Cover Home Addition Contractor in Sacramento: What to Know First
As an independent Cover service provider, Lodgewick ADU Sacramento handles home additions on and around Cover backyard units across the Sacramento region. Most addition projects run 6 to 16 weeks depending on scope, and we give you a written price before any work starts – no surprises at the door. If you own a Cover unit and want to add square footage, convert attached space, or bump out an existing room, call (279) 256-1973 and we’ll walk the property with you.
This page is for homeowners who already have a Cover ADU on their Sacramento lot and need a contractor who understands how those units are built, where they fail, and how to add onto them without compromising the original structure. Russ Delmar and our crew have worked on enough Cover units here to know what holds up in Sacramento’s dry summers and wet winters.
How Cover Products Fail – and How We Fix Them
Cover builds prefabricated backyard units in a factory and assembles them on site. The construction is solid, but Sacramento’s climate and local soil conditions create specific stresses. Here’s what we see most often when homeowners call us about additions or repairs on their Cover units:
- Foundation settling at the original unit’s corners. Cover units sit on pier or slab foundations, and Sacramento’s clay soil expands and contracts through wet-dry cycles. When one corner settles, the roofline pulls away from the original attachment point. We see this regularly in older Cover S and M series units. Our fix: relevel the affected section, add proper drainage, and tie the new addition’s foundation to the original with steel connectors so both structures move together.
- Water intrusion at the original unit-to-structure seam. Any addition attached to a Cover unit creates a seam. If that seam isn’t flashed correctly for Sacramento’s winter rain, water finds its way in within two seasons. We’ve corrected seams on Cover units in East Sacramento and Land Park where the original flashing was undersized. We use a double-flashed, counter-flashed detail with a continuous peel-and-stick membrane before any siding goes up.
- Undersized electrical panels in older Cover units. Many Cover units shipped with 100-amp or smaller panels sized for the original footprint. Add a bathroom or a bedroom, and you need more circuits. We run a load calculation first, then upgrade to a properly sized subpanel – pulling permits through Sacramento County or the City of Sacramento as required. We don’t do additions without verifying the existing panel can carry the load.
- HVAC shortfall in Sacramento summers. Cover units designed for moderate climates often have mini-splits sized for the original square footage only. Add a sunroom or bump-out, and those 100-degree Sacramento afternoons become unbearable. We size the addition’s HVAC to the new total square footage and replace or supplement the existing unit when needed. Skipping this step is how people end up with a beautiful new room they can’t use from June through September.
- Differential movement between the prefab section and site-built additions. Prefab wall panels and site-built framing expand and contract at slightly different rates. If you don’t account for that at the transition, you get drywall cracks along the joint within a year. We install flexible transition details at every Cover-to-addition connection and explain exactly why that joint needs to breathe.
Our Cover Home Addition Contractor Process
Every project follows The Kingswell Way: say the price before the work, show up in the window given, leave the place cleaner than found, put the guarantee in writing, come back if it fails. Here’s how a Cover addition goes with us:
- 1
Walkthrough and measurement. We visit the property, measure the existing Cover unit, check foundation level, and discuss what you want to add. We also list every city or county requirement that applies to your Sacramento lot.
- 2
Written scope and price. You get a line-item proposal with exact materials, labor, permit fees, and timeline. The price on that paper is the price you pay. No change orders for things we should have caught during the walkthrough.
- 3
Permits and engineering. We pull permits from the City of Sacramento or Sacramento County, whichever has jurisdiction. For attached additions, we bring in a structural engineer to verify the existing Cover unit can carry the new loads.
- 4
Construction. Background-checked, uniformed crew on site every working day. The site is swept at the end of each day. We protect the existing unit’s interior from dust and debris with proper barriers.
- 5
Inspection and walkthrough. We walk the finished addition with you, point out every detail, and make sure you know how to operate any new systems. We don’t collect final payment until you’re satisfied.
- 6
365-Day Done Right Promise. You receive a written guarantee covering the workmanship. If anything fails within 365 days, we come back and fix it at no charge. That’s the whole point of putting it in writing.
What Cover Home Addition Contractor Costs in Sacramento
Here are realistic ranges for common addition scenarios involving Cover units in the Sacramento market. These are ballpark figures – your exact price depends on size, site conditions, and materials – but they’ll give you an honest starting point before you even pick up the phone:
- Bump-out addition off a Cover unit (mudroom, small office, or extended living space): $45,000 to $85,000
- Attached garage addition to a Cover unit: $65,000 to $110,000
- Bathroom addition onto an existing Cover ADU: $40,000 to $75,000 depending on plumbing runs and finishes
- Sunroom addition with proper HVAC sizing: $55,000 to $95,000
- Full second-story addition over an existing Cover unit (requires structural reinforcement): $150,000 to $240,000
What moves the price most: foundation condition, electrical panel capacity, and how far new plumbing lines need to run. We write all of this into the estimate so you can see exactly where the money goes. Call (279) 256-1973 for a free, written estimate on your specific project.
Why Sacramento Homeowners Call Lodgewick ADU Sacramento for Cover Work
We’re the ADU company of the Kingswell family, building and fixing backyard homes since 2010. When you call us about a Cover addition, a live person answers – 24 hours a day, 7 days a week. No voicemail loop, no chatbot. The person on the phone can schedule your walkthrough and answer basic questions about your project.
Our crew has hands-on experience with Cover units alongside other leading prefab brands including Abodu and Dvele. That cross-brand familiarity means we know what’s standard on a Cover build and what was likely customized during installation. It helps us diagnose faster, estimate more accurately, and avoid the mistakes that come from treating every prefab unit the same. As Russ puts it: “Done right means done once.” We stand behind that with the 365-Day Done Right Promise on every addition we build.
FAQs
It can, depending on the scope and how the addition is handled. Any structural modification to the original Cover unit – cutting into roof framing, altering load-bearing walls, or changing the foundation connection – may affect the manufacturer’s coverage. We review your warranty terms before work begins and design additions that avoid unnecessary modifications to the original structure. Where modification is unavoidable, we document everything and flag it clearly in writing before you approve the project.
Most of the time, yes. Cover uses specific exterior panel systems and trim profiles that are available through building supply channels. We can typically match the original materials closely enough that the addition looks like part of the original build, not an afterthought. Where an exact match isn’t available, we’ll show you samples and get your sign-off before ordering. Call (279) 256-1973 with your unit’s model and we’ll tell you what’s available for your specific finish.
Yes. Sacramento County and the City of Sacramento both require building permits for attached additions, bump-outs, and most interior modifications. We pull all permits and schedule all inspections on your behalf. The permit fees are included as a line item in your written estimate, so there’s no surprise cost later.
Most attached additions run 6 to 12 weeks from permit approval to final inspection. Second-story additions take longer, typically 12 to 16 weeks, because of the structural work involved. Sacramento’s permit review timeline also affects the schedule, and we provide a realistic completion window in your written estimate before you commit.
No. The price on your written estimate is the price you pay, unless you ask us to add something outside the original scope. If we discover a hidden issue – rotted framing, undersized electrical service, foundation problems – we stop work, show you exactly what we found, and give you a written change order with the additional cost before proceeding. You always approve the number before we spend the money.
Written by Russ Delmar, Owner, Lodgewick ADU Sacramento at Lodgewick ADU Sacramento, serving Sacramento and nearby areas.
