A Mason company - serving West Covina, CA
A new rear addition with a vaulted beamed ceiling and tall windows
General Contractor · West Covina, CA

General Contractor in West Covina - 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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Free Estimate on SiteCalls Answered by a Live Person, 24/7Background-Checked TechniciansA Local Team in West Covina
A wide opening with a new beam where the kitchen wall was removed
A garage converted into a guest room and home office
A wood double vanity with two mirrors after a bathroom remodel
An open living space after a whole-home remodel
A remodeled kitchen with painted cabinets and a farmhouse sink
A remodeled primary bathroom with a soaking tub and walk-in shower
A remodeled living room with built-in shelves around the fireplace
An open kitchen and dining area after a remodel
Every visit starts with

Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled

Your dream remodel for as low as$199/month*On approved credit; ask for current terms
Get your free estimate

Trusted General Contractor for West Covina Homeowners

Hiring a general contractor in West Covina means handing your house keys, your budget, and your daily routine to someone you may have never met. That’s a big ask, and you should know exactly who is walking through your door before you commit. Mason Remodeling Co West Covina has handled kitchen remodels, bathroom renovations, and whole-home projects across the San Gabriel Valley since 2004, and every job starts the same way: a written price before any work begins, a named and photo-verified crew, and a 365-Day Done Right Promise in writing. Call (707) 760-7579 to talk through your project with a real person, any hour of any day.

Call (707) 760-7579

Key Takeaways

  • A general contractor in West Covina typically charges $9,000 – $45,000 for most kitchen and bath remodels; whole-home additions run $45,000 – $130,000.
  • Every Mason Remodeling project gets a written price before a single tool is unpacked. No verbal estimates that grow later.
  • Every crew member is background-checked, wears a marked uniform, and arrives with a photo ID badge. You get their name and photo before the visit.
  • The 365-Day Done Right Promise covers workmanship for a full year from the completion date, in writing.
  • Isaac Pruett leads the West Covina team, and a live person answers the phone 24/7/365.

Construction Company

A finished backyard cottage with a small covered porch

A construction company is the entity that carries your project from plans and permits to the final walkthrough, coordinating every trade, inspection, and material delivery along the way. You need a West Covina General Contractor when a job involves structural changes, multiple subcontractors, or anything that requires a building permit from the City of West Covina. Mason Remodeling Co West Covina operates as a full-service construction company, which means we handle scheduling, code compliance, material procurement, and on-site supervision so you don’t have to chase down an electrician one week and a plumber the next. Kitchen remodels here run $14,000 – $45,000, bathroom remodels $9,000 – $28,000, and a home addition sits between $45,000 and $130,000 depending on scope and finishes.

Single Point of Accountability

When you hire a construction company rather than juggling individual subcontractors yourself, one call gets every question answered. If a tile setter is delayed or a cabinet order arrives short, that’s our problem to solve, not yours to chase. Isaac Pruett and the Mason Remodeling team manage the schedule so completion dates don’t drift quietly into next season.

Permit and Inspection Handling

West Covina’s building department has specific submittal requirements for structural work, and we pull permits, schedule inspections, and close them out as part of every permitted project. A construction company that skips this step leaves you with unpermitted work that can surface at resale. We’d rather do it right the first time and hand you the paperwork to prove it.

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

A remodeling contractor specializes in transforming existing spaces rather than building from the ground up, which means working around your current plumbing, wiring, and framing without damaging what doesn’t need to change. You need one when your kitchen layout no longer works, your bathroom feels like a time capsule from 1987, or you want to open up a wall without compromising the structure. Mason Remodeling Co West Covina has remodeled homes throughout West Covina, Walnut, and La Puente since 2004, delivering a written price on every project before any work starts. Expect a small bathroom remodel to run $5,000 – $12,000, a walk-in shower installation $4,500 – $12,000, and a full kitchen remodel $14,000 – $45,000 depending on cabinet grade, countertop selection, and layout changes.

Working With Existing Conditions

Older West Covina homes, especially the mid-century ranches south of the 10, hide surprises behind their walls: cast-iron drain lines, undersized electrical panels, or headers that aren’t where the plans say they are. A good remodeling contractor finds these before they derail the schedule, and prices them into the written estimate so the final invoice matches what you agreed to. That’s the standard we’ve held since 2004.

Material Selection Without Guesswork

We carry specification-grade partnerships with KraftMaid and Wellborn for cabinetry, Cambria and Silestone for countertops, and Kohler and Moen for fixtures. That means you’re choosing from vetted, professional-grade product lines, not whatever the big-box store had on the shelf last week. Your written price reflects the exact materials you pick, down to the model number.

Licensed General Contractor

A single-story rear room addition with tall windows and a new patio

A licensed general contractor holds the required state credential to perform construction work in California and is accountable to the Contractors State License Board, which means you have recourse if something goes sideways. You need one for any project that involves structural modification, additions, or work that must pass city inspection in West Covina. Mason Remodeling Co West Covina operates under Threshold Verified standards, which means every technician is background-checked, identity-verified, and arrives in a clean marked uniform with a photo ID badge before setting foot in your home. Additions range from $45,000 to $130,000, garage conversions $30,000 – $80,000, and ADU construction $90,000 – $220,000, all with a written price delivered before work begins.

Why Licensing Matters in West Covina

West Covina’s hillside lots, especially up into South Hills, present drainage and slope issues that an unlicensed operator simply isn’t qualified to address. A licensed contractor knows when a retaining wall needs engineering and when a simple swale will do. Skipping that expertise can cost you far more than the project itself when winter rains arrive.

Written Guarantee That States Its Terms

Every Mason Remodeling project comes with a written guarantee that spells out exactly what is covered, what is excluded, and for how long – 365 days from the completion date. If a repair or installation fails within that window, we return at no charge. No dispute process, no conditions, no fine print surprise.

Residential General Contractor

A residential general contractor focuses on homes rather than commercial or industrial buildings, which means understanding how families actually live: naptime noise concerns, keeping the kitchen functional during construction, and protecting flooring from boot traffic. You need one for any project on your primary residence, from a backsplash installation to a second-story addition. Mason Remodeling Co West Covina has served residential clients in West Covina, Covina, and Azusa since 2004, with a process built around minimizing disruption. A paver patio installation runs $3,500 – $11,000, a vinyl fence $3,500 – $9,000, and a full home remodel can range widely based on square footage and finish level, always priced in writing before work starts.

Family-Safe Job Sites

The Threshold Standard exists because inviting a residential crew into your home is a safety decision, not a formality. Our technicians wear clean uniforms, display photo ID badges at the door, and are introduced to you by name and photo before the visit. If you’re home alone with young children or an aging parent, that verification matters. It’s built into how we operate, not sold as an upgrade.

Dust Control and Daily Cleanup

A residential project shouldn’t leave your home looking like a demolition site every evening. We contain work areas with plastic barriers, protect floors with ram board, and clean the path from the front door to the work zone daily. It’s a simple discipline that makes living through a remodel far less exhausting.

Hire a General Contractor

A second-story addition that matches the existing roofline

You hire a general contractor to own the outcome, not just the labor – someone who manages the schedule, the budget, the subs, the permits, and the inevitable surprises without passing stress down to you. You need one the moment a project involves more than one trade or anything structural, because coordinating that yourself rarely saves money and almost always costs time. Mason Remodeling Co West Covina has delivered general contracting for kitchens, baths, and whole-home remodels since 2004, always with a written price before work begins, following a General Contractor Maintenance Checklist for West Covina Homeowners on every project. A tub-to-shower conversion typically runs $3,500 – $10,000, a shower replacement $3,000 – $8,500, and a driveway replacement $5,000 – $14,000 in West Covina, depending on existing conditions and material choices.

Questions to Ask Before You Sign

Ask who will actually be on-site each day and how you’ll recognize them. Ask whether the price is written and fixed before work begins. Ask what the warranty covers, for how long, and what the process is if something fails. If a contractor can’t answer those plainly, keep looking. We answer all three in writing, every time.

Red Flags That Cost You Later

A verbal estimate that “should hold,” crews that change without explanation, a request for a large deposit before any planning or permitting work – these are signs you’re hiring trouble. Mason Remodeling’s written price is delivered before work starts and never waived, not as a promotion, not as a favor. That’s the standard since 2004, led by Isaac Pruett and the West Covina team.

General Contractor Services

General contractor services cover the full span of residential construction work: demolition, rough carpentry, plumbing and electrical coordination, drywall, painting, cabinetry installation, tile work, flooring, and finish carpentry. You need them whenever a project crosses trade lines or requires a permit, which describes nearly every meaningful home improvement. Mason Remodeling Co West Covina provides these services under one roof, with one written price and one accountable team rather than a rotating cast of bids. Cabinet installation runs $4,000 – $13,000, countertop installation $2,000 – $6,500, and backsplash installation $800 – $2,500 in West Covina, depending on scope and material grade.

Kitchen and Bath Remodeling

These are the two rooms that sell homes and make daily life better, and they’re where we spend most of our time. A kitchen remodel in West Covina runs $14,000 – $45,000 depending on whether you’re keeping the existing footprint or moving plumbing and walls. A bathroom remodel ranges $9,000 – $28,000, with small bathrooms starting around $5,000. In South Hills neighborhoods like Wildwood and Woodside, we regularly see kitchens with load-bearing walls that need beam work, and we engineer those into the written estimate up front.

Kitchen and Bath Remodeling

Additions and ADUs

West Covina’s lot sizes, especially in the older neighborhoods north of the 10 freeway, leave many homeowners with space but no square footage. A home addition runs $45,000 – $130,000, and an ADU construction project ranges $90,000 – $220,000 depending on size, foundation type, and utility connections. We handle the full permit path, from plan check through final inspection.

Additions and ADUs
Need help today?Fast, friendly service and a no-obligation free estimate.

Call (707) 760-7579

What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service

We work with specific brands because quality control starts at the material level, not just the labor level. On cabinetry projects, we specify and install KraftMaid and Wellborn lines regularly – both offer solid construction and predictable lead times, which keeps your project from sitting idle waiting on boxes. We know their hardware, their door profiles, and their installation tolerances. For countertops and surfaces, we work with Cambria, Silestone, and Caesarstone, and we understand how each material behaves differently with heat, staining, and edge profiles.

On fixture-driven bathroom work, we install Kohler, Moen, Toto, and Grohe products, and we know which valve bodies and trim kits are compatible before we open the wall. For roofing, we’re experienced with GAF, CertainTeed, and Owens Corning systems, including their warranty requirements. And for hardscaping, we work with Belgard, Unilock, and Techo-Bloc pavers. Whether you have a brand preference or want us to recommend the right product for your budget, the written price covers exactly what we’ll install, by name and model number.

Before & after

See the difference

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Signs You Need a Pro Right Now

  • Water stains on ceilings or walls. In West Covina’s older housing stock, a stain often means a slow plumbing leak or roof penetration that’s been active for weeks. The longer it sits, the more framing and drywall you’re replacing, which pushes a $400 repair toward a $9,000 remodel.
  • Tile cracks appearing in a straight line. Cracks that follow a pattern often point to slab movement or a settling foundation, especially on the hillside lots up into South Hills. A licensed general contractor can tell you whether it’s cosmetic or structural before you spend money on the wrong fix.
  • Doors that stick or won’t latch. A door that suddenly won’t close can indicate foundation shifting or moisture swelling in the framing. Ignoring it doesn’t make it cheaper. Getting a professional assessment early usually saves thousands.
  • Visible mold or mildew inside cabinets or behind appliances. Homes in the San Gabriel Valley deal with seasonal humidity, and a hidden leak inside a vanity or under a sink breeds mold fast. That’s a health issue for your family and a structural issue for your home, not something to spray and forget.
  • Electrical flicker or outlets that feel warm. Warm outlets are a fire hazard, and flickering can mean an overloaded circuit in a mid-century home never designed for modern loads. Call a licensed general contractor to coordinate the electrical upgrade before you plug in one more space heater.

Our Process, Step by Step

  1. 1
    Initial call and project scoping. You reach us any hour of the day or night at (707) 760-7579. A live person answers, asks about your project, and schedules an on-site visit at a time that works for you. We’ll ask about your goals, your timeline, and any specific materials or brands you like.
  2. 2
    On-site assessment and measurement. Isaac Pruett or a senior team member walks your property, takes measurements, checks existing conditions, and identifies anything that could affect price – plumbing locations, electrical service, framing conditions, drainage. This is where we catch the surprises other contractors price into change orders later.
  3. 3
    Written price delivered. Within days of the assessment, you receive a line-item written price covering labor, materials, permits, and any known conditions we found during the walkthrough. No verbal ballpark, no “we’ll figure it out as we go.” You see every number before you sign anything.
  4. 4
    Scheduling and crew introduction. We set a start date, and before that date you receive the name and photo of every technician assigned to your project. On arrival, each crew member shows a photo ID badge at the door and is in a clean marked uniform. You always know exactly who is in your home.
  5. 5
    Construction, inspection, and final walkthrough. We build to code, coordinate inspections with the City of West Covina, and keep the job site clean daily. When the work is done, we walk the project with you, confirm everything matches the written scope, and hand you your written guarantee covering 365 days from completion.

How Much Does General Contractor Cost in West Covina?

General contractor pricing in West Covina depends on the scope, but you can plan against these ranges: a kitchen remodel runs $14,000 – $45,000, with small kitchens starting around $9,000 and reaching about $20,000. Bathroom remodels run $9,000 – $28,000, small bathrooms $5,000 – $12,000, and a walk-in shower installation $4,500 – $12,000. For exterior work, expect a paver patio at $3,500 – $11,000, a paver driveway at $7,000 – $18,000, and a vinyl fence at $3,500 – $9,000. Larger structural projects scale accordingly: a home addition runs $45,000 – $130,000, a garage conversion $30,000 – $80,000, and an ADU $90,000 – $220,000 in the West Covina market.

What moves the number? Material grade is the biggest lever – a KraftMaid cabinet package costs differently than Wellborn, and a Cambria countertop prices differently than Silestone. Existing conditions are second: older West Covina homes often need electrical panel upgrades or plumbing replacements that newer builds don’t. Permitting and engineering for hillside lots add cost too. To avoid overpaying, get a written line-item price before work starts and reject any contractor who won’t commit one to paper. Our free estimate includes the full written price, so you can see every dollar before you decide. Call (707) 760-7579 to schedule yours.

Our Service Area Near West Covina

We serve West Covina and the surrounding San Gabriel Valley communities: Walnut, La Puente, La Habra, La Verne, Glendora, Azusa, Duarte, Valinda, and West Whittier-Los Nietos. If you’re in Pomona or San Dimas, our general contractor team in Pomona and general contractor team in San Dimas cover those areas directly. Most assessments in West Covina are scheduled within a few days of your call, and we work around your availability – mornings, evenings, and weekends included. Check out our home page for the full scope of services across the region.

Serving West Covina, CA - Our Local Coverage Area

We’re based in the West Covina area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.

Frequently Asked Questions About General Contractor in West Covina

Schedule Your General Contractor Service in West Covina Today

You deserve a contractor who shows up verified, prices the work in writing, and backs it for a full year. That’s what Mason Remodeling Co West Covina has delivered since 2004 under Isaac Pruett’s leadership. Call (707) 760-7579 to schedule your free estimate – a live person answers any hour, every day of the year.

Written by Isaac Pruett, Owner at Mason Remodeling Co West Covina, serving West Covina since 2004.

Why West Covina Chooses Mason Remodeling Co West Covina

We set the standard for general contractor in West Covina.

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 West Covina

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 West Covina - 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 West Covina Customers Say

Trusted by homeowners across West Covina and surrounding areas.

★★★★★

"Opened up the wall between kitchen and dining room. They handled the beam and permit and the floor transitions look seamless."

Wendy A. · Verified customer
★★★★★

"Kitchen remodel with new cabinets, quartz counters, and a tile backsplash. Crew had ID and were background checked. Kept the work area clean and sealed off dust from the rest of the house."

Janice D. · Verified customer
★★★★★

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

Kyle S. · 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 laundry and mudroom with a bench, cubbies and painted cabinetsA built-in window seat in a bay windowA dining nook with a built-in banquetteA home office with a built-in desk and shelvesA remodeled kitchen with a waterfall island and wood cabinetsA freestanding soaking tub in a remodeled primary bathroom

Explore more remodels

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

Getting started with Mason in West Covina

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

A project lead walks the job with you, measures it and hands you a written, line-item price. No obligation.

Book an estimate
A remodeling crew arriving at a home with lumber and tools

Your West Covina team

A local crew that works across West Covina and the towns around it, to the same written standard as every Mason location.

Areas we serve
A worker laying floor protection and a dust barrier before work starts

Read our written promise

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

Our promise

Ready for General Contractor in West Covina?

Call now for a free estimate - or request one below. Licensed, insured, and here with fast after-hours help in West Covina.

(707) 760-7579

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