







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Saranap
When you need a general contractor in Saranap, the first thing to know is that your address puts you in a unique permitting position. Most Saranap homes sit inside the unincorporated Contra Costa County pocket between Lafayette and Walnut Creek, which means your remodel routes through county building division plan checks rather than either neighboring city hall. That single fact changes timelines, inspection schedules, and how a contractor should price the job. Our crews know this path well. We pull the permits, schedule the county inspections, and show up with a written price before any tool leaves the truck. Call (803) 680-2547 to talk through your project and get a free estimate.
Why Mason Remodeling Is Saranap’s Preferred General Contractor Company

Saranap homeowners tell us the same thing over and over: the estimate process is where they get burned. A contractor walks the house, throws out a verbal ballpark, and then the final bill lands nowhere near that number. We do it differently. Every Mason Remodeling project gets a written price before work starts. Not a range, not a rough guess. A written, line-item price with allowances spelled out. That’s the standard for every job we run in Saranap.
Our reputation across the Saranap area rests on who shows up at your door. Every crew member is background-checked, identity-verified, and arrives in a clean marked uniform with a photo ID badge. You’ll see their name and photo before they pull into your driveway. Isaac Pruett, who leads Mason Remodeling, built this process so a homeowner never wonders who’s walking up the front path.
We also answer the phone. A live person picks up 24 hours a day, 7 days a week, including weekends and holidays. No call trees, no voicemail loops. When you call about a kitchen remodel on Saranap Avenue or an ADU off Olympic Boulevard, you reach a person who can actually help.
Styles & brands we work with







Licensed General Contractor in Saranap
A licensed general contractor in Saranap coordinates the entire renovation: permits through Contra Costa County for unincorporated addresses, demolition, structural work, trade scheduling, inspections, and final sign-off. Saranap homeowners typically call us when a project involves more than one trade or touches anything structural. A kitchen remodel here runs $14,000 – $45,000 depending on cabinet grade, countertop material, and whether walls move. A bathroom remodel lands between $9,000 and $28,000. The county plan check process for a Saranap remodel usually adds two to four weeks before demolition starts, and an experienced contractor builds that into the calendar from day one.
Permits and County Inspections
Saranap addresses fall under Contra Costa County Building Inspection because the community is unincorporated. That means your contractor files with the county division, not Lafayette or Walnut Creek city hall. Out-of-area contractors often miss this detail and then scramble when the inspector asks for paperwork that was never filed. We handle the full permit path: plan submittal, resubmittals, inspection scheduling, and final sign-off.
Scoped Pricing Before Demolition
The quote you get should not be a single number scribbled on a notepad. We deliver a written scope of work with allowance items for finishes like tile, fixtures, and hardware. If something changes once walls open, you have a documented change order, not a surprise. That discipline protects you from the most common Saranap remodel failure: a price that drifts because the scope was never pinned down.
Residential General Contractor in Saranap

A residential general contractor in Saranap manages home improvement projects for owner-occupied houses: kitchen remodels, bathroom renovations, room additions, ADU construction, and garage conversions. The county’s plan check calendar shapes scheduling more than anything else. A home addition in Saranap runs $45,000 – $130,000. A detached ADU typically lands between $90,000 and $220,000, and a garage conversion falls in the $30,000 – $80,000 range. Those numbers include structural work, rough-in, finishes, and the county inspection path. What they don’t include is the cost of discovering mid-century plumbing or outdated electrical panels mid-project, which is why our written scope calls those items out before we start.
Mid-Century Housing Stock Realities
Most Saranap homes are 1950s and 1960s ranch houses. Many still carry original galvanized supply lines. Some have electrical panels that cannot carry a new kitchen or bathroom circuit without an upgrade. A contractor who doesn’t plan for these realities will hand you a change order weeks in. We inspect supply lines, panel capacity, and subfloor condition before we write the estimate, so your written price reflects the actual house you live in.
The Written Price Guarantee
Every Mason Remodeling project carries the 365-Day Done Right Promise. If the work is not right within a year of completion, we make it right at no cost. The guarantee is written, with terms stated plainly: what’s covered, what’s excluded, and for how long. We also provide a free second visit if a repair or installation fails. No charge, no dispute process, no conditions.
Trusted Brands We Service in Saranap
Saranap homeowners frequently ask about specific product lines, and we’re set up to source them without delay. We work directly with KraftMaid and Wellborn cabinetry, Cambria and Silestone countertops, and Kohler and Moen fixtures. For larger projects, our material partnerships cover GAF and CertainTeed roofing along with Belgard and Unilock hardscaping. We don’t push you into whatever’s in the warehouse; we spec what fits your scope and budget. And because we order directly through those manufacturer programs, Saranap customers get professional-grade materials without the retail markup. We also service homes built with Abodu and Cover systems, which appear on a growing number of Saranap lots.
See the difference
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After
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After
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AfterCommon General Contractor Problems We See in Saranap Homes
- Undisclosed galvanized plumbing. A 1950s ranch off Saranap Avenue looked fine from the fixtures, but the original galvanized supply lines were corroded to pencil-width flow. A kitchen remodel that doesn’t account for repiping will stall the moment the plumber cuts into the wall.
- Electrical panels that can’t carry new circuits. We see 100-amp panels on Saranap homes where a modern kitchen needs 200-amp service. Bidding a remodel without checking panel capacity guarantees a mid-project change order.
- The unincorporated county permit surprise. Homeowners whose mail says “Walnut Creek” or “Lafayette” sometimes assume those cities issue the permits. They don’t. Contra Costa County does. Skipping that path surfaces at resale when a load-bearing wall has no inspection record.
- Loose draw schedules. Some contractors collect deposits before rough-in and approvals are complete. When a scope change hits, there’s no change order to point to. A stalled job with no documentation is the most expensive problem of all.
Pricing for General Contractor in Saranap, CA
Here are the real numbers for Saranap’s market, so you can self-qualify before you call. A full kitchen remodel runs $14,000 – $45,000. A bathroom remodel is $9,000 – $28,000. A home addition runs $45,000 – $130,000. An ADU runs $90,000 – $220,000. A garage conversion runs $30,000 – $80,000. What moves the price within those ranges? Cabinet grade, countertop material, whether walls come out, plumbing and electrical upgrades, and how much structural repair the floors and framing need. The estimate is free. Call (803) 680-2547 and we’ll walk the house, check the panels and supply lines, and hand you a written price.
| Project Type | Saranap Price 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 |
| Garage Conversion | $30,000 – $80,000 |
We Also Serve Cities Near Saranap
Our crews work throughout the Saranap area and regularly take on projects in Saranap and surrounding communities including Los Angeles, San Diego, San Jose, and San Francisco. If you’re just outside the Saranap pocket, call (803) 680-2547 to confirm coverage.
Serving Saranap, CA - Our Local Coverage Area
We’re based in the Saranap 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 Saranap
Contra Costa County Building Inspection issues permits for Saranap because the community is unincorporated. Your contractor files plan submittals, pays county fees, and schedules county inspections. If your address reads “Walnut Creek” or “Lafayette” on the mailbox, that doesn’t change anything: the county still holds the permit authority. Call (803) 680-2547 and we’ll confirm the exact path for your project.
Three things move a Saranap kitchen remodel price more than anything else: cabinet grade, countertop material, and what’s behind the walls. KraftMaid cabinetry with a Cambria island top lands at the higher end of the $14,000 – $45,000 range. A smaller job with stock cabinets and a laminate counter runs lower. But if we open a wall and find corroded galvanized supply lines or a panel that can’t carry the new appliance circuits, the scope changes. Our written estimate accounts for those realities before demolition, so your price doesn’t drift.
Technically, a surface-level refresh like paint, a new vanity, or a toilet swap may not require a permit. But any plumbing relocation, electrical work, or structural change in Saranap needs county sign-off. We don’t recommend skipping permits even on a small bathroom: it surfaces at resale when the buyer’s inspector asks for records that don’t exist. A small bathroom remodel here runs $5,000 – $12,000 and the permit cost is a small fraction of that. Call (803) 680-2547 for a written quote.
Plan for four to eight months for a Saranap home addition or ADU, start to finish. The county plan check typically takes four to six weeks before you even get to demolition. Framing, rough-in, and inspections run two to three months depending on scope. Finishes, trim, and punch list eat another month or two. A garage conversion runs faster, usually three to five months. We build the county inspection dates into the calendar before we break ground, so you’re not waiting on surprise delays.
A written change order changes the price, and nothing else should. When we scope a Saranap project, we inspect subfloors, supply lines, and electrical panels before we write the estimate. That means the galvanized plumbing discovery or the undersized panel shows up in your original price, not as a surprise invoice. If you change a finish or add a wall after the work starts, we document it as a change order with the new cost spelled out. You approve it before we proceed. Call (803) 680-2547 to schedule your free estimate.
Written by Isaac Pruett, Owner at Mason Remodeling, serving Saranap since 2004.










