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
Dvele Construction in Sunnyvale, CA | Iron Beam Contractors
We provide independent Dvele construction service across Sunnyvale, from module set and structural tie-in to full envelope finishing, including Home Remodeling in Sunnyvale for factory-panelized homes. The thing that separates our Dvele work here is that we know what happens when a factory-panelized home lands on a 1950s Sunnyvale infill lot, not a graded new-development pad. If you’re planning a Dvele ADU, a two-story modular addition, or need repairs to an existing Dvele envelope in Sunnyvale, call (833) 756-5936 for a straight assessment.
Why Sunnyvale Residents Choose Us for Dvele Service
We work on Dvele’s panelized, factory-built homes as an independent contractor. That means we’ve set, tied in, and finished modules on Sunnyvale infill lots where the factory plans and the site never quite match, and we’ve fixed the resulting problems. Our credibility comes from knowing Dvele’s envelope and connection details cold, not from any authorization by Dvele. Nolan Driscoll, our owner, grew up in Orange County’s Friendly Hills area and spent enough afternoons at Santiago Oaks to know what clay-heavy soil does to a foundation. He learned structural work through the Building and Construction Technology program at Santiago Canyon College, then spent two-plus decades framing and pouring across Southern California before founding Iron Beam Contractors. He built this company on one principle: tell the homeowner exactly what’s in the wall before you open it, not after.
For Sunnyvale homeowners, that means we walk your lot before we quote your Dvele project. We look at the existing ranch house, the fence lines, the street trees, and the soil. Then we tell you what the crane can clear, what the footing will hit, and where the factory anchor plate will or won’t line up. That’s the conversation most contractors skip, and it’s the one that saves you tens of thousands on a Dvele set gone wrong.
Styles & brands we work with







Common Dvele Construction Problems We Solve in Sunnyvale
- Panel-joint and seam sealant failures on Dvele cassette walls. Dvele’s wall and roof cassettes rely on sealant systems that take a beating in Sunnyvale’s Mediterranean climate: several dry summers bake the sealant, then wet winters drive rain into any joint that’s lost flexibility. On Sunnyvale’s flat former orchard lots, that driven rain finds a failed joint and tracks straight into the wall cavity. We re-seal sound envelopes and re-panel only when the substrate is gone.
- Roof-to-wall flashing and penetration details that don’t account for ponding. Dvele roof cassettes are set for cleaner sites. On Sunnyvale’s flat, clay-heavy lots, water ponds unless drainage is engineered exactly right. We re-detail roof-to-wall transitions and penetration flashings so standing water doesn’t find its way under the cassettes.
- Foundation and anchorage mismatches on teardown-and-rebuild lots. When a Dvele shell is set onto an existing or older footing, the bearing points often don’t land where the factory plate assumed. This is common in the 94085, 94086, and 94087 ZIPs where old ranch pads get reused instead of fully re-poured. We fix anchor plate alignment before panels go up, not after.
- Utility stub and panel-capacity conflicts on Dvele ADUs. Adding a Dvele ADU behind a 1950s-70s ranch house means tying into an original electrical service and sewer lateral that were never sized for a second dwelling. We handle the service upgrade and lateral work so the factory module has power and drainage from day one.
- Crane access and panel set clearance on tight infill lots. Sunnyvale’s core lots were platted shallow in the 1950s and 1960s. A Dvele module almost always has to clear an existing ranch house, a fence line, and a mature street tree on the way in. We plan the set sequence around those obstructions before the crane ever rolls up.
Dvele Service in Sunnyvale: What Local Conditions Mean for Your Home
Sunnyvale sits at the center of Silicon Valley’s teardown-and-rebuild economy. The post-war single-story ranch housing stock in the 94085, 94086, and 94087 ZIPs is being scraped and replaced with two-story homes, ADUs, and multi-unit infill at a pace you won’t find in a typical suburb. That changes everything about Dvele construction work here. A Dvele module in Sunnyvale almost always lands on a tight infill lot where the crane and panel set have to clear an existing ranch house, a fence line, and a mature street tree instead of working on a graded new-development pad. On top of that, the flat former orchard lots routinely hide old orchard tree roots, buried irrigation, and fill from the valley’s agricultural past right where your ADU footing needs to go. If your contractor doesn’t know that before excavation starts, you pay for the discovery in change orders. Nolan’s rule applies here: “If the structure makes sense on paper, it’ll hold in the field. If it doesn’t make sense on paper, we fix it before we touch a beam.” We fix it on paper first, then in the ground.
Dvele Models & Products We Service in Sunnyvale
We work across Dvele’s current product lines: the self-powered modular single-family home built from panelized wall and roof cassettes, the detached Dvele ADU module, and the two-story modular plan engineered for narrow infill lots. On every project, we use Dvele OEM connection hardware and sealant systems where the envelope warranty and structural tie-ins depend on them. Where the factory spec doesn’t lock us in, we bring in quality aftermarket finishes: KraftMaid cabinetry, Cambria or Silestone countertops, Kohler, Toto, or Delta fixtures, and GAF or Owens Corning roofing on any site-built portions. On repair versus replacement, we tell owners straight: re-seal and re-flash a sound Dvele envelope rather than re-panel it, but replace a roof cassette or a compromised wall section outright once the substrate is wet. That’s not upsell, it’s moisture management.
See the difference
Before
After
Before
After
Before
AfterDvele Service Pricing in Sunnyvale
These are the ranges you should expect for Dvele-related construction work in Sunnyvale, based on what we’ve seen across this market:
| Service | Price Range |
|---|---|
| ADU Construction (Dvele module set, foundation, utility tie-in) | $90,000 – $220,000 |
| Home Addition | $45,000 – $130,000 |
| Roof Replacement | $8,000 – $20,000 |
| Roof Repair | $400 – $1,800 |
What drives the number on a Dvele project in Sunnyvale is land work, not the module itself. The footing excavation, drainage engineering, utility upgrades, and crane access planning are where local costs show up. A free estimate from us includes a walk of your lot and a line-item written quote, so you know where every dollar goes before you commit. Call (833) 756-5936 to schedule one.
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 – Dvele Construction in Sunnyvale
Yes, and we’ve done it on post-war ranch lots across the 94085, 94086, and 94087 ZIPs, similar to our Santa Clara Dvele service on tight infill properties. The work includes footing excavation (with whatever old orchard roots and buried irrigation we hit), module set with crane access planned around the existing house and street trees, utility tie-in, and envelope finishing. The ranch house’s original electrical service and sewer lateral usually need an upgrade, and we handle that as part of the scope. Call (833) 756-5936 for a site walk and written quote.
A Dvele ADU in Sunnyvale typically lands between $90,000 and $220,000, while a home addition runs $45,000 to $130,000. The range depends heavily on your lot’s soil conditions, drainage requirements, utility capacity, and crane access. Roof replacement on a Dvele envelope runs $8,000 to $20,000. Call (833) 756-5936 for an exact quote, estimates are free.
Sunnyvale’s flat former orchard lots are the culprit. The mild Mediterranean climate means dry summers bake Dvele’s cassette sealants, then wet winters drive rain into any joint that’s lost flexibility. Add clay-heavy soil that holds water and you get ponding near the foundation line, which pushes moisture against the envelope from below and above. We re-seal sound joints and re-flash penetrations before the first winter rain, and replace cassettes outright when the substrate has wicked water.
Frequently. On a 94086 lot off Mathilda where a post-war ranch was being replaced with a two-story Dvele plan and a detached Dvele ADU in back, our crew hit old orchard roots and buried irrigation line while digging the ADU footing, then found the factory anchor plate didn’t line up with the surveyed pad. We re-poured the pier locations and re-detailed the cassette tie-downs to the as-built grade before setting panels, and sealed every wall and roof joint ahead of the first winter rain. That sequence, catch the mismatch before panels go up, is exactly what you’re paying for on a Dvele set in Sunnyvale, just as with our Cupertino Dvele service on comparable lots.
No, and that’s deliberate. Iron Beam Contractors is an independent Dvele service provider, not manufacturer-affiliated or authorized. Our independence means we call repairs honestly: we re-seal and re-flash when the envelope is sound, and we tell you to replace a cassette when it isn’t. We don’t have a factory sales quota coloring the recommendation. For Dvele owners in Sunnyvale, that’s the contractor you want standing on your lot. Learn more about our Dvele sales & service approach.
Service Areas Near Sunnyvale
Our Dvele work extends beyond Sunnyvale’s four ZIP codes. We serve Dvele service in Loyola, Dvele service in Mountain View, and surrounding communities including Cupertino, Santa Clara, Palo Alto, and Los Altos. If you’re anywhere near the South Bay, we’ll bring the same lot-first assessment to your project. For a wider view, see our Sunnyvale service area page.
Book Your Dvele Service in Sunnyvale Today
If you’re planning a Dvele ADU, a two-story addition, or need an honest envelope assessment on an existing Dvele home in Sunnyvale, start with a site walk. Call (833) 756-5936 to schedule your free estimate. We’ll tell you what’s in the ground, what the crane can clear, and exactly what the envelope needs before anyone touches a panel.
Written by Nolan Driscoll, Owner at Iron Beam Contractors, serving Sunnyvale and the South Bay.