Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Remodeling Company in Brentwood, CA
Home remodeling in Brentwood runs $9,000 – $130,000 depending on scope, with most whole-home projects falling between $45,000 and $130,000. We’re Penhallow Remodeling, and we handle kitchen and bathroom renovations, whole-house updates, and major additions for homeowners across the far inland side of the Diablo Range. Call (936) 259-2607 to schedule your free estimate.
Brentwood’s housing stock is unlike anywhere else in the Bay Area. The city exploded from roughly 7,500 residents to over 65,000 through 1990s and 2000s master-planned tract development, meaning nearly every home was built between 1998 and 2008 by the same handful of national builders. Now those homes are simultaneously hitting their first major renovation cycle, and we’re running near-identical warranty-era upgrades across thousands of same-vintage Shea Homes and Centex subdivisions. Home Remodeling here isn’t about preserving character; it’s about fixing what the first build got wrong before the next decade of 100°F summers finishes the job.
Why Brentwood Homes Are Different
Brentwood sits east of the Diablo Range, and that geography changes everything about how we build. Summer highs regularly crack 100°F, far hotter than Walnut Creek or Concord just over the hills. That heat accelerates UV degradation of roofing membranes and drives massive thermal expansion cycling in concrete flatwork and stucco. We see it every spring: the same cracked clay soils that made this valley cheap farmland before the boom are now heaving patios, driveways, and garage floors across whole neighborhoods east of Balfour Road.
The housing itself is remarkably uniform: 2,000 – 3,500 square foot stucco-over-frame tract homes on expansive Altamont clay. Very little pre-1980s residential stock exists. Contractors who know Brentwood budget for mudjacking or pier work almost by default on any project touching a slab. California Title 24 cool-roof and spray-foam retrofits are increasingly common requests, driven by those punishing inland summers. Winter rains on cracked clay soils trigger foundation remediation calls each March. The renovation pipeline here is almost entirely first full refresh of boom-era construction, and the problems repeat block by block.
Our Main Brentwood Services
Most calls we get from Brentwood homeowners fall into three categories. Here’s what each looks like locally.
General Contractor in Brentwood
We coordinate multi-trade projects across Brentwood’s master-planned communities, from load-bearing wall removals to full additions. Because so many homes here share identical floor plans from Shea, Pulte, and Centex, we’ve developed efficient approaches for the same structural challenges that show up in neighborhood after neighborhood. We pull permits through the City of Brentwood, coordinate HOA approvals where Shadow Lakes or Deer Ridge require them, and schedule around the Diablo Range weather window. General Contractor in Brentwood

Bathroom Remodeling in Brentwood
Brentwood’s original 2000s bathrooms are hitting their functional end: cultured marble vanities yellowing, fiberglass shower stalls cracking at the seams, and builder-grade fixtures failing in clusters. We replace these with moisture-hardy cement board substrate (the layer behind your tile that stops rot), Kohler and Moen fixtures, and waterproofing that holds up to the temperature swings this inland climate produces. Most projects run $9,000 – $28,000. Bathroom Remodeling in Brentwood

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Home Remodeling in Brentwood
Home remodeling in Brentwood addresses the simultaneous failure wave hitting 1998 – 2008 tract homes: stucco delamination from thermal cycling, foundation settling on Altamont clay, and original kitchens and bathrooms that were built to a price point, not a lifespan. Most of our whole-house projects here involve reconfiguring the same dozen floor plans we’ve seen across Shadow Lakes, Deer Ridge, and the neighborhoods east of Balfour Road, updating systems and finishes to handle the next twenty years of inland heat and winter rains.
Because the housing stock is so uniform, we’ve developed efficient, repeatable approaches to the specific problems these homes develop. That doesn’t mean cookie-cutter work; it means we know where the foundation will need attention before we pull the first cabinet, and we budget for it in the written price we give you before any work starts.
Whole House Remodel
Signs you need it
Your home has multiple failing systems simultaneously: original kitchen and bath finishes deteriorating, stucco cracking in the thermal expansion pattern we see on east-facing walls, and floors settling unevenly as the clay substrate shifts.
What it costs in Brentwood
Whole house remodels in Brentwood typically run $45,000 – $130,000, with most projects landing between $65,000 and $95,000 for 2,500 – 3,200 square foot homes.
How we do it
We start with a structural assessment of foundation and slab conditions, then sequence the work room by room so you’re never living in a fully demolished house, finishing with the systems that matter most for this climate: cool-roof compliant roofing, proper attic ventilation, and moisture barriers that handle Brentwood’s temperature swings.
Home Renovation
Signs you need it
Your home functions but feels dated and inefficient: original windows leaking conditioned air, bathrooms with failing caulk and ventilation, and a kitchen layout that doesn’t match how your family lives now.
What it costs in Brentwood
Targeted home renovations in Brentwood typically range from $9,000 for a focused bathroom update to $45,000 for kitchen-plus-bath refresh, with most partial renovations falling between $18,000 and $35,000.
How we do it
We identify the highest-impact updates for your specific floor plan, replace failing substrates with moisture-resistant cement board and proper flashing, and specify materials like James Hardie siding and energy-compliant windows that handle Brentwood’s UV exposure and thermal cycling.
What Home Remodeling Costs in Brentwood
| Item | Typical range in Brentwood |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
Do you pull permits for home remodeling in Brentwood?
Yes, we pull all required permits through the City of Brentwood Community Development Department for structural, electrical, plumbing, and mechanical work, and we schedule inspections so your project passes before we close out. Call (936) 259-2607 to discuss permit requirements for your specific project.
Will the price change once work starts on our Brentwood home remodel?
No. We give you a written, line-item price before any work begins, and that number is the number on your invoice. If we encounter hidden damage during demo, we document it, explain the scope change, and get your written approval before any additional work proceeds. The Kingswell Way means say the price before the work, and we stand by that.
Brands We Service in Brentwood
We install and service materials from recognized trade brands: KraftMaid and Wellborn cabinetry, Cambria, Silestone and Caesarstone countertops, Kohler, Moen, Blanco, Delta and Grohe fixtures, James Hardie siding, and Therma-Tru entry systems. We also work with modular and prefab solutions from Abodu, Cover, and Dvele for ADU and addition projects where off-site construction speeds delivery. Most standard items are available through our Bay Area supply chain with typical lead times of 2 – 4 weeks. our brands
Pricing for Remodeling Company in Brentwood, CA
| Service | Typical range in Brentwood |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
| Concrete Driveway Installation | $4,500 – $12,000 |
Prices in Brentwood push toward the higher end when foundation work is needed on Altamont clay soils, when Title 24 energy compliance requires upgraded insulation or cool-roof membranes, or when HOA design review in gated communities adds revision cycles. Every homeowner receives a written price before any work starts, so the number on day one is the number on the invoice.
Neighborhoods We Serve in Brentwood
We work across Brentwood’s master-planned communities and established neighborhoods, from the golf-course enclaves to the newer developments pushing toward the county line. Most Brentwood projects are accessible within our standard scheduling window, with dispatch coordinated from our San Francisco Bay Area office.
- Shadow Lakes
- Deer Ridge
- Brentwood Hills
- Apple Hill
- Downtown Brentwood (historic core)
Service Area – Cities Near Brentwood
Our crews work throughout the far East Bay and inland Delta region. We regularly take projects in Oakley, CA, where the same tract-home era and clay soil conditions apply; Discovery Bay, with its waterfront construction and foundation challenges; Antioch, CA, which shares Brentwood’s boom-era housing stock and thermal cycling issues; and Clayton, CA, where the hillside geology and older ranch-style homes present a different but equally specific set of remodeling considerations.
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 Remodeling Company in Brentwood
Most Brentwood projects begin 4 – 6 weeks after contract signing, with permitting through the City of Brentwood adding 2 – 3 weeks for structural or addition work. We coordinate HOA approvals in gated communities like Shadow Lakes or Deer Ridge before scheduling demo, so your start date is firm once we commit to it.
Many master-planned communities require design review for exterior changes, roofing materials, and visible additions. We submit plans to your HOA architectural committee as part of our pre-construction process, and we specify James Hardie siding, cool-roof compliant membranes, and other materials that typically pass review in Brentwood’s planned developments.
The expansive Altamont clay soils east of Balfour Road cause recurring settling and slab cracking. We assess foundation conditions during our initial site visit, and we budget for mudjacking, pier work, or substrate stabilization when your project involves load-bearing changes, room additions, or significant floor-level modifications.
Call (936) 259-2607 to schedule your free estimate. We’ll give you a written price before any work starts, and every project carries our 365-Day Done Right Promise in writing.
What happens when you call
- 1A real person answersNo phone trees - talk to a local construction pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Brentwood Customers Say
"Kitchen and dining room opened up into one space. They were honest about which wall could come down and which couldn't, no sugarcoating. Dust was kept way down with plastic everywhere."
- Oscar Benitez"Redid two bathrooms at once. The crew protected the floors and cleaned up every single day before leaving. Quote was detailed and there were no mystery charges at the end."
- Tricia Dawson"Full home refresh before we sold. They were straight about what was worth doing and what wasn't to get our money back. On time, on budget, and it sold in a week."
- Monica Vaughn







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