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
Remodeling Company in Santa Ana, CA
Home renovation in Santa Ana means working on some of Orange County’s oldest housing stock: 1910s Craftsman bungalows, Spanish Colonial Revivals, and post-war stucco tract homes on 25-foot-wide lots with alley access. Key Step Construction has served Santa Ana since 2017, managing full-scope remodeling projects across ZIPs 92701, 92702, 92703, and 92799. We’re a licensed general contractor handling everything from kitchen overhauls to exterior replacement, so you deal with one team instead of juggling five different trades. Call (855) 382-0824 for a free estimate on your Santa Ana project.
Why Santa Ana Homes Are Different
Santa Ana’s housing stock was largely built before 1960, and that changes how renovation work gets planned. In the historic Lacy and French Park neighborhoods, we’re regularly inside wood-frame Craftsman bungalows and Spanish Colonial Revival homes with plaster walls, true dimensional lumber, and foundations that have settled unevenly over 80 to 100 years. Crews doing additions on these narrow lots often find no side-yard access at all, so materials get hand-carried or crane-lifted over the house. Any exterior change visible from the street can trigger historic-district review through the City of Santa Ana, which is stricter than what homeowners face in surrounding North OC cities.
The namesake Santa Ana winds are a real factor. Hot, dry fall winds crack stucco, dry out wood siding, and lift aging roofing materials. Then winter rains expose old flashing and drainage problems on flat-roof additions and original roofs. We plan for both seasons: materials that hold up to UV and wind, and flashing details that keep water out when the rains finally come. Bilingual communication with Spanish-speaking homeowners is standard on our Santa Ana job sites, and our crews are prepared for it.
Older multi-family fourplexes and converted houses on tight lots make up a big share of the work too. These buildings often hide knob-and-tube wiring, cast-iron drain lines, and structural framing that was never meant to carry modern kitchens or added square footage. A renovation here is rarely cosmetic. It’s a process of uncovering what’s behind the walls, then rebuilding to current code.
Styles & brands we work with
- Kitchen remodeling
- Bathroom remodeling
- Home additions & ADU
- Roofing
- Windows & doors
- Driveway & pavers
- Fence
Our Main Santa Ana Services
Most Santa Ana homeowners call us for two things: a general contractor who can manage a whole-house project from start to finish, and a full home remodel that brings an older house up to modern standards. Each service has its own detailed Santa Ana page.
General Contractor in Santa Ana
As a general contractor in Santa Ana, we carry the entire project: permits, demo, framing, rough-in, finishes, and inspections. That single-contractor accountability matters most on older Santa Ana homes where one discovery, like a rotted sill plate or undersized floor joist, changes the scope. We’re familiar with City of Santa Ana permit requirements and the historic-district review process. General Contractor in Santa Ana covers how we run projects in this city.

Home Remodeling in Santa Ana
Home remodeling in Santa Ana usually means working within an existing footprint: reconfiguring a 900-square-foot bungalow to gain a functional kitchen, adding a second bath, or opening up walls without compromising old framing. We plan around the realities of 25-foot-wide lots, alley access, and mature street trees that limit staging space. Home Remodeling in Santa Ana explains our process for whole-home and room-by-room remodels in this city.

Home Renovation in Santa Ana
Home renovation in Santa Ana is dominated by remodel-and-addition projects on aging wood-frame bungalows and Craftsman-era houses rather than new builds, and that’s exactly what our Home Renovation service handles. The hot, dry Santa Ana winds crack exteriors while heavy winter rains test old flashing, so a renovation here has to address the building envelope as carefully as the interior. From the roof down to the foundation, we plan the work to solve both the visible problems and the ones hiding behind original plaster.
Home Renovation Contractors
Signs you need it
You’re seeing sagging floors, cracked plaster, outdated wiring or plumbing, and a layout that no longer works for how your family lives.
What it costs in Santa Ana
A full home renovation by licensed home renovation contractors in Santa Ana generally runs $14,000 – $45,000 for a kitchen or $9,000 – $28,000 for a bathroom, with whole-house scopes landing between $45,000 and $130,000 depending on square footage and discoveries.
How we do it
We start with a site assessment and permit review, then demo, reframe, rough in mechanicals, and finish with brand-specified materials, one contractor accountable for every step.
Home Renovation Companies
Signs you need it
You’ve called multiple trades and gotten conflicting schedules, mismatched quotes, and no clear answer on who’s responsible when something goes wrong.
What it costs in Santa Ana
Working with a full-scope home renovation company in Santa Ana typically costs $45,000 – $130,000 for a home addition and $90,000 – $220,000 for an ADU, with smaller scopes like cabinet installation and countertop installation landing at $4,000 – $13,000 and $2,000 – $6,500 respectively.
How we do it
We bring every trade under one roof, sequence the work around a single timeline, and give you one point of contact from the first estimate to the final walkthrough.
What Home Renovation Costs in Santa Ana
| Item | Typical range in Santa Ana |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
How much does a home renovation cost in Santa Ana?
A kitchen remodel runs $14,000 – $45,000, a bathroom $9,000 – $28,000, and a home addition $45,000 – $130,000. Final price depends on square footage, age of the home, and what’s behind the walls. Call (855) 382-0824 for a written line-item quote.
Do I need a permit for home renovation in Santa Ana?
Yes, most structural, electrical, plumbing, and exterior changes in Santa Ana require City permits, and work in historic districts like Lacy or French Park may trigger additional design review. We pull permits and manage inspections as part of the project. Call (855) 382-0824 to confirm your scope.
Brands We Service in Santa Ana
We’re authorized to install and service materials from 50+ vetted brands across roofing, windows, siding, cabinetry, countertops, plumbing fixtures, and hardscaping. In Santa Ana, that includes fencing brands like Master Halco and Jerith, with parts orderable locally and typical turnaround of one to two weeks. See our brands for the full catalog.
See the difference
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After
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AfterPricing for Remodeling Company in Santa Ana, CA
| Service | Typical range in Santa Ana |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
| Bathroom Remodel | $9,000 – $28,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
| Vinyl Fence Installation | $3,500 – $9,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
Prices in Santa Ana climb when we open a pre-1960 wall and find knob-and-tube wiring, cast-iron drains, or termite damage in original framing, especially around Lacy and French Park. We give you a fixed, written, line-item price before work starts, so there are no change orders unless you change the scope.
Neighborhoods We Serve in Santa Ana
We serve the entire city of Santa Ana, including the historic districts and the denser multi-family blocks across ZIPs 92701, 92702, 92703, and 92799. Our crews are familiar with the alley-access lots, mature street trees, and tight staging conditions that define this city.
- French Park
- Lacy
- Floral Park
- West Floral Park
- Washington Square
Response time for estimates in Santa Ana is typically 24 – 48 hours, with scheduling flexibility for weekday and Saturday walkthroughs.
Service Area – Cities Near Santa Ana
Key Step Construction also serves homeowners in Tustin, CA, North Tustin, CA, Fountain Valley, CA, and Orange, CA. If you’re just outside Santa Ana, our crews can reach your project with the same material access and single-contractor accountability.
Serving Santa Ana, CA - Our Local Coverage Area
We serve Santa Ana and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs About Remodeling Company in Santa Ana
Most Santa Ana projects start within 2 – 4 weeks of the signed contract, once permits are submitted and materials are ordered. Historic-district scopes in Lacy or French Park may add review time. Call (855) 382-0824 for a current schedule.
Yes. We’ve worked on homes in Lacy and French Park where street-visible exterior changes triggered historic-district review. We prepare the drawings, attend the reviews, and adjust the plan to meet city requirements before work begins.
We serve 92701, 92702, 92703, and 92799, covering everything from the historic core to the post-war tract neighborhoods. If you’re in one of these ZIPs, call (855) 382-0824 and we’ll confirm your address and schedule a free estimate.
What happens when you call
- 1A real person answersNo phone trees. Talk to a local construction pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you. The visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Santa Ana Customers Say
"Every inspection passed first time. The building department clearly knows him and that made the whole process easier."
- Steven Tran"Framing crew was meticulous and the walls are straight everywhere. Drywall goes on a lot better when the framing is right."
- Emily Thompson"Allowances in the contract were realistic rather than artificially low to make the bid look good."
- Dale Schaefer