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 Placentia
If you own a home in Placentia, the odds are good it was built between 1950 and 1975. That means something specific: the moment a contractor opens a wall, there’s a real chance of finding aluminum wiring, a header that was never sized correctly, or waterproofing that failed years ago. We plan for that before we ever write a contract. Key Step Construction handles full-scope remodeling and renovation across Placentia’s 92870 and 92871 ZIP codes, with one point of accountability from the roof down to the foundation. Call (855) 382-0824 and we’ll walk the property with you, free of charge, before any numbers get discussed.
Why Key Step Construction Is Placentia’s Preferred General Contractor Company
Placentia homeowners don’t need a contractor who’s surprised by what’s behind the drywall. They need someone who’s opened enough mid-century tract homes to know exactly what’s coming. That’s the work we do. Our clients in the neighborhoods around Tri-City Park, the Alta Vista area, and the streets off Yorba Linda Boulevard consistently tell us the same thing: the estimate process felt more like an inspection than a sales pitch. That’s the point. We’re the General Contractor team that writes allowances into the contract for the discoveries that are routine in this city’s housing stock. Not vague language, but line items.
Led by Noel Garrity, our crew has worked through the full range of what Placentia’s older homes present: unpermitted additions, galvanized supply lines, undersized framing, and the electrical panel that was adequate in 1962 and is nowhere near code now. We respond to Placentia calls with a same-week site visit in most cases, and we show up ready to talk about the house as it actually is, not as the listing photos presented it.
Styles & brands we work with
- Kitchen remodeling
- Bathroom remodeling
- Home additions & ADU
- Roofing
- Windows & doors
- Driveway & pavers
- Fence
General Contractor Services in Placentia
General Contractor Services in Placentia cover the full run of what a homeowner might need when the house is older than the wiring inside it. Kitchen remodels, bath overhauls, room additions, ADU projects, and whole-home renovations all fall under a single contract, so you’re never coordinating three different crews on three different schedules. A full kitchen remodel in Placentia typically runs $14,000 to $45,000, a bathroom remodel $9,000 to $28,000, and a home addition $45,000 to $130,000. The range reflects what we find once demolition starts, which we’ll get to below.
Interior Remodeling and Renovation
When a Placentia kitchen or bath gets opened up, the first question is rarely about cabinetry. It’s about the plumbing and electrical that were installed before the city adopted modern building codes. We handle the sequence deliberately: demo, inspection, permit pull if required, then rough-in with the right materials. Cabinet lines like KraftMaid and Wellborn, plus quartz from Cambria or Caesarstone, come after the structure is corrected. Your material choices, our expertise.
Additions and ADU Work
Small lots in Placentia’s tract neighborhoods often leave only one practical way to add square footage: build up, build back, or convert what’s already there. Garage conversions and detached ADUs are common requests, and we support both conventional framing and prefab systems like Abodu when the lot and setback requirements allow. Plan it once, build it right.
Construction Company in Placentia
As a Construction Company working in Placentia, we handle the full envelope of the home, not just the interior scopes. Roofing, siding, windows, doors, fencing, and hardscape all sit under the same roof of accountability. Roof replacement here runs $8,000 to $20,000, window replacement $4,500 to $15,000, and paver patio installation $3,500 to $11,000. These are the prices Placentia homeowners should expect to see in a written quote that’s built for this market, not a national average that means nothing in Orange County.
Exterior Replacement and Repair
Placentia’s hot, dry summers take a toll on roofing and stucco, and the winter rainy season finds every crack. We install James Hardie siding and roofing from GAF, CertainTeed, and Owens Corning because these manufacturers stand behind product warranties that match the labor we put in. When we replace a roof on a 1960s ranch off Bastanchury Road, the new system is built to the brand’s spec, not approximated.
Hardscape and Site Work
Driveways, patios, and walkways in Placentia’s tract lots often sit on soil that’s shifted for sixty years. Paver systems from Belgard and Techo-Bloc accommodate that movement better than monolithic concrete, and the brands carry their own product warranties. A paver driveway installation typically runs $7,000 to $18,000 depending on lot grade and access.
Trusted Brands We Service in Placentia
We carry material access that most Placentia contractors can’t match without sending you to a showroom to fend for yourself. That includes cabinet lines from KraftMaid and Wellborn, quartz and engineered stone from Cambria, Silestone, and Caesarstone, roofing from GAF and CertainTeed, and hardscape systems from Belgard, Unilock, and Techo-Bloc. For structural concrete and repair work on older foundations and site conditions, we work with Quikrete and Sakrete products. Because we’re moving between Buena Park and Placentia daily, parts and material runs don’t add a week to your timeline. The full catalog of 50+ vetted brands means the selection conversation happens with a contractor, not a sales floor.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Placentia Homes
- Aluminum branch wiring. Homes wired in the 1960s and early 1970s across 92870 and 92871 often still carry aluminum circuits. Any wall opened for a kitchen or bath remodel exposes it, and code requires correction before inspection sign-off.
- Unpermitted “remuddle” work. Previous DIY additions and conversions rarely meet current structural or electrical code. Once we see it, we have to bring it up to standard before the new work can pass.
- Undersized load-bearing headers. Past owners opened walls for open-concept looks without an engineer’s input. Removing drywall reveals the issue every time.
- Failed waterproofing at stucco and window transitions. Placentia’s winter rain exposes every failed flashing detail on older homes. Roof and stucco repairs done without addressing the transitions just push water somewhere else.
Pricing for General Contractor in Placentia, CA
The honest answer is that a Placentia remodel quote should account for the house’s age before the first swing of a hammer. Our written quotes include allowances for the discoveries that are routine in this city’s housing stock. Here are the market ranges we work within:
| Project | Typical Placentia Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
What moves a Placentia project within these ranges is the condition of the wiring, plumbing, and framing behind the finishes. We inspect first, then price. Every change order is written, explained, and approved before work proceeds. No one should be surprised by a line item after demo day. Call (855) 382-0824 to schedule a free estimate and we’ll give you numbers built for your actual house.
We Also Serve Cities Near Placentia
While this page focuses on Placentia, our crews are active in the surrounding Orange County communities daily. That includes Brea to the north, Fullerton to the west, Anaheim to the southwest, and Yorba Linda to the east. If you’re on the edge of any of these cities, the same team, the same material access, and the same single-contract accountability applies.
Serving Placentia, CA - Our Local Coverage Area
We serve Placentia and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs About General Contractor in Placentia
Because the house was built when Placentia’s tract neighborhoods went up, and the wall that looked fine from the outside contains wiring, framing, or plumbing that hasn’t been touched since then. We write allowances into every contract for these discoveries, so the “increase” is really just an allowance being spent. The alternative is a contractor who quotes low, then hits you with a change order after demo. Call (855) 382-0824 and we’ll explain exactly how allowances work before you sign anything.
Yes, if any part of your job touches the unpermitted area. The City of Placentia requires new work to bring affected systems up to current code, which means the old work gets corrected as part of your permit. Noel Garrity’s team handles this routinely in 92870 and 92871. We pull the permits, coordinate the inspections, and close everything out properly. An estimate is free, so call (855) 382-0824 and we’ll tell you what your specific project would trigger.
We stop work at the point of discovery, document the condition, and present you with a written change order that covers the correction. The fix usually involves rewiring the affected circuits or installing approved aluminum-copper connections. The kitchen rough-in gets brought to code before any drywall goes back up. This is exactly why we inspect first and price allowances in from the start. Call (855) 382-0824 to schedule a walkthrough and we’ll look for the signs before demo begins.
Address the transitions: roof-to-wall flashing, window-to-stucco seals, and door thresholds. We install waterproofing systems like Schluter at tile transitions and use manufacturer-specified flashing on roofing and siding work. If we find existing intrusion during a Placentia remodel, it becomes part of the written scope before we build over it. Call (855) 382-0824 and we’ll inspect your exterior as part of the free estimate, not as an afterthought.
Usually yes, but the project depends on your lot’s setbacks, the garage’s existing condition, and whether any unpermitted work was done previously. We work with the City of Placentia’s permit process on garage conversions and ADU projects, and we have experience with prefab systems like Abodu when site conditions favor a manufactured build. ADU construction in Placentia typically runs $90,000 to $220,000. Call (855) 382-0824 to find out what your lot can support.
Written by Noel Garrity, Owner at Key Step Construction, serving Placentia and the surrounding Orange County communities.