done. Feels like part of the house."

- Pete O.

"Garage conversion with a new bath and kitchenette. Permit was handled by them. Inspection passed first time."

- Sheila B.

How It Works in Saratoga

Getting your adu handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your adu needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Saratoga - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

More ADU services in Saratoga

Every build below starts the same way: a free site visit and a written price.

Getting started with Fielding in San Jose

Every project starts with a conversation and a written price. Here is how to take the first step.

A project lead measuring a backyard ADU site with the homeowner

Free site visit

A project lead walks the lot with you, checks what it allows and hands you a written, line-item price. No obligation.

Book a site visit
A building crew carrying lumber to a backyard ADU site

Your San Jose team

A local crew that works across San Jose and the towns around it, to the same written standard as every Fielding location.

Areas we serve
A worker protecting the lawn before an ADU build starts

Read our written promise

What we promise on every job, written down, with the terms spelled out before any work starts.

Our promise

Request a Free Estimate

Tell us what's going on in Saratoga - we'll get back to you fast. No obligation.

By reaching out through this form, you confirm you have read our Privacy Policy and consent to receive communications via phone, email, or SMS about your service request, including from the local pros who may handle it.

Prefer to text? Text Us
Call Now - 24/7 Dispatch
Local Service Coverage
Call Now - 24/7 Dispatch