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 General Contractor Across Sunnyvale
Finding a general contractor in Sunnyvale who actually shows up, pulls permits, and manages the whole build is harder than it should be. We’re Iron Beam Contractors, and we run full-scope projects across Sunnyvale from kitchen and bath remodels to whole-home rebuilds, ADUs, roofing, and hardscape. If you’re planning work on a 1950s ranch in the 94087 ZIP or adding a detached ADU off El Camino Real, call us at (833) 756-5936. We’ll walk the lot, check what the city will require, and give you a line-item estimate you can actually compare.
Why Iron Beam Contractors Is Sunnyvale’s Preferred General Contractor Company
Sunnyvale homeowners keep calling us back for one reason: we run the whole job under one contract, one schedule, and one point of contact. That means when the rough-in inspection fails because the subfloor wasn’t documented, or the window flashing doesn’t match the spec sheet, it’s our problem to fix, not yours to chase across three subs.
We carry real accountability on Sunnyvale builds. Our General Contractor team specifies materials by name, not by “or equivalent.” When a quote says impact-rated windows on a two-story rebuild in the 94086 ZIP, it means Kynar-finished frames with the wind-load documentation in the permit file. When it says a roof assembly is wind-rated for the added height, it means the uplift calc is attached to the invoice. That’s the difference between a contractor and a coordinator.
Nolan Driscoll set this company up to own the full scope, not broker it. From blueprint to backyard, one contractor, every phase.
Styles & brands we work with
Construction Company in Sunnyvale
Construction Company work in Sunnyvale today usually means one of three things: a scrape-and-rebuild of a mid-century ranch, a second-story addition, or a detached ADU on a flat former orchard lot. The old house comes down or gets opened up, and the new structure has to meet a different wind and exposure standard than the low-slung ranch it replaced.
Typical ranges: a home addition in Sunnyvale runs $45,000 to $130,000. A detached ADU runs $90,000 to $220,000. A garage conversion runs $30,000 to $80,000. Those are real Sunnyvale market numbers, not national averages. The wide spread comes down to foundation conditions, second-story engineering, and the finish level you specify.
Rebuilds and Second-Story Additions
On a flat, open lot in Sunnyvale, a new two-story envelope catches wind differently than a 1950s single-story. The roof-to-wall ties, shear panels, and hold-downs have to be engineered for that added height and exposure. We pull the wind uplift calculations and submit them with the permit set, not as an afterthought.
ADU and Foundation Work
Sunnyvale’s flat former orchard lots hide old tree roots, buried irrigation lines, and agricultural fill. When we dig for ADU footings in the 94085 or 94087 ZIPs, that’s what we find. We address it at the grade beam and drainage stage, before the slab gets poured, so the foundation passes inspection and the winter drainage has somewhere to go.
Remodeling Contractor in Sunnyvale
Remodeling Contractor work in Sunnyvale spans kitchen and bath remodels, whole-home interior renovations, and exterior envelope upgrades like windows, roofing, and siding. The scope is different from a rebuild, but the permit and inspection trail matters just as much.
A kitchen remodel in Sunnyvale runs $14,000 to $45,000. A bathroom remodel runs $9,000 to $28,000. Impact-rated window installation runs $8,000 to $25,000. Roof replacement runs $8,000 to $20,000. Those ranges reflect the mid-century housing stock here, where opening a wall often reveals framing and electrical that hasn’t been touched since Eisenhower was in office.
Kitchen and Bath Remodels
We specify cabinetry from KraftMaid and Wellborn, countertops from Cambria, Silestone, or Caesarstone, and fixtures from Kohler, Moen, or Grohe. You get the brand you approved, with the spec sheet in your project file. No “comparable product” swaps at rough-in.
Exterior Envelope Upgrades
Windows, roofing, and siding on a Sunnyvale home have to handle wet winters and dry summers. We specify James Hardie siding and Schluter waterproofing systems where moisture management matters, and we document every material for the insurance file.
Trusted Brands We Service in Sunnyvale
We’re authorized to work with 50+ named material brands, and our Sunnyvale clients lean on that depth. Hardscape projects on those flat orchard lots often use Belgard pavers for permeable driveways and patios that handle winter runoff. Fencing and railing work uses Jerith aluminum when the spec calls for a low-maintenance exterior. And when a rebuild or ADU needs a durable perimeter, Bufftech and ActiveYards vinyl systems are in our approved set. Built on real brands, real standards.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Sunnyvale Homes
- Old orchard roots and buried irrigation under new footings. On flat former orchard lots in the 94085 – 94087 ZIPs, we routinely pull out roots and old irrigation pipe when digging for ADU foundations. Cheap bids skip the dirt work and the slab fails inspection.
- Undocumented rough-ins. When the subfloor, load-bearing framing, and electrical get closed in without inspection sign-off, the homeowner loses the documentation trail. That hurts later when an insurance claim or premium credit needs proof of compliant work.
- Wind and uplift calcs missing on taller rebuilds. A new two-story on an open, treeless lot has a different exposure than the 1950s ranch it replaced. A cheap quote drops the shear and roof-to-wall tie schedule, and the city catches it at plan check.
- Drainage on flat lots with clay-heavy soil. Sunnyvale’s clay can hold water through the winter. Without engineered drainage and grading, the new slab or ADU site becomes a pond by February.
Pricing for General Contractor in Sunnyvale, CA
Here’s what we quote in Sunnyvale, with real numbers:
| Project | Sunnyvale Range |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Replacement | $8,000 – $20,000 |
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
What moves the number: foundation conditions, second-story engineering, wind-load documentation, and the finish level you specify. A compliant quote includes the structural schedule, drainage plan, and permit file. A cheap quote drops them. Call (833) 756-5936 for a free estimate with real line items.
We Also Serve Cities Near Sunnyvale
Our crews work across the South Bay, so if you’re in Mountain View, Santa Clara, Loyola, or Cupertino, the same team that handles Sunnyvale rebuilds can manage your project. Same contract, same brand portfolio, same permit discipline.
Serving Sunnyvale, CA — Our Local Coverage Area
We’re based in the Sunnyvale 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 General Contractor in Sunnyvale
A new two-story rebuild or detached ADU in Sunnyvale has to meet the wind exposure requirements for the added height and the open, treeless lots typical of the 94085 – 94087 ZIPs, which means engineered roof-to-wall ties, shear panels, and hold-downs plus a documented wind uplift calculation submitted with the permit set. We provide that documentation up front, not after the city asks for it. Call (833) 756-5936 if you want to know what your specific lot requires.
Because Sunnyvale’s flat lots were orchards before they were subdivisions, so old tree roots, buried irrigation lines, and agricultural fill are still under the topsoil. A quote that doesn’t account for that dirt work is under-bidding the job, and the foundation will fail inspection or the drainage will flood in winter. We price the excavation and grade beam work in the estimate so there’s no mid-project surprise. Call for a quote that includes the dirt reality.
Permits and inspection sign-offs create the documentation trail that proves the rough-in, subfloor, and load-bearing changes were built to code, which an insurer can require when you file a claim or ask for a premium credit for wind-rated work. Undocumented work becomes a denial or a premium increase. We keep every spec sheet, inspection record, and structural calc in your permit file. Get the full documentation trail from day one by calling (833) 756-5936.
A compliant quote in Sunnyvale includes the wind uplift calc, shear and roof-to-wall tie schedule, drainage and grading plan, permit fees, and the inspection sign-off milestones tied to the draw schedule. A cheaper bid drops the structural schedule, skips the drainage, and treats inspection paperwork as optional. We give you a line-item quote that shows exactly what’s engineered and what’s documented. Call for a free estimate you can actually compare.
Sunnyvale’s wet winters mean foundation pours, drainage work, and exterior envelope work need to be sequenced ahead of the November-to-March rain window, and flat clay lots need engineered drainage before the slab goes in. We schedule excavation and grading for the dry months and keep the build moving through winter by protecting open framing and sequencing the roof and windows early. Call (833) 756-5936 to talk through a realistic timeline for your lot.
Written by Nolan Driscoll, Owner at Iron Beam Contractors, serving Sunnyvale and the South Bay.