Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Montara
If you’re planning any kind of construction on your Montara property, from a kitchen remodel to a detached ADU on an open lot, you’re dealing with conditions most contractors never see. Salt air, steep canyon terrain, ancient landslide deposits, and San Mateo County permitting rules shape how every project gets scoped, built, and signed off. Silver Line Contractors runs one contract across all of it, interior to exterior, from the roof down to the driveway. Call us at (833) 400-1314 for a free estimate, and we’ll tell you honestly what your Montara build will take.
Why Silver Line Contractors Is Montara’s Preferred General Contractor Company
Montara homeowners keep calling us back because we do not treat this coastline like a generic jobsite. We know that a house off Kanoff Street sits on different soil than one near the Moss Beach border, and that the county, not the town, holds the permit file. Our crews have scoped projects across the 94037 corridor long enough to know when a geotechnical report will be required before we ever quote a foundation. That local reading of the land changes the number you get on day one, and it changes whether the inspection sign-off comes clean or stalls.
Noel Carvalho runs Silver Line Contractors with a simple rule: write the full scope before the first truck rolls. On acreage work in Montara, that means pier depth, septic and well setbacks, grading, and drainage swales all appear in the bid. Homeowners tell us the clarity is what sold them. You are not hiring a salesperson who hands the job to someone else; you are hiring one contractor who carries it through. Call (833) 400-1314 and ask for Noel directly.
Styles & brands we work with
General Contractor Services in Montara
General Contractor Services in Montara mean managing a full-scope residential project under one contract, from county permit submittal through final inspection. On Montara acreage, that often includes a home addition, a detached ADU pad, or a garage conversion alongside the main house. A home addition in Montara runs $45,000 to $130,000, while a detached ADU starts around $90,000 and can reach $220,000 depending on pier depth, septic layout, and access. You get one point of contact for materials, trades, and the permit file, not a phone tree.
Detached Shops and ADU Pads
Building a detached shop or ADU on open Montara land is not the same as a backyard shed. The county wants to see a soils report before it will even look at a footing plan on the canyon side. We pull that geotech early, then design piers to bedrock, set the septic and well setbacks, and lay the drainage so winter rain does not sheet toward the leach field. That is why a Montara ADU quote looks different from a San Jose quote, and why ours holds.
Home Additions on Hillside Lots
Adding a bedroom or a second story to a Montara hillside home often means tying into a pier-and-beam foundation that was poured in the 1960s. The addition has to match the existing floor height, carry the wind load off the Pacific, and drain without undermining the slope. We scope the structural tie-in, the roofing transition, and the county checklist up front. A home addition here runs $45,000 to $130,000, and the soils report often sets the price more than the square footage does.
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.
Construction Company in Montara
As a Construction Company working in Montara, we handle the jobs that need more than a single trade: full exterior-to-interior renovations, ground-up ADUs, garage conversions, and hardscape that actually drains. A garage conversion in Montara runs $30,000 to $80,000, and a concrete driveway, which on a sloping lot has to be poured with proper base compaction and drainage channels, runs $4,500 to $12,000. We bring material access to 50+ manufacturers, so you are choosing between Cambria and Caesarstone countertops, not between whatever is in stock at one supplier.
Exterior-to-Interior Scope
Most remodelers stop at the interior drywall. We do not. On a Montara home, we can replace a failing roof with GAF or CertainTeed materials, re-side the house with James Hardie to handle salt air, install impact-rated PGT windows, and then gut the kitchen and baths, all under one contract. That is the point of hiring a general contractor, and it matters more on the coast where every exterior system is fighting the same fog and salt.
Prefab and Traditional ADUs
For Montara homeowners who want a faster path to a rental or in-law unit, we work with prefab ADU partners like Abodu and Dvele, and we also build traditional stick-framed ADUs when the site calls for it. Either way, the county’s geotechnical and septic rules apply. Your ADU, handled means we manage the soils report, the pier design, the utility trenching, and the permit sign-off, whichever construction method you choose.
Trusted Brands We Service in Montara
When you build in salt air, the brand of fixture and flashing matters. We specify Grohe and Toto for coastal bathrooms because their finish and valve quality hold up to the fog that eats cheaper chrome. For wet-area waterproofing, we use Schluter systems in showers and tub surrounds, and for bath fixtures we can also source Sterling where the budget calls for solid mid-range hardware. Because we carry access to these brands across our Montara projects, we can usually order material fast and stop rust or finish failure before it becomes a callback.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Montara Homes
- Bids written before the soils report comes back. A contractor quotes a detached ADU or workshop at a standard footing depth, then the geotech shows slide deposits and the piers have to go twelve feet deeper. The price jumps mid-job, and the homeowner eats it. We pull the bore log first.
- The wrong permit set for county jurisdiction. Montara is not a city-permitted area. Someone pulls a city-style permit package, San Mateo County bounces it, and the inspection schedule stalls for weeks. We file to the county’s checklists from day one.
- No grading and drainage plan on an open lot. Without a swale and proper slope away from the septic field and well head, winter rain pools and cuts. Then the final inspection fails and the punch list becomes erosion repair. We put drainage in the original scope.
- Salt-corrosion short cuts on exterior hardware. Cheap fasteners, unrated flashing, and builder-grade exterior fixtures fail within a few fog seasons near the bluff. We spec marine-grade fasteners, corrosion-resistant flashing, and coastal-rated windows like PGT or CGI so the exterior lasts.
Pricing for General Contractor in Montara, CA
Montara pricing reflects the land, not just the labor. Here are the line-item ranges we quote for the most common acreage and hillside projects:
| Project | Price Range |
|---|---|
| ADU Construction | $90,000 – $220,000 |
| Home Addition | $45,000 – $130,000 |
| Garage Conversion | $30,000 – $80,000 |
| Concrete Driveway Installation | $4,500 – $12,000 |
The geotechnical report, pier depth, septic and well setbacks, and haul distance from Highway 1 all move the final number. We scope those line items before we quote, so you are not surprised by a change order. Call (833) 400-1314 for a free, written estimate on your Montara project.
We Also Serve Cities Near Montara
Our General Contractor team works up and down the San Mateo coast. Beyond Montara, we regularly take projects in Moss Beach, El Granada, Pacifica, and Half Moon Bay. Each of those towns has its own relationship to the bluffs and the fog, and we scope every job to the specific lot. If you are planning a build anywhere along this stretch, you can read more about our work in Montara or call us directly at (833) 400-1314.
Serving Montara, CA — Our Local Coverage Area
We’re based in the Montara 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 Montara
Montara is an unincorporated community, so all building permits, grading permits, and septic approvals go through San Mateo County’s planning and building departments, not a local city hall. For you that means a different permit set, different inspectors, and often a longer review clock, especially when a geotechnical report is required. Call (833) 400-1314 and we will tell you exactly which county checklist applies to your lot.
Almost certainly yes. Much of Montara’s buildable acreage sits on marine terraces and ancient landslide deposits, and the county routinely requires a geotechnical report before it will approve footings on those slopes. We have seen a standard shallow footing rejected off Kanoff Street and replaced with deep piers to bedrock. That report changes both the schedule and the cost, and we get it before we quote.
On open Montara lots without sewer service, your septic tank, leach field, and well head each carry minimum setback distances from structures, property lines, and each other. Those setback radii often force a building pad into a less convenient corner of the lot, which can mean longer utility trenches, more grading, or deeper piers. We map the setbacks first and then draw the building envelope, so the layout is legal before we price it. Call us at (833) 400-1314 for a free evaluation.
Montara’s canyon roads and narrow driveways mean concrete trucks, boom lifts, and material deliveries often cannot stage directly on site. We plan for a transfer yard or a pump truck, and we order materials in smaller lifts so we do not block Kanoff Street or the surrounding lanes. That logistics cost is real and it belongs in your quote as a line item, not as a surprise after we start. Ours is always in writing up front.
Because on Montara acreage, the things that go wrong are predictable if you look at the land honestly: pier depth, drainage, septic setbacks, and access. We write every one of those into the scope of work, with materials and brand selections named, so the price we quote is the price you sign. A verbal bid that does not include the geotech outcome or the drainage swale is not a bid at all. Call (833) 400-1314 to get yours in writing.
Written by Noel Carvalho, Owner at Silver Line Contractors, serving Montara and the San Mateo coast.