Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Construction Services in Berkeley, CA
If you own a home in Berkeley, you’ve likely dealt with a foundation that shifts with the clay soil, a roof that takes more rain than your friends down in Albany, or a remodel estimate that ballooned once the contractor checked the city’s seismic requirements. Construction here isn’t the same as construction in the flatlands. Barrett & Sons Construction works in Berkeley every week, and we know where the costs hide before you sign anything. Call us at (877) 610-1318 for a free estimate that accounts for Berkeley’s actual building conditions, not a generic price sheet.
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.
Why Berkeley Homeowners Choose Barrett & Sons Construction
Tom Barrett started this company in 1998, and his sons still run the crews. That matters in a city where the last contractor you hired may have sent strangers to the job and vanished when the change orders started piling up. We put Tom’s name, our license number, and our address on every contract. Look it up before you sign. We want you to.
In the Berkeley Hills around 94705 and 94707, we’ve rebuilt decks and retaining walls on lots where the soil moves enough to crack concrete within a decade. In the flatlands near 94702 and 94710, we’ve opened walls in Craftsman bungalows and found balloon framing that hadn’t been touched since the McKinley administration. Homeowners in both areas get the same thing from us: written scope, written allowances, and a 90-Day Done Right Promise on every job. If something isn’t right, Tom comes back. One call.
Construction Services We Offer in Berkeley
Kitchen Remodeling
Berkeley kitchens in pre-WWII homes often hide surprises behind the plaster: knob-and-tube wiring, uneven floors, and framing that predates modern building codes. We plan for those discoveries in the allowance, not after the drywall comes down. We install KraftMaid and Cambria, brands you can actually research before committing.
Learn more about our Kitchen Remodeling in Berkeley.

Bathroom Remodeling
Marine-layer moisture gets into Berkeley crawl spaces and bathrooms alike, which means proper ventilation and waterproofing aren’t optional upgrades. We pull permits on every bathroom job, because the inspector’s sign-off protects you as much as it satisfies the city. Ask anyone who’s had a flipper bathroom start leaking two years later.
Learn more about our Bathroom Remodeling in Berkeley.

Roofing
The Berkeley Hills get meaningfully more rain than the flats, and most roofs up there were installed before fire-resistant materials became mandatory in WUI zones after the 1991 Tunnel Fire. We install GAF and CertainTeed systems rated for both weather and ember exposure. A new roof in the hills has to do two jobs, not one.
Learn more about our Roofing in Berkeley.

Windows & Doors
Older Berkeley homes lose heat through single-pane windows that fight the marine layer all winter. We install Andersen and Marvin products sized for the odd openings you find in Craftsman and Brown Shingle architecture. Proper flashing matters more here than in drier climates, and we treat it that way.

Fence Installation
Fences on Berkeley’s clay soils lean and crack when posts aren’t set deep enough or drainage isn’t handled. We build with that movement in mind. Whether you need a privacy fence in the flats or a hillside retaining wall that also acts as a fence line, the design has to account for seasonal ground shift.

Driveway & Pavers
Expansive clay under Berkeley driveways means joints open, slabs settle, and water finds a way in. We install Techo-Bloc and Belgard paver systems designed for movement, with base preparation that flatland contractors often skip. A driveway in the hills isn’t just a surface, it’s drainage infrastructure.

Home Additions & ADU
Berkeley encourages ADUs, but the path from permit to final inspection runs through seismic retrofit requirements and hillside geotechnical reviews that most of your neighbors never see coming. We’ve navigated that path enough times to quote it honestly up front. Your addition gets engineered for the fault line, not just drawn for the square footage.

Neighborhoods We Serve in Berkeley
Our crews work throughout Berkeley every week, from the hills to the flats. We know which inspectors cover which neighborhoods, and we’ve learned the quirks of each area’s housing stock. Typical response time for an estimate anywhere in the city is within one or two business days.
- North Berkeley (94707)
- Berkeley Hills (94705, 94708)
- South Berkeley (94702, 94703)
- West Berkeley (94710)
- Elmwood & Claremont border
Why Berkeley’s Climate & Housing Affect Construction
Berkeley sits directly atop the Hayward Fault. That isn’t a trivia item, it’s a daily reality for anyone remodeling here. The city’s soft-story retrofit ordinance phased in mandatory structural upgrades for pre-1978 wood-frame apartments along corridors like Telegraph and Shattuck, and even single-family remodels now trigger seismic reviews more often than not. Unreinforced foundations and balloon framing are common near UC Berkeley, which means a kitchen remodel can become a structural project once the walls are open.
At the same time, the hillside ZIP codes from 94705 up through 94707 and 94708 fall within the post-1991 Tunnel Fire Wildland-Urban Interface zone. That means fire-resistant siding, ember-resistant vents, and specific roofing materials are code, not preference. Berkeley contractors have to manage seismic engineering on one side of town and fire code on the other. Flatland cities across the bay simply don’t have that dual burden. When we write a scope for a Berkeley job, it already accounts for both.
Pricing for Construction in Berkeley
What does construction actually cost in Berkeley? Honest numbers beat vague reassurance. Here’s what we typically see:
- Kitchen remodel: $45,000-$90,000 depending on scope and structural surprises
- Bathroom remodel: $22,000-$45,000
- Roof replacement: $12,000-$28,000 depending on slope and material
- Fence installation: $3,500-$12,000
- Driveway or paver work: $8,000-$30,000
- ADU or addition: $250,000-$500,000
Every job gets a written line-item quote before work starts. Allowances are on paper. Change orders are on paper. The price we quote is the price you pay unless you change the scope, and even then, you’ll see it in writing first. Call (877) 610-1318 for an exact number on your project.
Service Area - Cities Near Berkeley
We also serve Berkeley’s neighboring communities. If you’re in Albany, Emeryville, El Cerrito, or Kensington, the same crew and the same written-scope promise apply.
Serving Berkeley, CA - Our Local Coverage Area
We’re based in the Berkeley 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 Construction in Berkeley
Yes, and Berkeley enforces permits more strictly than most cities in the East Bay. The permit inspector works for you, not for us, and that’s why we like him. We pull permits on every eligible job, and we’ve never told a customer that permits are optional.
A kitchen remodel in Berkeley typically runs $45,000 to $90,000, with the higher end reflecting seismic retrofitting and structural repairs common in pre-WWII homes. Call (877) 610-1318 and we’ll walk your actual kitchen before quoting a number.
Many single-family homes near UC Berkeley and throughout the flats have unreinforced masonry or post-and-pier foundations that will trigger a seismic review once you open walls or add square footage. It’s a standard line item on most major remodels here, and we build it into the scope from day one.
Yes. Expansive clay and seasonal rainfall in the Berkeley Hills create drainage and retaining wall failures that flatland construction never has to solve. We install engineered solutions, not guesswork, and we bring in the right engineer when the lot demands it.
Only if the scope changes, and only with a written change order you sign before any new work begins. An allowance that isn’t on paper is a surprise waiting for a date, so we put everything on paper. Call (877) 610-1318 to see what that looks like in practice.
Key Takeaways
- Berkeley construction requires dual compliance: seismic retrofit and WUI fire code
- Pre-WWII housing stock means structural surprises are common, not rare
- Written scope, written allowances, and written change orders on every job
- 90-Day Done Right Promise: one call brings Tom back
- Free estimates with no trip charge inside the county
Get Your Free Estimate
If you own a home in Berkeley and you’re tired of contractors who talk like salesmen and bill like surprises, call Barrett & Sons Construction at (877) 610-1318. We’ll come out, look at your actual house, and give you a number that means something. Tom’s name is on the truck and on the contract. We’ll answer the phone when you call.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Berkeley and the East Bay with owner-operated crews since 1998.
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 Berkeley Customers Say
"The bathroom was finished on the day he said at the start, which nobody had led me to believe was possible."
- Loretta Vanterpool"His sons run the crews and they were in our house for four months. Not once did I feel I had to be home to keep an eye on things."
- Camila Fuentes"Beautiful work and honest pricing throughout. The project ran about three weeks past the estimate waiting on the cabinets, which was the supplier rather than him, though the delay was still real."
- Genevieve Ashcombe







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