Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across San Bruno
Hiring a general contractor in San Bruno means coordinating permits, inspections, materials, and crews across a city with two very different building realities: the steep hillside parcels along Skyline Boulevard and the flat, fast-permit neighborhoods down near El Camino Real. Mason Remodeling has worked in both, so we know when a project needs geotechnical review and when it will sail through plan check in a week. If you’re planning a kitchen remodel, bathroom upgrade, room addition, or ADU in San Bruno, call Isaac Pruett and our team at (803) 680-2547 for a written, line-item price before any work starts.
Why Mason Remodeling Is San Bruno’s Preferred General Contractor Company
San Bruno homeowners keep calling us back because we put the price in writing before demolition starts. Not a verbal estimate. Not a “we’ll see how it goes.” A written scope, a written price, and a written guarantee with terms you can read. Each crew member who arrives at your door in San Bruno is background-checked, identity-verified, and will have already sent you their name and photo before the visit. When they knock, they’re wearing a Mason Remodeling uniform and carrying a photo ID badge. That’s the Threshold Standard, and it applies to every job we run, from a small bathroom in Crestmoor to a full ADU build in the hills above Sneath Lane.
We’ve handled projects across San Bruno’s housing stock, much of it built between the 1940s and 1960s. Those homes hide surprises behind the drywall: undersized drain lines, rotted subfloors, load-bearing walls that were never marked on any plan. Our General Contractor team builds allowances into the bid for exactly those conditions, so you’re not blindsided by a change order on week three.
Styles & brands we work with
Licensed General Contractor in San Bruno
A Licensed General Contractor in San Bruno does more than swing a hammer. We pull the permits, schedule the inspections, coordinate the subs, and carry the liability when something goes sideways. For a San Bruno kitchen remodel, that typically means a project budget of $14,000 to $45,000 depending on cabinet grade, countertop selection, and whether you’re moving plumbing or electrical. For a small bathroom, expect $5,000 to $12,000. A garage conversion runs $30,000 to $80,000, and an ADU in a San Bruno backyard starts around $90,000 and can reach $220,000 depending on site conditions and utility runs.
Permits and Inspections
San Bruno’s Building Division reviews every structural, plumbing, electrical, and mechanical change. Hillside parcels near Skyline Boulevard or within the Sweeney Ridge corridor often require geotechnical clearance before a permit can be issued. That review can add two to four weeks and several thousand dollars in soil reporting, but skipping it means a stalled project and a very expensive surprise. Flatland neighborhoods like Belle Air and Crestmoor typically move through plan check faster because the soils are more uniform and the city has fewer hillside review requirements.
What the Scope Covers
A real scope of work for a San Bruno remodel names every material, every trade, and every inspection. It says “replace cast-iron drain line with ABS to current code” not “update plumbing as needed.” It lists cabinet line names like KraftMaid or Wellborn, countertop specs like Cambria or Silestone, and fixture brands like Kohler, Moen, or Toto. If your contractor’s scope fits on one page, it’s not a scope. It’s a wish list with a price attached.
Residential General Contractor in San Bruno
A Residential General Contractor in San Bruno manages whole-home remodels, room additions, and ADU construction from the first site meeting to final inspection sign-off. The work involves framing, rough plumbing, electrical, insulation, drywall, finishes, and a sequence of city inspections: rough-in, insulation, lath and nail, and final. For a San Bruno home addition, budget $45,000 to $130,000. ADU construction ranges $90,000 to $220,000 depending on whether you’re converting a garage, building a detached unit, or adding a second story.
Project Calendar Reality
A San Bruno kitchen remodel typically runs six to ten weeks from permit issuance to punch list. A bathroom runs three to five weeks. An ADU or room addition runs four to eight months depending on hillside review, structural engineering, and inspection scheduling. Contractors who quote faster timelines are usually cutting corners on the inspection sequence, and you’ll pay for that at final when the city flags the work and you’re waiting three weeks for a re-inspection.
Cost Drivers That Move the Number
In San Bruno, three things move a bid more than anything else: soil and slope conditions, unseen framing and subfloor damage in pre-1970 homes, and the scope of utility work. Moving a kitchen sink across a slab means cutting concrete and re-routing drain lines. That’s thousands of dollars and several extra inspection days. We name these as line items up front, so the price you sign is the price you pay unless you change the scope yourself.
Trusted Brands We Service in San Bruno
We build with specification-grade materials so San Bruno homeowners aren’t replacing failed fixtures in three years. That means cabinet lines like KraftMaid and Wellborn, stone surfaces from Cambria and Silestone, and plumbing fixtures from Kohler, Moen, and Toto. For exterior and hardscape work, we work with GAF and CertainTeed roofing systems and Belgard or Techo-Bloc pavers. We also service prefabricated and panelized builds from brands like Abodu, Cover, and Dvele when a San Bruno homeowner wants a faster ADU timeline. Parts and material ordering are handled from our San Francisco Bay Area office, and we coordinate delivery windows so materials don’t sit exposed in San Bruno’s fog and marine air longer than necessary.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in San Bruno Homes
- Hillside plan-check delays near Skyline Boulevard. Geotechnical review on sloped parcels can stall a permit for weeks. We file the soil report and drainage plan before the building permit application, so the clock doesn’t start after you’ve already signed a lease on a temporary kitchen.
- Rot and undersized drains in 1940s-1960s stock. Much of San Bruno’s housing stock predates modern plumbing codes. We open the floor expecting rot and undersized cast iron, and the bid reflects that reality with an allowance, not a surprise.
- Combined permit stacks on small-footprint lots. San Bruno homes often have compact footprints, so homeowners try to bundle kitchen, bath, and ADU work under one permit. If the phases and inspection sign-offs aren’t separated, you end up with overlapping rough-in inspections and a failed final. We phase the work so each inspection passes in sequence.
- Fog-driven moisture in exterior wall cavities. San Bruno’s persistent marine layer means exterior walls run damp. We specify proper vapor barriers and flashing details on any wall we open, which flatland contractors from drier cities often skip.
Pricing for General Contractor in San Bruno, CA
Here’s what we tell San Bruno homeowners to expect, in real dollar figures:
| Project Type | Typical San Bruno Range |
|---|---|
| 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 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
These ranges reflect San Bruno’s market: hillside parcels push higher on engineering and site work, flatland Belle Air and Crestmoor jobs land on the lower end. We deliver a written price before any work starts, and that price holds unless you change the scope. Call (803) 680-2547 to schedule your free estimate and get a written line-item quote.
We Also Serve Cities Near San Bruno
Our crews serve San Bruno and the surrounding Peninsula communities, including Millbrae, South San Francisco, Pacifica, and Brisbane. If you’re in one of those cities and planning a remodel, the same written-price, written-guarantee process applies. Learn more about our San Bruno coverage area and what to expect when you call.
Serving San Bruno, CA - Our Local Coverage Area
We’re based in the San Bruno 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 San Bruno
Yes, almost always. Any structural, plumbing, electrical, or mechanical change in San Bruno requires a permit through the city’s Building Division. Cosmetic-only updates like painting, cabinet refacing without moving utilities, or replacing a faucet may not need one, but moving a sink, opening a wall, or running new circuits does. We pull all permits for our San Bruno projects and sequence the inspections so sign-off clears on the first pass whenever possible. Call (803) 680-2547 and we’ll tell you what your project actually requires before you spend a dollar.
A typical San Bruno kitchen remodel takes six to ten weeks from permit issuance to final sign-off. A bathroom remodel runs three to five weeks. A home addition or ADU runs four to eight months depending on hillside geotechnical review and structural engineering. The fastest way to lose weeks is skipping the soil report on a hillside parcel or bundling too many phases under one permit. We build a three-draw schedule for every job and share it with you before demo starts.
A legitimate scope of work names every material, trade, and inspection by name. It says which cabinet line you’re getting, which countertop stone, which fixtures, and what happens if the subfloor is rotted or the drain is undersized. If the scope says “as needed” or “per code” without specifying what code and what assumptions, you’re carrying the risk. We provide written allowances for framing repair, subfloor replacement, and drain line upgrades on every San Bruno job because we know these homes. Call (803) 680-2547 to get a sample scope for your project.
Unseen structural conditions in 1940s-1960s homes are the biggest cost mover: rotted floor joists, undersized cast-iron drains, or load-bearing walls that don’t appear on any drawing. Hillside drainage issues and geotechnical surprises near Sweeney Ridge are another. If your contractor didn’t include allowances for these, you’ll see the price go up. We price them in writing before we start, with a clear allowance and a process for approving any additional work. Estimates are free. Call (803) 680-2547.
Yes, garage conversions in San Bruno are permitted, and they do require their own permit through the city. Expect $30,000 to $80,000 depending on whether you’re adding a bath, upgrading the foundation, or running new utilities. San Bruno’s small lots make garage conversions attractive, but the permit and inspection sequence still applies in full. We handle the entire process from plan check to final. Call (803) 680-2547 for an exact quote on your garage.
Written by Isaac Pruett, Owner at Mason Remodeling, serving San Bruno since 2004.
