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
Hiring a General Contractor in Montara means finding someone who understands Highway 1 logistics, coastal moisture, and San Mateo County permitting before the first permit is filed. We’re Iron Beam Contractors, led by Nolan Driscoll, and we scope every Montara project against the real constraints of this coastline: narrow access roads, salt-laden fog, steep lots, and County review timelines. If you’re planning a kitchen remodel, a detached ADU, a roof replacement, or a full addition on an acreage lot off Highway 1, call (833) 756-5936. We’ll walk the site, confirm what the County and possibly the Coastal Commission will require, and give you a line-item quote before you commit to anything.
Why Iron Beam Contractors Is Montara’s Preferred General Contractor Company
We’ve built our reputation in Montara by treating every quote as a pre-construction exercise, not a sales pitch. Homeowners on the hillside ranch streets and along the Highway 1 corridor keep calling us back because we don’t discover problems after permits are filed. We go looking for them first. Nolan Driscoll has walked dozens of Montara lots where the septic system, the well location, or the coastal erosion line changes the entire project footprint. That’s the difference between a general contractor and someone who coordinates subcontractors.
Our Montara customers consistently mention three things: we show up when we say we’ll show up, we quote from the actual County requirements rather than a generic template, and we don’t pad change orders mid-project. We carry full general contracting scope under one agreement so you aren’t juggling a roofer, a plumber, and a prefab supplier yourself. For coastal remodeling, additions, roof work, and ADU construction, that single-point accountability matters. A lot.
Styles & brands we work with







Residential General Contractor in Montara
Residential General Contractor work in Montara means managing a build on a coastal lot where the rules differ from every incorporated city over the hill. A typical roofline replacement on a 1950s beach cottage, a full kitchen and bath remodel in a ranch-style home, or a detached ADU on a steep acreage parcel all start with the same first step: confirming what San Mateo County will actually approve. Then we build the schedule around it. Kitchen remodels in Montara generally run $14,000 to $45,000 depending on cabinet and countertop selections. A full home addition runs $45,000 to $130,000 based on site access and structural work. Every number goes through the same line-item scoping before we quote.
Coastal-Specific Remodeling Scope
Salt air in Montara doesn’t just age paint. It corrodes standard fasteners, rusts flashing, and accelerates rot in any wood detail that wasn’t specified for a marine environment. When we remodel here, we spec corrosion-resistant hardware as the default, not the upgrade. That applies to decks, siding, roofing underlayment, and even interior fixtures where fog intrusion is consistent. A kitchen remodel off Highway 1 gets the same weather-tight detailing as the exterior envelope because the building science crosses the threshold.
Acreage and Hillside Additions
On Montara’s hillside lots, an addition isn’t just framed walls. It’s grading, drainage, retaining, and sometimes a geotech review before the County signs off. We scope these as part of the quote, not as a surprise line item later. Detached structures, shops, and ADUs on acreage parcels also need septic and well setback verification before the pad location locks in. That upfront work is exactly what keeps a quoted price honest.
Hire a General Contractor in Montara
Hire a General Contractor in Montara when the project touches more than one trade, more than one permit, or more than one inspection cycle. A garage conversion here can run $30,000 to $80,000 depending on whether the existing slab and framing work with the County’s requirements. An ADU construction typically runs $90,000 to $220,000 when you factor in coastal exposure, hillside access, and prefab or stick-built decisions. Roof replacement on a Montara home runs $8,000 to $20,000, with metal roof installation running $15,000 to $40,000 for the marine-grade systems this climate actually needs. We quote these from the site, not from a spreadsheet.
Pre-Permit Site Walk
Before we quote a Montara project, we walk the lot. We check the access path from Highway 1, the slope, the drainage pattern, and the visible condition of any existing structure. We confirm whether the parcel is in a Coastal Commission review zone and whether the County has prior permits on file. That’s not optional due diligence. It’s the only way to give a number that holds up through inspection.
Single Contract, Full Scope
From blueprint to backyard, one contract covers the interior, exterior, and site work. We don’t hand you a list of subs and wish you luck. We sequence the trades, pull the County permits, manage the inspections, and stay on the job until the final sign-off. That’s the structure Nolan Driscoll built the company on: one accountable team for every phase.
Trusted Brands We Service in Montara
We spec materials for coastal longevity, not just catalog appeal. For Montara homes, that means James Hardie siding on exterior walls that face the fog line, KraftMaid cabinetry in kitchens where moisture swings are constant, and Plant Prefab or Tuff Shed structures engineered for tight coastal sites and steep access. For specialized needs like Mr-Glass repair in Montara, we coordinate with certified installers who understand marine exposure. We keep a working inventory of common fasteners, flashing, and trim profiles used in Montara remodels so small corrections don’t stall a schedule. Your project deserves real brands, real standards, and a contractor who can install them correctly on a marine lot.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Montara Homes
- County septic and well setbacks killing a pad location after quote. We see this on acreage ADUs and shop builds where the buyer was quoted a structure footprint before anyone checked the County’s required distances from septic tanks, leach fields, and wells. We confirm setbacks before the quote.
- Highway 1 delivery and staging costs blowing the draw schedule. Narrow driveways, tight turnarounds, and coastal access limits mean material delivery in Montara costs more and takes longer than in Half Moon Bay or Pacifica. We build that into the schedule and the number from day one.
- Standard hardware corroding within two winters. Standard big-box fasteners and flashing fail fast in salt fog. We default to marine-grade and corrosion-resistant options on every exterior detail, including deck hardware and roof penetrations.
- Grading that fails wet-winter runoff. Sloped open lots in Montara shed water hard from November through March. Without proper drainage, swales, and erosion control, a newly graded pad can undercut itself in one wet season. We spec drainage as part of the site scope, not as a landscaping afterthought.
Pricing for General Contractor in Montara, CA
Here’s what Montara homeowners should budget, based on current coastal San Mateo County market rates and our actual project history in the 94037 ZIP code.
| Project Type | Typical Montara Range |
|---|---|
| ADU Construction | $90,000 – $220,000 |
| Home Addition | $45,000 – $130,000 |
| Garage Conversion | $30,000 – $80,000 |
| Roof Replacement | $8,000 – $20,000 |
| Metal Roof Installation | $15,000 – $40,000 |
What moves a Montara number more than anything: access. A flat lot with a wide driveway off a side street quotes lower than a steep hillside parcel with a single-lane access off Highway 1. County permit fees, Coastal Commission review (when triggered), and the haul distance for materials all factor in. We give free, written, line-item estimates. Call (833) 756-5936 and we’ll schedule the site walk.
We Also Serve Cities Near Montara
Iron Beam Contractors works across the San Mateo County coast. We regularly serve General Contractor in Montara projects as well as Moss Beach, El Granada, Pacifica, and Half Moon Bay. The coastal conditions along this stretch of Highway 1 are consistent, but every town has its own permitting path. We know the differences and we plan for them.
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 unincorporated San Mateo County, so additions, remodels, ADUs, and roof replacements go through the County’s building department, not a city hall. Lots near the coastal bluff may also trigger California Coastal Commission review, which adds a second approval track. Call (833) 756-5936 and we’ll check your specific parcel before you file anything.
Septic tank and leach field setbacks, well location and setbacks, access path from Highway 1, drainage and erosion patterns, and whether any portion of the lot falls inside Coastal Commission jurisdiction. If any of these forces a pad move or a foundation change, it has to happen before the quote, not after permits are filed. We verify all of it during the site walk.
Highway 1 is the only artery, and many Montara driveways are narrow, steep, or both. That means smaller trucks, more trips, sometimes a transfer to a smaller loader, and longer staging windows. We price the haul realistically so the schedule and the budget don’t crack when the first load arrives. Call (833) 756-5936 for a quote that includes the real logistics.
We spec swales, erosion control, and retaining where the grade demands it, and we default to corrosion-resistant fasteners, flashing, and roofing components rated for a marine environment. Standard hardware is not a budget line item on a coastal lot. It’s a failure point. We build the details into the quote from the first site walk.
A written scope, a line-item quote, a draw schedule tied to inspection sign-off, and one accountable point of contact from start to finish. Nolan Driscoll runs every Montara project that way. We don’t start work until you’ve seen the full breakdown, and we don’t file for a draw until the work behind it has passed. Call (833) 756-5936 to schedule your free estimate.
Written by Nolan Driscoll, Owner at Iron Beam Contractors, serving Montara and the San Mateo County coast.