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 can manage a whole-home renovation, a two-story addition, or an ADU without handing you a coordination nightmare is harder than it should be. Millwright Builders covers Sunnyvale from 94085 to 94088 with one licensed team, one contract, and one point of accountability. We handle interior remodeling, roofing, windows, fencing, hardscape, and full additions. If you’re planning work on a 1960s rancher off El Camino Real or a newer townhome near Downtown, call (866) 925-0334 for a free estimate and a real scope conversation.
Why Millwright Builders Is Sunnyvale’s Preferred General Contractor Company
Sunnyvale homeowners keep calling us because we speak the local language of setbacks, plan checks, and HOA architectural committees. Noel Castañeda runs our projects with a simple rule: read the city’s requirements before we draft the contract, not after demo starts. That’s why Sunnyvale owners working in the 94086 and 94087 ranch-home corridors trust us with additions that butt up against narrow-lot setback rules. Our reputation in Sunnyvale is built on showing up with a clear scope, a written allowance breakdown, and material selections we’ve actually installed before. We’re not the contractor who shows you a catalog and disappears.
Sunnyvale customers routinely tell us the same thing: they’d been burned by fragmented contractor relationships where the electrician blamed the drywall crew and nobody owned the schedule. That’s exactly the problem Millwright Builders eliminates. One general contractor, one conversation, one accountable team. Call (866) 925-0334 and you’ll get a direct answer on feasibility, timing, and cost.
Styles & brands we work with
Licensed General Contractor in Sunnyvale
A Licensed General Contractor in Sunnyvale is the only party legally authorized to pull permits for structural changes, additions, and whole-home remodels that cross multiple trades. Sunnyvale homeowners on the old orchard-suburb grid, especially in 94086 and 94087, frequently need this for two-story additions, ADUs, and kitchen renovations involving load-bearing wall removal. A full kitchen remodel in Sunnyvale typically runs $14,000 to $45,000. An ADU starts around $90,000 and can reach $220,000. Millwright Builders holds full general contracting licensure and manages every trade under that single license, so you’re not stitching together four separate subs and hoping the inspector signs off.
Permit-Ready Scope, Not Guesses
We don’t write a scope of work and hope it survives Sunnyvale plan check. We check the narrow-lot setback rules and second-story window-privacy requirements before the first wall moves. When a plan gets kicked back, the draw schedule stalls and your timeline dies. We’d rather spend the extra week in pre-construction than six weeks in plan-check purgatory.
One Contract, Every Trade
Our General Contractor team runs interior structural work, roofing, windows, fencing, and hardscape under the same contract. You don’t chase a roofer about flashing while the cabinet crew waits. You call us, we coordinate the whole sequence.
Residential General Contractor in Sunnyvale
A Residential General Contractor in Sunnyvale is what you need when the project spans multiple trades or involves the building envelope, mechanical systems, and finishes all at once. Sunnyvale’s housing stock is split between 1950s-70s ranches and split-levels over former orchards, and newer townhome or condo clusters near the train corridor. Both demand a contractor who understands pier-and-beam foundations, knob-and-tube-era electrical remnants, and builder-grade finishes that fail early. A home addition in Sunnyvale runs $45,000 to $130,000. A bathroom remodel runs $9,000 to $28,000. Millwright Builders scopes it accurately and installs materials to the manufacturer’s standard, not just to code.
Builder-Grade Finish Replacement
We see newer Sunnyvale townhomes with cabinets and countertops that look fine in the model unit but start delaminating after three years of daily use. The first real upgrade is usually the kitchen work surface, countertops, and cabinet boxes before you touch the layout. That’s where your money returns the most daily value.
Typical First Upgrades in a New Build
Builder-grade trades often install the cheapest plumbing fixtures and hollow-core interior doors that meet spec. Replacing those with properly sourced Grohe fixtures and solid-core doors changes how the home feels. We specify the brand, explain the trade-off, and stand behind the install.
Trusted Brands We Service in Sunnyvale
Millwright Builders sources and installs materials from 50+ established brands, and we keep a working inventory of fast-turn items for Sunnyvale customers. When a roofing replacement calls for GAF shingles, we order the exact line and color through our supply chain, not whatever the local yard has on the shelf. The same applies to CertainTeed and Owens Corning roofing lines. Every product we install, we’ve vetted, not just stocked. For Sunnyvale homeowners, that means you get real options with a builder who knows each product’s performance trade-offs, whether it’s a full re-roof near Cupertino’s border or a kitchen cabinet system in a 94087 rancher.
See the difference
Before
After
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After
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AfterCommon General Contractor Problems We See in Sunnyvale Homes
- Builder warranty voids from early demo: Newer master-planned home owners let a crew demo a kitchen or move a load-bearing wall before reading the warranty exclusions. The moment that wall moves without prior written scope work, coverage on the component disappears. We read the warranty first and write the scope around it.
- Narrow-lot setback rejections: A two-story addition quoted without checking the narrow-lot setback and second-story privacy rules gets kicked back at Sunnyvale plan check. The draw schedule stalls, materials sit in the yard, and the owner pays carrying costs. We pull the lot record and city requirements during the estimate, not after.
- Lump-sum pricing with no allowance breakdown: Builder-grade countertop and cabinet swaps in newer townhomes turn into an unpriced change order mid-job when the number was never broken out. We write line-item allowances so you see exactly where the money goes and what an upgrade costs before you sign.
- Expansive clay movement under pier-and-beam homes: On the old orchard grid, seasonal moisture shifts in the valley floor move foundations in ways that crack the drywall and bind doors. We’ve opened 1960s ranchers in the 94086 blocks and found visible seasonal movement, so we scope a structural upgrade before any rough-in goes in.
Pricing for General Contractor in Sunnyvale, CA
Here’s what Sunnyvale homeowners can expect based on current market data and our recent projects in 94085 through 94088. A kitchen remodel runs $14,000 to $45,000. Cabinet installation runs $4,000 to $13,000. Countertop installation runs $2,000 to $6,500. A bathroom remodel runs $9,000 to $28,000. A home addition runs $45,000 to $130,000. An ADU runs $90,000 to $220,000. What moves those numbers the most: the age of the existing structure, whether we’re tying into pier-and-beam or slab, the finish tier you choose, and what plan check requires for setbacks. We give written line-item estimates, not verbal numbers. Call (866) 925-0334 to schedule your free estimate and get real ranges for your specific scope.
| Project | Sunnyvale Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
We Also Serve Cities Near Sunnyvale
Our team works across the South Bay and Peninsula. In addition to our work as a General Contractor in Sunnyvale, we serve Mountain View, Santa Clara, Loyola, and Cupertino. If your project sits near the Sunnyvale border or you’re just across the way, we’re already familiar with the local plan-check culture and material supply chains. Call (866) 925-0334 and we’ll come out for an estimate, no matter which side of the line you’re on.
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
Yes, in specific components. Any trade you alter, move, or remove, such as the electrical run you reroute, the load-bearing wall you open, or the cabinet system you demo, loses its original builder warranty coverage for that component. The rest of the home’s warranty remains intact as long as the work is permitted and installed by a licensed contractor. We read the warranty document before writing your scope, and we’ll show you exactly which components the work affects. Call (866) 925-0334 for an exact quote and a warranty review.
Most Sunnyvale HOAs in newer townhome and master-planned clusters require architectural committee approval before structural work, exterior changes, window replacement, or roofing material changes. You’ll typically submit plans, material samples, and sometimes a color board. We prepare the submittal package in the format the committee expects. The review period varies, but budget two to four weeks for a clean submittal. Call (866) 925-0334 and we’ll help you assemble what’s needed.
Replace the kitchen countertops and cabinet front hardware first, then the primary bathroom vanity top and the plumbing fixtures. Those surfaces get daily wear and are the first to show their builder-grade origin. From there, upgrade the hollow interior doors and the carpet pad before you think about moving walls. The layout may be fine even if the finish quality is not. Call (866) 925-0334 for a free walk-through and a prioritized finish list.
Yes, both require permits in Sunnyvale. A garage conversion that adds living space, plumbing, insulation, or electrical work triggers plan check and inspections. An ADU requires its own design review, setbacks, and utility connection approval. We pull every permit, handle the inspections, and schedule the trades to match the city’s sequence. Call (866) 925-0334 to get a scope and permit path for your specific lot.
We write line-item allowances for every finish before you sign, so a countertop, cabinet, or fixture choice has a pre-set dollar allocation. If you choose something above that allocation, you get a written change order with the delta before any work moves. Nothing gets installed on an unpriced approval. When a true site condition appears, such as hidden pier-and-beam damage in an older 94087 rancher, we walk it with you, show you the photos, and price the fix as a separate line item, not a surprise at the end. Call (866) 925-0334 for an exact quote on your project, estimates are free.
Written by Noel Castañeda, Owner at Millwright Builders, serving Sunnyvale and the South Bay since our founding.