A remodeled home with a front porch on a quiet street at golden hour
San Lorenzo, CA

Remodeling Company in San Lorenzo - Written Fixed-Price Quotes, Permits Handled

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A home office with a built-in desk and shelves
An open living space after a whole-home remodel
A remodeled living room with built-in shelves around the fireplace
A whole-home remodel with the living, dining and kitchen areas opened up
A remodeled family room with new windows and a window seat
A wide opening with a new beam where the kitchen wall was removed
A stone counter, tile backsplash and open shelf after a kitchen remodel
A remodeled hall bathroom with subway tile and a floating vanity
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Remodeling Company in San Lorenzo, CA

Mason Remodeling handles general contracting, bathroom remodeling, and whole-home remodeling across San Lorenzo, CA. This page is the overview: what makes building here different, what work costs in this specific market, and which neighborhoods we cover. If you’re pricing a specific job, use the service pages linked below for line-item breakdowns. For a written, no-surprise estimate on any project, call (803) 680-2547.

Call (803) 680-2547

Why San Lorenzo Homes Are Different

A remodeled staircase with wood treads and a slim metal railing

San Lorenzo was built as one of the Bay Area’s original planned communities, which means the housing stock is remarkably consistent: long, low rooflines, ranch-style layouts, and post-war framing that’s now 70 to 80 years old. That age matters when you’re remodeling. Galvanized plumbing, ungrounded wiring, and original subfloors are common in the neighborhoods north of Hesperian Boulevard. A straightforward bathroom remodel can turn into re-piping or subfloor replacement once walls come open, and we price with that in mind, not after the fact.

The climate here doesn’t swing hard, but it’s damp. Morning fog off the bay settles into crawl spaces and exterior trim. We routinely see sill plate rot under older homes near the San Lorenzo Creek corridor. Driveway and hardscape work also contends with clay-heavy soil that shifts between wet winters and dry summers, so base prep matters more here than in rockier parts of the East Bay. Permits go through unincorporated Alameda County, and any structural or plumbing change is going to trigger plan review, which adds a week or two to most timelines.

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

Our Main San Lorenzo Services

Most San Lorenzo homeowners call us first about one of three things: a renovation that’s too big or too structural to piece out, a bathroom that no longer works for the people living in it, or a whole-home update that needs to happen in the right order. Each service has its own detailed San Lorenzo page below.

General Contractor in San Lorenzo

When a San Lorenzo project involves structural changes, multiple trades, or county permits, it needs a general contractor who can pull it together. Our General Contractor in San Lorenzo page covers what we manage: foundations, framing, additions, and the scheduling of every licensed trade on site. Older ranch homes here often hide surprises, and the full page explains how we handle what’s found after demolition starts, including written change orders before any extra work begins.

General Contractor in San Lorenzo

Bathroom Remodeling in San Lorenzo

Bathrooms in San Lorenzo’s post-war homes are small by modern standards, typically 40 to 70 square feet. Updating one means making tight framing work for a walk-in shower or a double vanity, and the right layout decisions matter more than expensive finishes. Our Bathroom Remodeling in San Lorenzo page breaks down realistic costs and the local conditions that affect the job, from cast-iron drain lines to tile backing that’s seen 60 years of bay fog.

Bathroom Remodeling in San Lorenzo

Home Remodeling in San Lorenzo

Whole-home remodeling in San Lorenzo usually means bringing a 1950s footprint into the way families live now: opened kitchens, added storage, better light, and floor plans that flow. The Home Remodeling in San Lorenzo page walks through scoping that work in phases, so the house stays livable and the budget stays honest. We cover how county permitting schedules affect sequencing in this area specifically.

Home Remodeling in San Lorenzo
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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.

Brands We Service in San Lorenzo

We install and service specification-grade materials from Kohler, Moen, Cambria, KraftMaid, Wellborn, GAF, and others. Common parts and trim are stocked at Bay Area supply yards we use weekly, which keeps most San Lorenzo jobs moving without a two-week wait. See our brands for the full list and warranty details.

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

Pricing for Remodeling Company in San Lorenzo, CA

These are the ranges we quote most often in San Lorenzo. Every project receives a written price before work starts, so the number you sign is the number you pay.

Service Typical range in San Lorenzo
Kitchen Remodel $14,000 – $45,000
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
Countertop Installation $2,000 – $6,500
Window Replacement $4,500 – $15,000
Vinyl Fence Installation $3,500 – $9,000
Roof Replacement $8,000 – $20,000
Home Addition $45,000 – $130,000
ADU Construction $90,000 – $220,000
Garage Conversion $30,000 – $80,000

What pushes a San Lorenzo job toward the top of a range is usually what’s hiding inside an older home: cast-iron plumbing, original wiring that no longer meets code, or subfloor damage under damp crawl spaces. We do not deliver verbal estimates that grow by the time you get the final invoice. The price is written, and it’s what you pay.

Neighborhoods We Serve in San Lorenzo

We work across all of San Lorenzo. Most of our crews are running two to three active projects in the area at any given time, so scheduling is measured in days, not weeks.

  • San Lorenzo Village
  • Hesperian Corridor
  • Baywood
  • Washington Manor
  • Del Rey

Service Area – Cities Near San Lorenzo

While our San Lorenzo crews focus on this community, we also serve nearby East Bay cities including Castro Valley, CA, San Leandro, CA, Union City, CA, and Oakland, CA. If you’re just outside San Lorenzo, call us and we’ll confirm coverage for your street.

Serving San Lorenzo, CA - Our Local Coverage Area

We’re based in the San Lorenzo 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 San Lorenzo

A finished basement family room with a media wall and wet bar

Ready to get started? Free estimates · Free in-home estimates response in San Lorenzo
Call (803) 680-2547

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local construction 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 Lorenzo Customers Say

★★★★★ 4.8 from 8+ reviews

"Bathroom gut job. Replaced the old tub with a walk-in shower and added a niche. Waterproofing was done properly with a flood test before tile."

- Greg L.

"Very respectful in the house. Shoe covers every day and a cleanup every evening."

- Alma V.

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

- Wendy A.

How It Works in San Lorenzo

Getting your construction handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your construction 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 Lorenzo - 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.

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 dining nook with a built-in banquetteA remodeled primary suite with built-in wardrobes and a window seatA built-in window seat in a bay windowA powder room with botanical wallpaper and a stone sinkA remodeled kitchen with a waterfall island and wood cabinetsA wood double vanity with two mirrors after a bathroom remodel

More remodeling services in San Lorenzo

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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