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 Garden Grove
When you’re planning a kitchen remodel, room addition, or garage conversion in Garden Grove, the question isn’t whether the project will uncover surprises. It’s whether your contractor knows what those surprises usually are here. In the 92840 and 92843 tracts especially, we open walls on 1950s and 1960s tract homes and routinely find unpermitted garage conversions, aging galvanized plumbing, and electrical panels that were never meant to carry a modern load. We’ve worked through enough of these to handle them without drama. Call (855) 901-7266 and we’ll walk your property before you commit to anything.
Why San Mateo Construction Is Garden Grove’s Preferred General Contractor Company
We’ve spent years working in Garden Grove’s specific housing stock: single-story stucco tract homes on tight lots, most built between the 1950s and 1970s. That’s not a detail. It’s the whole job. These homes share a set of recurring issues – shallow slab-on-grade foundations, original single-pane aluminum windows, and decades of homeowner modifications that didn’t always go through the city. Reviews from Garden Grove customers consistently mention the same thing: we don’t flinch when a wall comes down and the framing looks different from the plan.
Our response time to Garden Grove neighborhoods is straightforward. We schedule site visits within a few business days, and we show up with the person who will actually manage your project, not a sales rep. Noel Carrington leads the company and stays involved in the pre-construction inspection phase, because that’s where money gets saved or lost. When you know what’s behind the drywall before you sign, the contract actually means something.
Local knowledge matters here because Garden Grove’s permit history is unusually complex. The city has seen decades of informal garage conversions, particularly in older tracts, and the building department has its own expectations for legalizing that work. We’ve navigated those conversations. That’s the difference between a contractor who works in Garden Grove and one who happens to drive there.
Styles & brands we work with







General Contractor Services in Garden Grove
General Contractor Services in Garden Grove means managing the full sequence of a remodel or addition: demolition, rough-in, framing, mechanicals, finishes, and the final inspection. It’s the coordination work that eats weekends and budgets when it’s not handled by one accountable team. For Garden Grove homeowners, the typical projects we run are kitchen remodels, bathroom remodels, full home renovations, and the room additions that make a small tract home work for a growing or multi-generational household.
Kitchen and Bath Remodeling
A full kitchen remodel in Garden Grove generally lands between $14,000 and $45,000, depending on cabinetry grade, countertop material, and how much wall movement is involved. Bathrooms run $9,000 to $28,000. What moves the number here isn’t usually the finishes. It’s what we find when we open the wall: outdated wiring that has to come up to code, water-damaged framing from old leaks, or plumbing that needs a full repipe rather than a patch.

Additions and Garage Conversions
Home additions in Garden Grove run $45,000 to $130,000, and garage conversions typically fall between $30,000 and $80,000. The wide range reflects what the lot and the existing structure allow. Small lots mean tight setbacks, and older foundations sometimes need structural review before we can tie a new addition into them. We handle that engineering coordination as part of the contract, not as a separate headache for you.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
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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.
Construction Company in Garden Grove
Construction Company work in Garden Grove is second-generation by default. There’s almost no undeveloped land left in this city, so nearly every project is a tear-out, an addition, an ADU conversion, or a remodel-by-remodel upgrade of postwar housing. That shapes how we bid and build. We’re not clearing raw dirt. We’re working inside occupied lots, managing demolition access on streets built for narrower vehicles, and protecting the part of your house you’re keeping while we rebuild the part you’re changing.
ADU Construction
ADU construction in Garden Grove runs $90,000 to $220,000. The city’s large multi-generational household base means these projects often aren’t rental plays. They’re housing for parents, adult children, or extended family. We work with prefab manufacturers like Abodu and Dvele where the site allows crane access, and we do stick-built ADUs where setbacks make prefab impractical. Either way, the permit path matters, and we manage it start to finish.
Whole Home Renovations
When a Garden Grove homeowner decides to renovate the whole house rather than move, the scope usually touches everything from the roof to the foundation. That means re-roofing with GAF or Owens Corning materials, replacing single-pane windows with PGT or CGI impact-rated units, and rebuilding the kitchen and baths. We carry the full scope under one contract. One license, one schedule, one person to call when a question comes up.
Trusted Brands We Service in Garden Grove
We maintain direct relationships with manufacturers across every home system, so when we’re in a Garden Grove home we’re not guessing at material availability. For roofing, that includes GAF, Owens Corning, CertainTeed, and Tamko. For windows and doors in Garden Grove’s older tracts, PGT and CGI impact-rated lines are common choices, particularly for west-facing walls that take the afternoon sun and Santa Ana wind. We don’t stock every brand for every job. We pull what the project calls for, and if a manufacturer has a supply delay, we tell you before framing starts, not after the cabinets are ordered.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Garden Grove Homes
- Unpermitted garage conversions in 92840 and 92843. Decades ago, many homeowners enclosed garages into extra living space without pulling permits. When we pull a permit for a new remodel, the city often requires that old work to be legalized before the new scope gets approved.
- Outdated wiring and undersized subpanels. 1950s and 1960s tract homes were built for a different electrical era. Opening a kitchen or bath wall frequently reveals cloth-insulated wiring or panels that can’t support modern appliance loads.
- Aging galvanized and early copper plumbing. Galvanized pipes corrode from the inside, and early copper can develop pinholes. A remodel is often the right moment to repipe, and we write that possibility into the allowance structure rather than springing it as a surprise change order.
- Failed waterproofing at stucco and slab edges. Garden Grove’s occasional heavy winter rains expose grading and drainage problems on flat, small lots. Additions and exterior remodels need proper flashing and grade work, or water finds the slab edge.
Pricing for General Contractor in Garden Grove, CA
Here’s what we’re seeing in Garden Grove’s market right now. These are real planning numbers, not teaser bids. A kitchen remodel runs $14,000 to $45,000, bathrooms $9,000 to $28,000, home additions $45,000 to $130,000, ADUs $90,000 to $220,000, and garage conversions $30,000 to $80,000.
| Project Type | Garden Grove 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 |
| Garage Conversion | $30,000 – $80,000 |
What moves a bid up or down in Garden Grove is what we find behind the walls and under the slab. We handle that with inspection first, allowances second, and a written change order process that prices any surprise before we touch it. You’ll see the number before we spend it. Call (855) 901-7266 and we’ll give you a line-item estimate free.
We Also Serve Cities Near Garden Grove
Our service area extends beyond Garden Grove to the surrounding communities. We handle projects in Garden Grove neighborhoods and also work regularly in Stanton, Westminster, Midway City, and Cypress. If you’re a homeowner in any of these cities and need a General Contractor who understands older Southern California housing stock, call us at (855) 901-7266.
Serving Garden Grove, CA — Our Local Coverage Area
We’re based in the Garden Grove 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 Garden Grove
We pause work, document what we found, and bring it to you before any new work continues. From there we work with the Garden Grove building department to legalize the existing work, which usually means pulling as-built drawings and opening the right parts of the wall for inspection. The legalization gets priced as a written change order so you approve it before we spend a dollar on it. Call (855) 901-7266 if you want to walk your property with us before a remodel starts.
Yes. We pull the permit, schedule the inspections, and manage the legalization process if the conversion was done previously without one. In the 92840 and 92843 ZIPs, we regularly deal with garages that were converted decades ago, so this is familiar territory for our team. The key is doing the pre-inspection before demolition so the permit path is clear from day one.
We write specific allowances for rough-in and framing repairs into every contract, and we do a pre-construction inspection before we give you a final number. If we find outdated wiring, undersized framing, or unpermitted work, you hear about it before the contract is signed, not after the wall is open. Any discovery during construction gets priced and approved in writing before work continues. Call (855) 901-7266 for a free estimate line-itemed to your actual house, not a template.
Expect us in your attic, under your house if there’s a crawl space, and at your electrical panel. We’re checking the structure, the foundation, the plumbing, and the wiring so the addition ties into what’s actually there. In Garden Grove’s older tracts, this inspection frequently uncovers conditions that change the permit path, so we’d rather find them before demolition than after. The inspection is part of our estimate process.
Yes. Garden Grove has a large Vietnamese-American homeowner community, and many of the additions we build are multi-generational: extra bedrooms, second kitchens, or family rooms for parents and adult children. We coordinate bilingual communication on the job site and can structure the project around culturally specific build-outs, including home-based food businesses and shrine or altar rooms.
We’re a licensed general contractor serving the whole of Garden Grove, including ZIPs 92842, 92843, 92844, and 92845. One call gets you a straight answer about what your project will cost and what’s likely hiding behind the walls. Call San Mateo Construction at (855) 901-7266 to schedule your free estimate.
Written by Noel Carrington, Owner at San Mateo Construction, serving Garden Grove since 2010.