







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Home Remodeling Across Brentwood
Remodeling a home in Brentwood means planning around two things most other Bay Area cities don’t deal with: wildfire-resistant building codes and hillside lots that trigger slope-density and oak-tree ordinances before you can order a single cabinet. That’s why the first thing we do on any Brentwood project is walk the house, check the slab and the load-bearing walls, and figure out exactly what the city will require. A kitchen remodel here typically runs $14,000 – $45,000, and Bathroom Remodeling - Brentwood runs $9,000 – $28,000, but the real number depends on what we find behind the drywall. Call (803) 680-2547 to get a written price before any work starts.
Why Mason Remodeling Is Brentwood’s Preferred Home Remodeling Company

Brentwood homeowners call us because they want to know, in writing, what the job will cost and who will be walking through their door. Every crew member who works in Brentwood is background-checked, identity-verified, and introduced to you by name and photo before they arrive. You’ll see a photo ID badge at the door, on a uniformed technician, every time. That’s the Threshold Standard, and it’s not optional on any Mason Remodeling job.
Isaac Pruett has led Mason Remodeling since its founding in 2004 as part of the Threshold Group family of home-service companies. Our Home Remodeling team has worked on homes throughout Brentwood, from newer developments east of Sand Creek Road to older ranches off Balfour Road. We know which homes still have galvanized supply lines, which subdivisions sit on problematic expansive soil, and what the city’s building department will flag on a pull-permit inspection. Every project gets a written price before work begins, and every completed project carries the 365-Day Done Right Promise: if the work isn’t right within a year of completion, we make it right at no cost to you.
Styles & brands we work with







Home Remodeling Companies in Brentwood
Home Remodeling Companies in Brentwood range from solo handymen working out of a pickup to full-service general contractors who pull permits and manage inspections. The difference shows up when the job moves past paint and into permit-required scope: structural changes, electrical panel work, window and door replacement, and any bathroom or kitchen remodel that alters plumbing or load-bearing walls. A Brentwood homeowner needs a company that will walk the house before quoting, because what’s behind the drywall changes the price. We deliver a written line-item price before any work starts, on every project.
What a Written Scope Protects
A written scope of work names every finish, every allowance, and every code item before demo starts. That’s the document that keeps a $14,000 kitchen from becoming a $28,000 kitchen because the house needed a repipe or fire-rated sheer wall. We don’t offer verbal estimates that grow on the final bill.
Who Shows Up at Your Door
Before the crew arrives, you get the technician’s name and photo. At the door, they show a photo ID badge and arrive in a clean marked uniform. For parents with kids at home or older adults alone during the day, that’s not a courtesy; it’s the reason you let someone through the door in the first place.
Whole House Remodel in Brentwood

A Whole House Remodel in Brentwood usually means a home addition, a full interior reconfiguration, or a down-to-the-studs renovation where the family stays offsite for part of the build. These projects run $45,000 – $130,000 for a home addition and $90,000 – $220,000 for an ADU, and they almost always require a full permit set and multiple inspections. On homes near Marsh Creek or up in the hills off Diablo Road, a whole-house remodel often triggers the city’s wildfire-resistant exterior detailing requirements, which adds fire-rated materials to the window, roof, and wall scope. We factor that into the written price before contract, not as a change order later.
Sequencing a Whole-House Job
We sequence the project so inspections happen before we close anything up: rough-in electrical and plumbing first, then insulation, then drywall, then finishes. On a Brentwood remodel, especially one with old cast-iron drains or a slab-on-grade foundation, that sequencing is what keeps the city inspector off your punch list.
Allowances and Change Orders
We set written allowances for cabinets, counters, and tile at contract. When a Brentwood code item appears mid-job, like a fire-rated exterior door or an oak-tree mitigation measure, the allowance absorbs it. If you budget finishes to the dollar with no allowance line, the first change order is the one that blows the budget.
Trusted Brands We Service in Brentwood
We install and work with specification-grade product lines Brentwood homeowners ask for by name: KraftMaid and Wellborn cabinetry, Cambria and Silestone surfaces, Kohler and Moen fixtures. On the prefab and panelized side, we’ve seen growing interest from Brentwood clients in systems from Dvele and Abodu, particularly for ADUs and accessory units where factory-built panels shorten onsite framing time. We can stock and coordinate these materials locally for Brentwood customers, which means fewer delays waiting on a supplier in Concord or Livermore and faster turnaround on cabinet, counter, and fixture lead times.
See the difference
Before
After
Before
After
Before
AfterCommon Home Remodeling Problems We See in Brentwood Homes
- Slab-on-grade plumbing with no accessible rough-in. Homes built in the 1960s and 1970s off Lone Tree Way and O’Hara Avenue often have copper or galvanized drains buried in the slab. When a bathroom or kitchen remodel moves a fixture, the slab has to be opened and the wet wall repiped. If your quote didn’t account for that, it’s a five-figure surprise.
- Unpermitted previous work that fails at resale. We regularly find kitchen or bath rough-ins that were done without a Brentwood pull permit. At resale, the city flags it, the wall comes open, and the owner pays to correct and re-inspect someone else’s shortcut.
- Wildfire-resistant exterior requirements on hillside lots. Brentwood sits in a high-fire-severity zone. Any remodel touching windows, roofing, or exterior walls on hillside parcels may need fire-rated assemblies, ember-resistant vents, and specific glazing. That’s a code item, not an upgrade, and it belongs in the original written price.
- Slope-density and oak-tree ordinances changing the scope. On hillside lots, the city’s oak-tree ordinance can limit where an addition or ADU sits, and slope-density rules may cap the footprint. A homeowner who ordered cabinets before checking those rules sometimes finds the layout has to change.
Pricing for Home Remodeling in Brentwood, CA
Honest Brentwood numbers, in writing:
| Project | Typical Brentwood Range |
|---|---|
| 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 |
| Backsplash Installation | $800 – $2,500 |
| Bathroom Remodel | $9,000 – $28,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Bathroom Vanity Installation | $800 – $3,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
What changes these numbers in Brentwood: whether the slab has to be opened for plumbing, whether load-bearing walls move, whether the project sits in a wildfire zone that requires fire-rated detail, and whether an oak-tree or slope-density ordinance limits the footprint. We put every line item in the written price before we start. Call (803) 680-2547 for a free estimate, and we’ll walk your Brentwood house before we quote it.
We Also Serve Cities Near Brentwood
Beyond Home Remodeling in Brentwood, our crews work in Oakley, Discovery Bay, Antioch, and Clayton. Scheduling is coordinated from our San Francisco Bay Area office, and crews serve Brentwood locally, which keeps travel time from eating into your project calendar.
Serving Brentwood, CA - Our Local Coverage Area
We’re based in the Brentwood 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 Home Remodeling in Brentwood
Yes, if the work alters plumbing, electrical, load-bearing walls, or exterior openings. The City of Brentwood requires a pull permit for those scopes, and the work must be inspected at rough-in and at final. We pull the permit, schedule the inspections, and walk the inspector through with you. Call (803) 680-2547 to check what your project would trigger.
The three biggest drivers are cabinet and counter selections, hidden plumbing and structural conditions behind the walls, and any code-required fire-rated or seismic detail on the exterior. In Brentwood specifically, slab plumbing on older homes and fire-resistant window or wall assemblies on hillside lots frequently add scope that a photo-based quote never caught.
A typical hall bath or primary bath remodel runs three to five weeks once permits are in hand and materials are on site. If the slab has to be opened for repiping, add a week. If the city inspector’s schedule backs up, add a few days. We set the calendar at contract and set the allowance schedule to match it.
A draw schedule is the written payment schedule tied to milestones: deposit, rough-in inspection, drywall, finish, final walkthrough. In Brentwood, where permit and inspection timing can slip if the building department is backed up, a draw schedule protects you from paying for work that hasn’t been inspected and signed off yet.
Every finish and material by brand and model, every allowance line with a dollar figure, the permit and inspection plan, the project calendar, the draw schedule, and the written guarantee terms stated in plain English with the coverage period named. Ours says 365 days from the completion date, with a free return visit if a repair or installation fails. If a Brentwood contractor won’t put those in writing before you sign, walk away.
Written by Isaac Pruett, Owner at Mason Remodeling. Serving Brentwood, CA with general contracting, bathroom remodeling, and whole-home remodeling since 2004.










