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 Half Moon Bay
Juggling a renovation on a fog-belt lot in Half Moon Bay means three things up front: staging a crew where there’s no room to park, sequencing permits through the Coastal Act review, and opening walls that salt air has been eating for thirty years. That’s where we come in. Our General Contractor team handles the whole scope from tear-out to final inspection, with one point of contact and a line-item quote built around how the job actually has to be run on the coast. Call (833) 756-5936 and we’ll walk the site with you before quoting.
Why Iron Beam Contractors Is Half Moon Bay’s Preferred General Contractor Company
Half Moon Bay homeowners don’t need a contractor who learned the trade in a dry inland subdivision. They need someone who’s watched fog peel siding off a west-facing wall in three seasons. Nolan Driscoll runs our projects with that reality in mind, from the first moisture assessment through final inspection.
Walk down Kelly Avenue or through the older streets off Main and you’ll see the pattern: homes that were built for a milder climate, now showing soft trim and rust staining below window sills. We quote those repairs honestly, then fix them before they spread behind the framing. Homeowners around El Granada and Moss Beach have seen us work through the Coastal Act permitting sequence without stalling the draw schedule, and that’s the part they mention when they call back for the next project.
We stage on tight lots the way the town actually requires, which means materials land daily, not in one giant drop that blocks a shared driveway for a week. Neighbor friction shuts down jobs. We build the notification and access plan into the quote so it’s not a surprise or a change order later.
Styles & brands we work with
Residential General Contractor in Half Moon Bay
Residential General Contractor in Half Moon Bay work on the coast means managing moisture, access, and permitting in one plan. A residential project here typically spans interior framing, exterior envelope detailing, and the finish trades, and the cost in 94019 runs from about $14,000 for a modest kitchen up to $130,000 for a full home addition. What separates a smooth job from a stalled one is whether the contractor sequenced the coastal permit review before the demo started.
Coastal Weathering and Wall Openings
West- and north-facing walls in Half Moon Bay take wind-driven rain sideways off the Pacific, so rot routinely hides behind siding and window trim here that would never form even 15 miles inland. That means the scope of work on a coastal cottage starts with moisture detailing, not cosmetics. We open the wall, show you what’s there, and re-detail with corrosion-resistant flashing and a ventilated rainscreen before anything cosmetic goes back on.
Single-Point Accountability
One contractor, every phase. You’re not calling three subs to figure out why the window leak reappeared. We own the sequencing from rough-in to finish, and the brands we specify, GAF roofing, Cambria countertops, Kohler fixtures, are selected to survive the damp rather than just look right in the showroom light. For homeowners looking for Toto service in Half Moon Bay, we apply the same coastal-tested approach to every fixture we install.
Hire a General Contractor in Half Moon Bay
Hire a General Contractor in Half Moon Bay only after they’ve walked your specific lot and pointed out the access problems you’ll actually hit. A home addition in Half Moon Bay runs $45,000 to $130,000. An ADU runs $90,000 to $220,000. Those numbers swing with the site, not just the square footage: a hillside lot off Highway 92 with no street parking carries a different staging cost than a flat midtown parcel with a side yard. We price the project in two passes: a desktop range, then a line-item quote after the walk.
Coastal Permit Sequencing
Almost every structural change in Half Moon Bay touches Coastal Act or RCD review at some point. The permit itself isn’t the mystery, the order of operations is. We pull permits before demolition, coordinate the coastal review in parallel with your design approval, and don’t let crews sit idle while the town review runs its course.
One Contract, No Broker
Your project deserves a general contractor, not a coordinator. We carry the trade work under one agreement, from framing through tile, so if a shower valve leaks after the fixture install, there’s one number to call and one firm accountable for it. That’s the difference between a managed project and a broken one.
Trusted Brands We Service in Half Moon Bay
We’re set up to install and service materials that hold their own in the Half Moon Bay fog belt, including fencing and hardscape systems from Jerith, Bufftech, and Belgard. Because we quote and order these products directly through our own supplier relationships, a Half Moon Bay homeowner isn’t waiting on a distributor in Hayward to decide if a panel is in stock. For coastal lots where steel post bases and powder-coated rails are the difference between a ten-year fence and a rust stain by year three, that access matters. We stock the common replacement hardware locally and can usually have job-specific components staged before the demo even begins.
See the difference
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After
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After
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AfterCommon General Contractor Problems We See in Half Moon Bay Homes
- Fog-driven rot behind siding and trim. Salt-laden air keeps surfaces damp much of the year, and west-facing walls push water sideways into the building envelope. We routinely find soft sheathing behind window trim that looked fine from the outside.
- Corroded fasteners and flashing. Standard galvanized hardware that lasts decades in San Mateo rusts through in a few wet seasons on the coast. We specify corrosion-resistant hardware on every exterior connection.
- Underestimated access and staging. A tight downtown lot with no driveway, or a hillside parcel with one narrow approach, changes the entire material-handling plan. Quotes that don’t account for this turn into change orders within the first week.
- Permit stalls from coastal review. The Coastal Act and RCD review process can take weeks if it’s treated as an afterthought. When the permit sequence is wrong, the draw schedule stalls and the project sits.
Pricing for General Contractor in Half Moon Bay, CA
These are the numbers we quote for Half Moon Bay work. They assume standard access and a project that hasn’t been opened up yet revealing hidden framing damage. When we find rot behind a wall, we re-quote that scope before proceeding, not after the fact.
| Project | Half Moon Bay Range |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Window Replacement | $4,500 – $15,000 |
| Roof Replacement | $8,000 – $20,000 |
The free estimate is a real number, not a teaser. Call (833) 756-5936 and we’ll put it in writing.
We Also Serve Cities Near Half Moon Bay
Half Moon Bay projects often pull in trade work from up and down the coast. We cover El Granada, Moss Beach, Montara, and Hillsborough for full-scope General Contractor work, and the same line-item pricing approach applies whether your lot faces the ocean or sits backed against the hills.
Serving Half Moon Bay, CA — Our Local Coverage Area
We’re based in the Half Moon Bay 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 Half Moon Bay
Coastal permit review and fog-driven moisture detailing add real scope that inland projects never see. The Coastal Act and RCD review run on their own timeline, and we price the planning time to match. You’re also paying for materials that survive salt air, corrosion-resistant flashing and hardware cost more than standard spec. Plan for roughly 10 to 20 percent more on the planning and exterior detailing side compared to an equivalent inland job. Call (833) 756-5936 and we’ll show you exactly where those dollars go on your specific project.
Access drives the number more than most homeowners expect. A zero-lot-line cottage with no street parking means daily material drops instead of one large delivery, hand-carried debris instead of a dump trailer, and written notice to shared-wall neighbors before demo starts. We walk the site first and price that carefully so it doesn’t surface as a change order in week two. The walk is free, call (833) 756-5936 to schedule one.
We look for soft sheathing, corroded fasteners, missing or failed flashing, and any sign that water has been driven sideways into the wall cavity. In Half Moon Bay, west-facing walls hold moisture year-round, and it hides until demolition opens it up. If we find it, we quote the repair as a separate line item before proceeding, never as a surprise add-on after the fact.
We notify party-wall neighbors in writing before any demolition starts, and we keep the work hours inside the town’s noise ordinance. On narrow downtown lots, that also means coordinating material deliveries so we’re not blocking a shared driveway or a neighbor’s garage. It costs a little more in logistics, but it prevents the kinds of neighbor disputes that stop work entirely. It’s part of the quote, not an afterthought.
Yes. Both garage conversions and ADUs require permits in Half Moon Bay, and an ADU on a coastal lot almost always triggers some level of Coastal Act or RCD review depending on the parcel. We pull the permits and sequence them so the project’s draw schedule doesn’t stall, and if the review process requires changes to the scope, we flag them before they become expensive surprises. Call (833) 756-5936 for a sit-down on your specific property.
Ready to talk about your Half Moon Bay project? Call (833) 756-5936 for a free estimate and a walk-through on your lot. We’ll give you a line-item quote built for how this coastal town actually builds.
Written by Nolan Driscoll, Owner at Iron Beam Contractors, serving Half Moon Bay and the San Mateo coast.