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

General Contractor in San Marcos - 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 second-story addition that matches the existing roofline
A wide opening with a new beam where the kitchen wall was removed
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
A finished basement family room with a media wall and wet bar
A walk-in pantry with wood shelving
A powder room with botanical wallpaper and a stone sink
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
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Fast, Reliable General Contractor Across San Marcos

A general contractor in San Marcos manages your remodel or addition from first measurement to final inspection, holding the subcontractor schedule, the permit paperwork, and the budget in one place. Most kitchen remodels here run $14,000 to $45,000, bathrooms $9,000 to $28,000, and a full home addition $45,000 to $130,000. What separates a good GC from a bad one in this city is simple: who shows up, what’s in writing, and whether the job clears HOA and city review without stopping mid-demolition. Call (803) 680-2547 and we’ll scope your project honestly.

Call (803) 680-2547

Why Mason Remodeling Is San Marcos’s Preferred General Contractor Company

A finished backyard cottage with a small covered porch

We’ve worked in enough San Marcos homes to know the rhythm of this city’s building process. Not the generic version of it. The specific one, where a planned community’s architectural committee reviews your exterior changes before the city will even look at your permit, and where a warm inland summer means roofing and window specs get chosen differently than they would be three miles west in Carlsbad. Our General Contractor team writes allowances that are fixed to specific brands and models before you sign, so a KraftMaid cabinet line or a Cambria quartz slab doesn’t become a surprise change order later.

Isaac Pruett runs our projects with a straightforward rule: every crew member who steps onto your property is background-checked, identity-verified, and introduced to you by name and photo before arrival. That’s the Threshold Standard we follow on every job, whether it’s a kitchen in Lake San Marcos or a room addition near San Elijo Hills. A written price lands in your hands before any tool is unpacked. No verbal estimate that grows into something unrecognizable at the final bill.

Every completed project carries a written guarantee with plain terms: coverage, exclusions, and duration spelled out for 365 days from the completion date. If something isn’t right inside that year, we return and make it right at no cost. No dispute process, no conditions, no “let’s talk about what might have caused 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

General Contractor Services in San Marcos

General Contractor Services throughout San Marcos cover the full sequence of a residential project: measurement and scope, structural verification, material selection with fixed allowances, permit submission through the city of San Marcos plan-check process, demolition, rough-in, finish work, and final inspection. Homeowners call us when a job is too large for a single trade to coordinate, or when the thought of managing plumbers, electricians, framers, and the city’s inspection calendar at the same time feels like a second job.

What you’ll spend depends on what the house gives us. A 1990s frame in the Santa Fe Hills area behaves differently than a newer build in San Elijo Hills when we open walls, run new electrical, or sister joists. The range is real: kitchens $14,000 to $45,000, bathrooms $9,000 to $28,000. We don’t quote below the floor to win the job and then “discover” conditions later. The scope you sign is the scope we build.

Kitchen and Bath Remodels

A San Marcos kitchen remodel usually means new cabinetry, countertops, backsplash, flooring, and often a layout change that involves moving plumbing or electrical. Bath remodels range from a straightforward tub-to-shower conversion to a full gut with new waterproofing and a curbless walk-in shower. Both jobs require city permits when plumbing or electrical moves, and both benefit from a written scope that names specific finishes, not vague “allowance” line items.

Kitchen and Bath Remodels

Additions and Whole Home Work

Room additions in San Marcos run $45,000 to $130,000 because they involve foundation, framing, roofing, and usually a new electrical subpanel. Whole home remodels are larger in scope and cost more per square foot than single-room work, but they let us fix the house’s systems once instead of patching them room by room. Both require stamped drawings and a clear construction calendar before demolition starts.

Additions and Whole Home Work
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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.

Construction Company in San Marcos

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

A construction company working in San Marcos has to account for two review layers that don’t exist in most unincorporated parts of the county: the city’s plan-check and inspection sequence, and the HOA architectural committee that governs a large share of the city’s housing. Exterior work such as roofing, window replacement, fencing, and driveway changes often triggers HOA review before the city will issue a permit. Interior remodels sometimes do too, especially when the changes alter window profiles, exterior paint, or anything visible from the street.

We sequence the paperwork before the sledgehammer. Stamped plans first. HOA approval where required. City permit second. Demolition third. A contractor who treats plan-check as a formality is the reason jobs stall mid-demo with a half-gutted kitchen and no inspection scheduled. We don’t do that. You’ll know exactly where your project stands, and what sign-off comes next, the entire time we’re on your property.

Permit-Ready Project Management

We handle the full plan submission to San Marcos’s building division, coordinate any required revisions, and schedule every inspection from rough framing through final. A written change order process means if something in the wall doesn’t match the drawing, you’ll see the cost and the reason in writing before we adjust anything. Free return visit if any repair or installation fails inside the warranty year.

Fixed Scope, Fixed Allowance Discipline

Loose allowances are the most common reason a San Marcos remodel’s final bill exceeds the contract. We fix allowances to specific manufacturers and models in the written scope: KraftMaid or Wellborn for cabinetry, Cambria or Silestone for surfaces, Kohler or Moen for fixtures. When the finish is selected before construction begins, the draw schedule holds and the final invoice matches what you signed.

Trusted Brands We Service in San Marcos

In San Marcos we work with specification-grade product lines that hold up to inland heat and daily use, from GAF and CertainTeed roofing to Belgard and Unilock hardscape. Our cabinetry partnerships with KraftMaid and Wellborn mean we can order replacement doors, drawer fronts, or full cabinet sets quickly for San Marcos customers. We also maintain working relationships with Cambria, Silestone, and Caesarstone for countertops, and Kohler and Moen for plumbing fixtures. You’re not limited to whatever a showroom happens to stock. You choose from vetted, professional-grade lines that professionals actually install, and we handle the ordering, delivery schedule, and installation. We also work on homes that use prefabricated systems from companies like Dvele and Abodu, which are becoming more common in San Marcos as ADU construction grows. If your project involves one of these systems, we coordinate the site work, foundation, utilities, and the city’s inspection requirements around the prefab delivery schedule.

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

Common General Contractor Problems We See in San Marcos Homes

  • HOA architectural review is skipped or discovered late. A large share of San Marcos housing sits in HOA-governed planned communities, so exterior changes like roofing, windows, fencing, and paint colors must clear architectural committee review before a city permit issues. We begin the HOA documentation at contract signing, not after the materials arrive.
  • Plan-check is treated as a rubber stamp. San Marcos’s building division reviews stamped drawings before issuing a permit, and the comments that come back can change structural details. A contractor who starts rough-in before the permit is actually in hand is gambling with your house. We sequence permits before demolition, every time.
  • Inland heat gets ignored in material specs. San Marcos sits in an inland valley where summer temperatures run higher than the coast, and roofing, window glazing, and exterior finishes need to be specified for that heat load. A quote written for mild coastal conditions will get revised after permitting. We factor in the city’s real climate from the first material takeoff.
  • Loose allowances become surprise change orders. When the contract says “cabinet allowance” without naming a manufacturer and line, the finish selection becomes a moving target. We write allowances fixed to specific brands and models, so you see the actual cost of your selections before the contract is signed.

Pricing for General Contractor in San Marcos, CA

Honest ranges for San Marcos, from the contracts we’ve written here:

Project Type Typical 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
Roof Replacement $8,000 – $20,000
Window Replacement $4,500 – $15,000

The main cost drivers in San Marcos are the age of the house, whether the job requires structural work, the finish level you choose, and whether HOA review adds time and documentation. A kitchen that moves plumbing and electrical will land higher in the range than one that keeps the layout. A bathroom that converts a tub to a curbless shower with new waterproofing costs more than a vanity and fixture swap. Call (803) 680-2547 for a free estimate on your specific project. We’ll walk the space, check the attic and crawl where it matters, and put real numbers in writing before you commit to anything.

We Also Serve Cities Near San Marcos

Our crews cover San Marcos and the surrounding North County communities, including Vista, Escondido, Carlsbad, and Encinitas. If you’re just outside San Marcos city limits, we can usually help, and the same written-price and 365-day guarantee apply anywhere we work. Dispatch and scheduling are coordinated from our San Diego office, but the crews who show up at your door are local to North County and know these neighborhoods’ building patterns firsthand.

Serving San Marcos, CA - Our Local Coverage Area

We’re based in the San Marcos 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 San Marcos

Why San Marcos Chooses Mason Remodeling

We set the standard for general contractor in San Marcos.

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 San Marcos

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 San Marcos - 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 San Marcos Customers Say

Trusted by homeowners across San Marcos and surrounding areas.

★★★★★

"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
★★★★★

"Good work on the hall bath. They found a rotted subfloor, which added cost, but showed me photos and a clear price first."

Neil P. · Verified customer
★★★★★

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

Susan Y. · 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
An open living space after a whole-home remodelA remodeled kitchen with painted cabinets and a farmhouse sinkA 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 bathroom

More remodeling services in San Marcos

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

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

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

Our promise

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(803) 680-2547

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