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 Santa Ana
Finding a general contractor in Santa Ana who understands what your house actually needs is harder than it should be. Most crews quote you a number without ever looking at what’s behind the stucco. We do it differently. Toolbox Contractors works in Santa Ana’s older bungalows and tract homes every week, from the 92701 corridor up through 92735, and we know what those walls hide. If you’re planning a kitchen gut, a bathroom overhaul, a roof-and-windows combo, or an ADU in the backyard, one call to (855) 382-3257 gets you a straight answer and a written line-item estimate. No runaround. No coordinating six different subs. One contractor, every phase.
Why Toolbox Contractors Is Santa Ana’s Preferred General Contractor Company
Norm Castellano runs Toolbox Contractors with a simple rule: never quote a project until you’ve looked at what the house was built with. In Santa Ana that matters more than in most cities. A 1938 Craftsman near Wilshire Square and a 1963 tract home off Bristol Street are two completely different jobs, even if the floor plans look similar. We’ve opened enough walls here to know which one has balloon framing, which one has galvanized pipe ready to fail, and which one will need shear panels before any cosmetic work starts.
Our reputation in Santa Ana is built on showing up when we say we will and writing quotes that reflect the real scope of the job. Homeowners who’ve been burned by contractors before tell us the same thing: they finally knew what they were paying for because we itemized everything. The foundation work. The seismic retrofit. The material allowances for Cambria or Caesarstone. The permit fees. That’s why they recommend us to neighbors in Mabury Park, Floral Park, and Heninger Park.
We also bring something most local remodelers can’t: direct access to 50+ vetted material brands across every phase of the project. KraftMaid and Wellborn cabinetry. GAF and CertainTeed roofing systems. PGT impact windows. Master Halco and Jerith fencing. That means you’re not stuck choosing from whatever the big-box store has on the shelf that week. You pick real brand-name materials, and we install them under one contract with one point of accountability.
Styles & brands we work with







Construction Company in Santa Ana
A construction company in Santa Ana handles the structural and envelope work a remodeler often can’t: additions, ADUs, garage conversions, second-story builds, and full exterior upgrades. In this city specifically, the job almost always starts with engineering. Much of Santa Ana’s housing stock sits on raised pier-and-beam foundations with balloon-frame walls that predate modern seismic and wind-load codes. So before we frame a single wall, we bring in a structural engineer to design the connection points. Hurricane clips at the roof-to-wall junction. Shear panels on the braced wall lines. Hold-downs at the foundation. A compliant quote includes these line items. A cheap one skips them and hopes the inspector doesn’t notice. In Santa Ana, the inspector notices.
Additions and Second Stories
Adding square footage to a 1940s bungalow in the 92701 corridor means working with what’s already there, not against it. We tie the new framing into the existing balloon-frame structure with an engineered continuous load path. That usually means opening walls to add fire blocking, sistering floor joists that have sagged over 80 years, and sometimes reframing sections that termites got to first. A home addition in Santa Ana typically runs $45,000 to $130,000, with the spread driven by foundation condition and whether the lot has a non-conforming setback that requires a variance.
ADU and Garage Conversion Scope
Santa Ana’s older lots are denser than the suburbs around them, and the city has made ADUs a real option. But a detached garage built in 1955 was never designed to be living space. We handle the full conversion: new stem-wall or slab foundation, electrical service upgrade from the old 60-amp panel, insulation, drywall, plumbing rough-in, and a roof that meets the current 110-mph wind-load standard. An ADU build here runs $90,000 to $220,000. A garage conversion is $30,000 to $80,000. Neither price includes hoping the inspector is lenient. We pull the permits, we schedule the inspections, and we stand there while they happen.
Remodeling Contractor in Santa Ana
A remodeling contractor in Santa Ana should know that the dry heat and seasonal Santa Ana winds age a house faster than a mild coastal climate ever will. Original stucco cracks. Wood fascia rots. Old single-pane windows leak dust every time the wind blows. That’s the context for every kitchen, bath, and whole-home remodel we quote here. We factor it in. The $14,000 to $45,000 kitchen remodel on a 1961 ranch house near Santiago Street isn’t just cabinets and countertops. It’s often replacing the galvanized supply lines, rewiring the appliance circuits, and leveling a floor that’s settled an inch over 60 years. The price reflects the actual house, not a showroom photo.
Kitchen and Bath Work in Older Homes
Kitchen remodels in Santa Ana frequently reveal wiring that still has knob-and-tube remnants or early Romex without a ground. We address it before cabinets go in. That’s what a real remodeling contractor does here: makes the wall cavity safe before we cover it with Schluter board and tile. On the cabinet side, we install KraftMaid and Wellborn lines with Kohler or Moen fixtures, and we quote the brand names up front so you know what the drawer boxes are made of. A small kitchen remodel here runs $9,000 to $20,000. A bathroom remodel runs $9,000 to $28,000 depending on whether we’re doing a tub-to-shower conversion or a full gut with a curbless pan.
Exterior Repair and Stucco Seasons
Fall in Santa Ana isn’t about freezing temperatures. It’s about wind. The Santa Ana wind events dry out and crack the original stucco on 1920s through 1940s bungalows, and that’s when we get the wave of re-stucco and fascia-repair calls. Homeowners see the cracks widen, then the moisture gets in, then the dry rot starts. We replace the damaged sections, add building paper where it’s gone, and repair the fascia with materials that hold up in a semi-arid climate. This is the kind of scoped, seasonal work that single-trade crews never touch because there’s no showroom in it. But it’s the difference between a house that leaks and one that doesn’t.
Trusted Brands We Service in Santa Ana
We source real brand-name materials and install them properly, which means you get the full benefit of the manufacturer’s standing in the industry. Fencing is a good example: Master Halco and Jerith manufacture steel and aluminum systems rated for the wind and dry conditions we get here, and Barrette and Ameristar round out the line for wood-look and ornamental options depending on your lot and HOA rules. James Hardie siding and PGT windows are another pairing we recommend for Santa Ana’s older homes because they solve the wind-driven dust and dry-rot cycle at the same time. When you work with our General Contractor team, you’re not guessing whether the crew knows how these products are supposed to be installed. We install them, and we back the work.
See the difference
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AfterCommon General Contractor Problems We See in Santa Ana Homes
- Balloon framing with no fire blocking. In the 1920s and 1930s houses near downtown, wall cavities run from the foundation to the attic. Any remodel that opens those walls requires fire blocking and often lateral bracing before inspection will pass. A bid that ignores it can’t be real.
- Raised foundations that have shifted. Pier-and-beam foundations settle unevenly over 70 or 80 years. We regularly find low spots in older homes near Mabury Park and Wilshire Square. The fix is leveling and re-shimming before tile or hardwood goes down, not after.
- Galvanized plumbing that’s already failing. Any bathroom or kitchen remodel in a pre-1965 Santa Ana house is likely to expose galvanized supply lines that are almost closed with corrosion. We quote the re-pipe as part of the wall-open scope so you don’t get a surprise change order when the old pipe snaps.
- Non-conforming setbacks on older lots. Many Santa Ana lots were subdivided before modern setback rules. Additions and ADUs often need a variance or a design review that newer suburban cities don’t require. We handle the paperwork and the hearing, so the project doesn’t stall on a technicality.
Pricing for General Contractor in Santa Ana, CA
Here’s what you should expect to pay for structural and whole-home work in Santa Ana. These are written line-item ranges based on what we’ve bid and built in this city over the last several years. The spread depends on foundation condition, the age of the framing, and whether the lot triggers a variance.
| Project | Typical Santa Ana Range |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
Every estimate is free and every line item is spelled out before you sign. Call (855) 382-3257 and we’ll walk the house with you, point out what’s original, what’s failing, and what the permit office will actually require. You’ll know the real number before we leave the driveway.
We Also Serve Cities Near Santa Ana
Our crews cover Santa Ana and the surrounding cities including Tustin, North Tustin, Fountain Valley, and Orange. We schedule work around your timeline, and our service area means we can get to your house quickly without treating your project like a long-distance call. If you’re outside Santa Ana proper, ask us about availability for your zip code when you call. For more on the region, see General Contractor in Santa Ana for full local coverage details.
Serving Santa Ana, CA — Our Local Coverage Area
We’re based in the Santa Ana 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 Santa Ana
Santa Ana additions and roof structure work must meet the current California Building Code requirement of 110-mph basic wind speed design, which translates to specific uplift ratings on roof tie-downs, wall-to-roof connections, and wall-to-foundation anchors. In practice, that means hurricane clips at every rafter-to-plate connection, anchor bolts on raised foundations, and a continuous load path an engineer signs off on. Call (855) 382-3257 and we’ll explain exactly where that applies to your house.
Yes, we pull every permit the city requires for your remodel or addition. Santa Ana’s Planning and Building division requires permits for structural work, electrical, plumbing, and any change to exterior walls or the building envelope. We prepare the drawings, submit the application, schedule the inspections, and handle any corrections. A contractor who asks you to pull the permit yourself is usually asking you to take liability you shouldn’t have to carry.
The inspection sign-off from the city is your proof of code compliance, so make sure your contractor schedules and passes every rough and final inspection before you make the last payment. After a wind or flood event, an insurance adjuster looks for the permit record and the final inspection card. Without them, a claim on unpermitted work can be denied. We deliver the signed inspection card at the end of every project. Call (855) 382-3257 for a written scope that includes all permit documentation.
A compliant quote for a Santa Ana addition should include a structural engineer’s stamp, shear panel and hold-down line items, hurricane clip installation, foundation inspection and repair, permit fees, and an allowance for any electrical or drainage upgrades the inspector requires. It should also name the materials: roof system, window ratings, siding type, and fire-resistance rating. A quote that only says “addition, 400 sq ft, $85,000” is missing the part that keeps your house standing when the wind hits 90 miles an hour in October.
Most homes built before roughly 1970 in Santa Ana require some structural upgrade when you open walls or add square footage. Balloon framing needs fire blocking. Raised foundations need anchor bolts. Single-pane windows don’t meet current load requirements. And if you’re doing an addition, the entire braced-wall system often needs to be brought up to current seismic standards. That’s not padding. It’s what the city requires and what your house needs. For a free honest assessment, call (855) 382-3257.
Written by Norm Castellano, Owner at Toolbox Contractors, serving Santa Ana and Orange County.