A new rear addition with a vaulted beamed ceiling and tall windows
General Contractor · Bonita, CA

General Contractor in Bonita - Written Fixed-Price Quotes, Permits Handled

Free on-site estimate and a written, line-item quote before any work begins. One contract, one crew, one accountable point of contact. Licensed, insured, permits handled.

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A single-story rear room addition with tall windows and a new patio
A second-story addition that matches the existing roofline
A remodeled primary suite with built-in wardrobes and a window seat
New painted shaker cabinets with an organized deep drawer
A remodeled hall bathroom with patterned floor tile and painted walls
A remodeled staircase with wood treads and a slim metal railing
A small remodeled galley kitchen with cabinets to the ceiling
A low-threshold walk-in shower with a bench and grab bar
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Your dream remodel for as low as$199/month*On approved credit; ask for current terms
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Fast, Reliable General Contractor Across Bonita

Most Bonita homeowners calling us for the first time want to know three things: who’s coming to the house, what the work will actually cost, and how long before they can use the new space. Here’s the straight answer. You’ll get a written price before any work starts, not a verbal ballpark that drifts upward. The crew that arrives will be background-checked, uniformed, and introduced to you by name and photo before they ring the bell. And a typical kitchen or bathroom remodel in Bonita runs $9,000 to $45,000 depending on scope, finishes, and what’s hiding behind the walls. Call (803) 680-2547 to schedule a free estimate.

Call (803) 680-2547

We’ve worked enough homes off Bonita Road, along Sweetwater Road, and up toward the San Diego Country Estates edge to know that a remodel here isn’t the same job as one in Chula Vista or National City. That’s the point of this page: to walk you through what a General Contractor job in Bonita actually involves, what it costs, and what to watch for.

Why Mason Remodeling Is Bonita’s Preferred General Contractor Company

A finished backyard cottage with a small covered porch

Mason Remodeling has handled general contracting, bathroom remodeling, and whole-home projects since 2004, operating under the Threshold Group family of home-service companies. Every location holds to the Threshold Standard: every technician is background-checked, identity-verified, arrives in a clean marked uniform, shows a photo ID badge at the door, and is introduced by name and photo before the visit.

For Bonita homeowners, that matters more than in a typical suburban tract. Much of this area is unincorporated county land. Homes sit on larger lots with septic systems, wells, and long driveways. The person you let through the door needs to be someone you can verify, and they need to understand rural county permitting, not just city code. Our crews work Bonita regularly, and we coordinate scheduling from our San Diego office.

Isaac Pruett leads Mason Remodeling, and the standard he sets is simple: a written price on every project, every time, before a single tool is unpacked. No verbal estimates that grow on the final bill. No surprise invoices. If the work isn’t right within 365 days of completion, we make it right at no cost under our 365-Day Done Right Promise.

Explore

Styles & brands we work with

Kitchen remodeling
Kitchen remodeling
Bathroom remodeling
Bathroom remodeling
Home additions & ADU
Home additions & ADU
Roofing
Roofing
Windows & doors
Windows & doors
Driveway & pavers
Driveway & pavers
Fence
Fence

Remodeling Contractor in Bonita

A Remodeling Contractor in Bonita handles the scoping, permit coordination, rough-in work, and finish carpentry that turn an existing room into something different. On unincorporated Bonita lots, that often means working around septic capacity, pad-mounted utility drops, and older ranch-style framing before a single wall opens. You need someone who reads the county’s rules the way a local reads the traffic on Bonita Road: with both eyes open. Kitchen remodels here typically run $14,000 – $45,000, bathrooms $9,000 – $28,000, and cabinet installation $4,000 – $13,000.

Kitchen Scope on Ranch Homes

Bonita kitchens in 1950s and 1960s ranch houses were built for a different life. Galley layouts, one circuit for the whole room, plumbing stub-outs in odd places. Opening one up usually means moving the sink rough-in, adding dedicated appliance circuits, and sometimes sistering a load-bearing header. We quote that work explicitly, with line items, so you know what’s structural and what’s cosmetic.

Bathroom Work in Older Slabs

Many Bonita bathrooms sit on slab foundations. Moving a drain means cutting concrete, not just dropping a line through floor joists. That’s a real cost driver, and it’s why honest bids for the same bathroom can differ by thousands. We write it out: jackhammer scope, new P-trap, patched slab, waterproofing, tile.

Licensed General Contractor in Bonita

A wide opening with a new beam where the kitchen wall was removed

A Licensed General Contractor in Bonita is the party who pulls permits, schedules inspections, and carries the job from demo to final sign-off. In unincorporated San Diego County, that’s not paperwork theater. County inspectors come out for rough electrical, plumbing, and structural changes, and a missed inspection can stall a project for a week. We pull the permits, name them in your written scope, and pass inspection before closing drywall. Home additions in Bonita run $45,000 – $130,000; ADU construction runs $90,000 – $220,000.

Permit and Inspection Handling

We know which Bonita work triggers a county review and which doesn’t. Moving a sink to an opposite wall? Permit. Swapping cabinets in place? Usually not. We’ll tell you plainly in the estimate what’s permitted and why, and we never skip a required permit to make a bid look cheaper. Skipped permits surface at resale, and unpermitted rough-in behind closed walls is a deal-killer in this market.

Septic and Well Considerations

Adding a bedroom, a bathroom, or an ADU on a Bonita property with septic can require a septic system capacity review. The county may ask for a perc test or tank inspection before approving the addition. That adds time and cost, and we factor it into the schedule honestly rather than discovering it mid-project.

Trusted Brands We Service in Bonita

Bonita homeowners shouldn’t have to drive to a big-box store and guess at cabinet or countertop quality. We work with specification-grade material partners including KraftMaid and Wellborn cabinetry, Cambria and Silestone surfaces, and Kohler, Moen, and Toto fixtures. For roofing, we run GAF and CertainTeed. That means vetted, professional-grade products in one place, and our crews know how they perform in Bonita’s climate. We also service homes built or remodeled with systems from Abodu and Cover, two companies whose panelized builds appear in Southern California backyards and add complexity when you’re altering a foundation or tying in utilities.

Before & after

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Recent Project
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Full Restoration
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Complete Upgrade

Common General Contractor Problems We See in Bonita Homes

  • Lump-sum bids with no written scope of work. A verbal number sounds fine until the first change order. We see Bonita kitchens and baths where the homeowner thought the quote covered plumbing rough-in, but it didn’t. You get a written line-item scope from us before signing, and allowances are named explicitly.
  • Skipped permits on unincorporated work. Because much of Bonita sits outside Chula Vista’s city permitting system, some contractors roll the dice. Later, a sale stalls when the county finds unpermitted rough-in behind closed walls. We pull permits when the job requires them, and we’ll say so in the contract.
  • Scheduling built for tract homes, not rural lots. A Bonita job site on a long driveway with septic setbacks and a slower county inspection calendar doesn’t move like a National City in-fill lot. We schedule for reality: material deliveries, inspector availability, and weather around the Sweetwater River valley.
  • Moisture trapped under old tile. Bonita’s cool marine layer and older slab homes create a pattern we see regularly: tile adhered directly to slab that trapped moisture for decades. When we open a bathroom floor off Sweetwater Road, we check for subfloor rot and corrosion before laying new tile.

On a ranch-style home off Bonita Road near the San Diego Country Estates edge, we opened a galley kitchen for a full remodel. We relocated the rough-in for the sink and range, sistered a load-bearing header, and rebuilt the subfloor where old tile had trapped moisture. The client chose KraftMaid cabinetry with a Cambria quartz top, and because the powder bath shared the wall, we pulled two permits and passed inspection sign-off before closing the drywall. That’s how a Bonita remodel should run: scoped, sequenced, and signed off.

Pricing for General Contractor in Bonita, CA

Here’s what Bonita homeowners can expect to pay for the most common projects. These ranges reflect local labor, county permit fees, and the reality of working on older ranch homes and larger rural lots.

Project Bonita Price Range
Kitchen Remodel $14,000 – $45,000
Bathroom Remodel $9,000 – $28,000
Cabinet Installation $4,000 – $13,000
Home Addition $45,000 – $130,000
ADU Construction $90,000 – $220,000

What moves a Bonita kitchen from $14,000 toward $45,000 is straightforward: moving plumbing rough-in, adding circuits, structural header work, and the finish level you choose. Cambria quartz costs more than a standard laminate, and it should. We deliver a written price before work begins, with allowances spelled out, so the number you sign is the number you’re comparing. Call (803) 680-2547 for a free estimate.

We Also Serve Cities Near Bonita

Beyond Bonita, Mason Remodeling crews work regularly in Bonita and the surrounding communities: National City, Chula Vista, Lemon Grove, and Spring Valley. If your project is in one of those areas, the same written-price standard and background-checked crews apply.

Serving Bonita, CA - Our Local Coverage Area

We’re based in the Bonita 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 Bonita

Why Bonita Chooses Mason Remodeling

We set the standard for general contractor in Bonita.

No Change-Order Surprises

The written quote you sign is the price you pay. Anything we find mid-job gets priced and approved by you in writing before we touch it.

Licensed & Insured

Fully certified technicians who meet all local and state licensing requirements.

Upfront Pricing

No hidden fees, no surprises. You approve the price before any work begins.

Guaranteed Work

Every repair and installation is backed by our workmanship warranty and satisfaction guarantee.

How It Works in Bonita

Getting your general contractor handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your general contractor needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Bonita - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local general contractor pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Bonita Customers Say

Trusted by homeowners across Bonita and surrounding areas.

★★★★★

"Great quality tile work. The countertop template slipped by a week, but the project lead explained and kept us updated."

Susan Y. · Verified customer
★★★★★

"Basement refinish with egress window. Drywall finish is smooth and the electrician was tidy."

Kyle S. · Verified customer
★★★★★

"Written scope, fixed price, and weekly updates. No change orders we hadn't agreed to."

Carlos H. · Verified customer

Ideas for every room in the house

Built-ins, window seats, family rooms and staircases: the changes that make a whole house work better.

Read our remodeling guides
A remodeled primary bathroom with a soaking tub and walk-in showerA remodeled living room with built-in shelves around the fireplaceAn open kitchen and dining area after a remodelA freestanding soaking tub in a remodeled primary bathroomA whole-home remodel with the living, dining and kitchen areas opened upA galley kitchen opened up to the dining room with a new peninsula

More remodeling services in Bonita

Every project below starts the same way: a free on-site visit and a written price.

Getting started with Mason

Every project starts with a conversation and a written price. Here is how to take the first step.

A project lead measuring a kitchen with the homeowner during a free estimate

Free on-site estimate

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What we promise on every job, written down, with the terms spelled out before any work starts.

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