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 Orange
If you’re planning a home addition, kitchen remodel, or whole-home renovation in Orange, the biggest variable isn’t materials or labor. It’s whether your contractor understands tight lots, old framing, preservation review, and the city’s work-hour rules before the first permit gets pulled. We do. A room addition on a 1920s bungalow near Old Towne isn’t the same job as a teardown rebuild in a newer tract, and pricing it as if it were is how projects stall and budgets blow out. Call (833) 467-7020 and we’ll walk your property, look at access, check the Historic District trigger points, and give you a real number based on what Orange actually requires.
Why Alder Contractors Is Orange’s Preferred General Contractor Company
Nelson Ibarra built Alder Contractors around a simple idea: one contractor accountable for every phase, from roofline to backyard. Orange homeowners call us because we manage the trades, the materials, and the permit sequence under a single contract. No chasing four vendors with four schedules.
We know Orange’s streets. We know that a home on Almond Avenue east of Glassell sits on a different lot condition than one near Villa Park’s edge, and that a pre-1940 house in the Historic District triggers a different exterior alteration path than a 1950s ranch near 92862. That local knowledge shows up in our quotes. When we price a room addition in Orange, we’re pricing the actual access, the actual staging constraints, and the actual preservation review timeline. Not a generic per-square-foot number that falls apart on week one.
Our work in Orange spans kitchen remodels, bath remodels, full interior renovations, siding and window replacement, hardscape, and ADU or prefab installation. We answer the phone when you call, and we show up on schedule. That’s why homeowners here keep our number. Call (833) 467-7020 for a free estimate and a straight answer.
Styles & brands we work with







Hire a General Contractor in Orange
Hire a General Contractor in Orange when the project spans more than one trade and you don’t want to spend your weekends coordinating plumbers, electricians, framers, and inspectors. A kitchen remodel in Orange typically runs $14,000 to $45,000. A bathroom remodel lands between $9,000 and $28,000. A home addition runs $45,000 to $130,000 depending on scope, foundation work, and access. Those are real Orange market numbers, not national averages that don’t hold up when you’re bidding a project two blocks from the Plaza.
The jobs that keep one contractor busy here are room additions, ADU construction, garage conversions, kitchen and bath remodels, and whole-home refreshes on older stock that hasn’t been touched since the 1960s. A few blocks apart in Orange, you’ll find a 1930s bungalow needing seismic retrofits and a 1970s ranch needing a full interior rework. Both are our scope. Both get the same approach: price the access, respect the lot, and sequence the work so the neighbors stay civil.
Room Additions and ADUs on Tight Lots
Most Orange lots weren’t laid out for modern additions. We price room additions and ADU construction with the staging reality in mind. A 900-square-foot bungalow on a 5,000-square-foot lot has maybe one narrow driveway for material drops, and the neighbor’s fence is eight feet from your exterior wall. That’s fine. We plan around it, and the quote reflects it. A California room addition in Orange runs $45,000 to $130,000. An ADU runs $90,000 to $220,000 including foundation, utilities, and the planning time Orange’s density demands.
Seismic Retrofit and Structural Work
Orange sits in earthquake country. Expansive clay soils in pockets of the city shift with wet winters and dry summers, and older homes weren’t bolted to their foundations the way code demands now. When we open up a pre-1940 house, we’re checking sill plates, cripple walls, and the mudsill-to-foundation connection. Foundation bolting and shear wall upgrades often ride along with a room addition or kitchen remodel. It’s structural, it’s non-negotiable, and it’s included in the quote rather than sprung as a surprise change order later.
General Contractor Services in Orange
General Contractor Services in Orange cover the full scope of a home renovation or addition under one contract. You get one point of accountability, one schedule, and one team managing every trade that walks through your door. A kitchen remodel in Orange runs $14,000 to $45,000. A bathroom remodel runs $9,000 to $28,000. A garage conversion runs $30,000 to $80,000, and a window replacement on an older Orange home runs $4,500 to $15,000 depending on count, frame condition, and whether you’re in a preservation review area.
When Nelson Ibarra takes on a project here, he’s the one answering when you call with a question mid-project. Not a voicemail box. Not a project manager you’ve never met. That’s the whole point of single-source contracting, and it’s why the brand structure matters: access to 50+ material brands across cabinets, countertops, roofing, windows, fencing, and pavers means we’re not stuck with one supplier’s lead time or one line’s color palette.
Historic District Renovations
Remodeling a home in Orange’s Historic District isn’t a standard remodel with old trim. Exterior alterations, windows, doors, and rooflines go through the city’s preservation review process before permits get issued. That means custom wood window replication, material submittals, and a review timeline that doesn’t exist in neighboring cities. We handle that sequence. Plans, samples, submittals, approvals, then construction. It adds planning time. It beats a stop-work order every time.

Whole-Home Renovations and Exterior Overhauls
From the roofline to the backyard, a whole-home renovation in Orange means reworking floor plans, moving walls, opening kitchens, and replacing windows, siding, and roofing as one coordinated effort. We use brands like PGT for impact-rated windows, CGI for coastal-grade product lines, and Tamko or Boral for roofing and trim systems. One crew relationship. One schedule. One warranty conversation at the end.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Orange
We carry and install products from brands Orange homeowners actually ask for by name. PGT windows are a frequent request on homes with west-facing glass or noise from the 55. CGI gives us a strong line for impact and wind-rated work in Orange’s older neighborhoods. Tamko and Boral cover roofing and trim where historic-compatible materials are needed. Because we hold direct accounts with these manufacturers, we can pull material submittals fast for preservation review, quote accurately for stock, and avoid the distributor middleman delays that throw schedules off. If you’re in a Historic District overlay, ask us which PGT or Boral lines pass review before you fall in love with a product you can’t install.
See the difference
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After
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After
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AfterCommon General Contractor Problems We See in Orange Homes
- Tight-lot additions priced without staging and parking costs. A room addition on a narrow Orange lot needs a material-drop plan, a parking permit strategy, and sometimes a crane. If the contractor didn’t price that upfront, it becomes a change order after demolition starts.
- Party-wall notice skipped or under-documented. On shared-wall properties, work that touches a common wall requires written notice to the adjoining owner. Miss that step and a neighbor’s objection can freeze framing while you sort out a legal notice process. We document it from the start.
- Historic District exterior work treated like standard permitting. Swapping a window or door in the Historic District triggers preservation review and custom wood window replication. Plan for three to six weeks of review before construction. Skip it and you’re buying materials you can’t install.
- Foundation and drainage issues discovered mid-project with no pricing plan. Orange’s expansive clay soils move. When we open a floor or a wall and find a cracked mudsill or a footing that’s settled, we’re not surprised. We priced the likely fix and we’ve got a structural engineer on call. The work gets done without a panicked change-order conversation.
Pricing for General Contractor in Orange, CA
Here’s what we actually quote in Orange, based on the work we’ve done here. These are full-project ranges that include materials, labor, permits, and project management. Tight-lot access, preservation review, and seismic retrofit requirements push a project toward the higher end of each range. A straightforward room addition on a wide lot in a non-historic zone lands closer to the bottom.
| Project Type | Orange Price Range |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Window Replacement | $4,500 – $15,000 |
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
We give free written line-item estimates. No phone quotes based on square footage guesses. We walk the property, check the access, verify the district rules, and hand you a number you can actually plan around. Call (833) 467-7020 and we’ll come out.
We Also Serve Cities Near Orange
If your home sits just outside Orange’s city limits, we’ve got you covered. We serve Orange residents in Villa Park, North Tustin, Tustin, and Anaheim. The lot conditions, building stock, and permit processes shift from city to city, and we’ve done work in each of them. Give us a call and we’ll let you know what applies to your specific address.
Serving Orange, CA — Our Local Coverage Area
We’re based in the Orange 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 Orange
A tight lot in Orange changes the quote because staging, parking, material drops, and trash removal all cost money and time. A standard lot quote assumes you can park a dumpster and stack materials on-site. A narrow Historic District lot near Old Towne may not allow that. Your quote has to include a sequenced delivery plan, a potential crane, or a neighboring access agreement. That’s real cost, and it’s why we never bid an Orange addition without seeing the lot first. Call (833) 467-7020 and we’ll walk your property before we write anything down.
Yes, work that touches a shared wall in Orange requires written notice to the adjoining owner, and depending on the scope, a signed party-wall agreement. If you’re doing a garage conversion, an addition that ties into an existing shared wall, or structural work that affects the neighboring foundation, the city’s code enforcement and your neighbor both expect documentation. We prepare the notice, explain it to your neighbor in plain language, and keep the paperwork on file for inspection. It’s one extra step that prevents a project-halting dispute. Our team handles it as part of the general contractor scope.
Remodeling a home in Orange’s Historic District means exterior alterations like windows, doors, siding, and rooflines pass through the city’s preservation review process before permits are issued. Custom wood window replication, specific material submittals, and a review timeline of three to six weeks are all part of it. That’s different from neighboring cities like Villa Park or North Tustin, where standard window replacement permits move faster. We’ve done this process. We know which PGT and Boral products clear review, and we build that review window into the schedule from day one. Call (833) 467-7020 to talk through your specific block.
Orange’s municipal code sets work-hour and noise limits for construction. Most work has to stay within defined weekday hours, and weekend work on noisy phases is restricted or requires a variance. For a homeowner, that means a longer calendar than you’d see in unincorporated areas, but it also means your contractor better have the sequencing planned so inspections and rough-ins land on the right days. We schedule our Orange projects around the ordinance. No work stoppages, no neighbor complaints, no fines passed along to you.
Yes, a room addition in Orange requires structural, electrical, plumbing, and mechanical permits, and a seismic retrofit requires structural permits and an engineer’s sign-off. If your home is in the Historic District, exterior elements of the addition also go through preservation review. We pull all permits under our license, coordinate inspections, and close out the project with final sign-offs. That’s part of the contract, not an add-on. Call (833) 467-7020 for a free estimate that includes the full permit scope.
Written by Nelson Ibarra, Owner at Alder Contractors, serving Orange since 2009.