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
Half Moon Bay homeowners planning a remodel, addition, or ADU on acreage need a general contractor who understands county permitting, septic setbacks, and salt-air corrosion before the first estimate is written. Most projects here fall under San Mateo County jurisdiction, not the city, which changes everything from review timelines to where a structure can sit on your lot. We work across Half Moon Bay’s 94019 zip code and the surrounding coastal communities, and we scope every job with those local rules in mind so you’re not hit with redesigns after excavation starts. Call (844) 681-3590 to schedule a free estimate with a General Contractor who already knows the ground you’re building on.
Why Framework Contractors Is Half Moon Bay’s Preferred General Contractor Company
Noel Carbajal and our crews have spent years working the San Mateo coast, and that experience shows in how we price and plan. We know that a two-acre lot off Higgins Canyon Road has different access challenges than a bluff-edge build near Miramar, and we factor those realities into our quotes before you sign anything. Local homeowners consistently tell us the same thing: they want one accountable team managing the entire scope, from septic to siding, without juggling three specialty trades. That’s the model we built Framework Contractors around. Our reputation in Half Moon Bay comes from showing up when we say we will, pulling the right county permits the first time, and using materials that actually survive coastal fog. We’re not the cheapest bid you’ll get, and we’re not trying to be. We’re the contractor you call when you want the job done to spec on a lot where shortcuts fail fast.
Half Moon Bay customers rate us well because we communicate clearly and don’t bury costs in vague allowances. Our team returns calls from El Granada, Moss Beach, and the hills above Main Street within one business day, and we schedule walk-throughs quickly because we’re already working in the area most weeks.
Styles & brands we work with







Licensed General Contractor in Half Moon Bay
A Licensed General Contractor in Half Moon Bay is the person who carries the California contractor’s license, pulls the county or city permits, and takes legal responsibility for the finished structure. On acreage, that role gets more demanding. You’re not just swapping cabinets. You’re dealing with San Mateo County’s planning department, septic and well setback requirements, grading and drainage plans, and sometimes coastal zone review that never applies to a standard Peninsula lot. If you’re adding a detached ADU, a home addition, or a garage conversion, your general contractor has to coordinate with county inspectors, well drillers, septic engineers, and the material suppliers who can actually deliver to a dirt road. Noel Carbajal has run these jobs from the first site walk to final inspection, and that’s the kind of oversight you’re paying for.
County Permitting and Site Review
Most Half Moon Bay acreage projects fall under San Mateo County jurisdiction, which means different setback rules, different review timelines, and different documentation than city-permitted work. We handle the application, the site plan, and the back-and-forth with county staff so you don’t get stuck in a permit queue you didn’t know existed. Expect site review to add two to six weeks before construction starts, depending on the parcel and whether coastal zone review applies.
Septic, Well, and Foundation Coordination
On rural lots, the septic system and well often dictate where a structure can legally sit, not where the view is best. We verify those setbacks before you commit to a floor plan, because redesigning after excavation is a five-figure mistake. A detached ADU on a two-acre Half Moon Bay parcel typically runs $90,000 to $220,000 depending on whether you need a new well, an upgraded septic system, or significant grading before we pour.
Residential General Contractor in Half Moon Bay
A Residential General Contractor in Half Moon Bay manages every trade on a home project so you have one contract, one schedule, and one person to call when something needs attention. That matters more on coastal acreage than anywhere else on the Peninsula. The fog and salt air attack materials year-round, and a home addition or kitchen remodel here has to be built with fasteners, flashing, and framing details that would be overkill in San Carlos or Menlo Park. We run interior and exterior scopes together: a kitchen remodel might require repairing rot in an exterior wall at the same time, and we can handle both without bringing in a separate contractor. For a home addition in Half Moon Bay, expect a range of $45,000 to $130,000 depending on square footage, foundation work, and whether the county requires engineered drainage improvements on your lot.
Whole-Envelope Remodels
Older coastal cottages and ranch homes in Half Moon Bay often need more than one system addressed at once: the kitchen is dated, the redwood siding is soft in spots, and the windows are leaking salt air into the walls. We scope the full envelope in one project relationship, so the remodel doesn’t leave a structural issue hiding behind new cabinetry. That’s the difference between a contractor who only does kitchens and one who can frame, side, and roof as needed.
Garage Conversions and Outbuildings
Garage conversions on Half Moon Bay acreage run $30,000 to $80,000, and the biggest cost drivers are usually foundation work, electrical upgrades, and whether the county requires you to add a sprinkler system. Outbuildings like a detached shop follow similar rules to ADUs but with less plumbing, which can bring the price down significantly. We scope each structure against your specific setbacks before quoting so the price holds.
Trusted Brands We Service in Half Moon Bay
We install what you choose, and we work with the brands that hold up in Half Moon Bay’s climate. For ADU and prefab construction, we partner with Dvele, Boxabl, and Plant Prefab, which means you can get a factory-built unit designed for coastal conditions without losing the site-prep coordination a rural lot demands. Inside, we install KraftMaid and Wellborn cabinetry, Cambria and Caesarstone countertops, and Kohler, Grohe, and Toto fixtures, so your finish selections aren’t limited to whatever a single manufacturer’s line happens to offer. We keep stock of common hardware and materials for Half Moon Bay jobs, which shortens turnaround when a shipment arrives damaged or a detail changes mid-project. One contractor. Every system. Your materials, our craftsmanship.
See the difference
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AfterCommon General Contractor Problems We See in Half Moon Bay Homes
- Septic and well setbacks underestimated before design. We regularly see projects where a homeowner drew a floor plan first and discovered later that the septic leach field or well sits where the addition was supposed to go. County rules, not curb appeal, decide where you build, and we verify those limits before we quote anything.
- Corroded fasteners and flashing on decks and outbuildings. The salt-laden fog off the Pacific eats standard galvanized hardware years sooner than inland crews expect. On a deck in Half Moon Bay, we plan for stainless and marine-grade fasteners from day one, because replacing failed hardware after the fact means pulling boards and rebuilding sections.
- Long material hauls and narrow unpaved access. Delivery trucks that service the Peninsula don’t always want to navigate a one-lane dirt driveway off Higgins Canyon Road or Verde Road. We coordinate haul logistics, schedule smaller trucks when needed, and build access into the quote so change orders don’t appear mid-project.
- Grading and drainage ignored until the first winter storm. Open lots on coastal bluffs and rural acreage shift water in ways city lots don’t. We include a drainage plan with any detached structure, because a shop or ADU that floods its own foundation after one wet season is a liability, not an asset.
Pricing for General Contractor in Half Moon Bay, CA
Here’s what we’re seeing on current Half Moon Bay projects. These are market-calibrated ranges, not promises, and your exact price depends on access, county requirements, and your material selections.
| Project | Half Moon Bay Price Range |
|---|---|
| ADU Construction | $90,000 – $220,000 |
| Home Addition | $45,000 – $130,000 |
| Garage Conversion | $30,000 – $80,000 |
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
County permits, septic upgrades, well work, and grading on unpaved lots all move you toward the top of those ranges. We give written line-item quotes after a site walk, and estimates are free. Call (844) 681-3590 to schedule yours.
We Also Serve Cities Near Half Moon Bay
Framework Contractors works throughout the San Mateo coast. If you’re outside Half Moon Bay proper, we regularly take projects in Half Moon Bay and the surrounding communities including El Granada, Moss Beach, Montara, and Hillsborough. Each of those areas has its own mix of county and city permitting, and we adjust scope accordingly.
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
Most acreage properties in the Half Moon Bay area fall under San Mateo County jurisdiction, which means county permits and county-set setback rules govern your project, and the county may require site plan review before issuing a building permit. If your property sits inside city limits, city rules apply, but rural parcels off Higgins Canyon Road and similar areas are almost always county-permitted. Call (844) 681-3590 and we’ll confirm jurisdiction for your specific address before you spend a dollar on design.
We specify stainless steel and marine-grade fasteners, hangers, and flashing on any exterior structure exposed to the coastal fog, because standard galvanized hardware fails years sooner in Half Moon Bay than in inland Peninsula towns. We also select pressure-treated and naturally rot-resistant lumber where appropriate, and we detail flashing to keep salt-laden moisture out of joints and end grain. This adds modest cost upfront and prevents much larger repair bills in three to five years.
San Mateo County requires minimum clearances between any structure and your septic tank, leach field, and well, and those setbacks often determine where an ADU or addition can physically sit on the lot. We measure and verify those distances during the initial site walk and bring in a septic engineer when the county requires it, so your floor plan matches reality before permits are pulled. The cost of a septic upgrade alone can push an ADU well above $200,000 if your existing system is undersized, and we’ll tell you that in the estimate, not after excavation.
We coordinate deliveries so long-haul trucks don’t get stuck or tear up a soft driveway, which often means scheduling smaller trucks or staging materials at the road and bringing them in with our own equipment. That coordination is baked into our project schedule and our quote. Lot access off roads like Higgins Canyon or Verde can add real cost to a build, and we’d rather tell you about it before you sign than surprise you with a change order.
Yes, grading and drainage are part of our scope on any detached structure, and on Half Moon Bay’s open lots we always include a drainage plan so water moves away from your foundation, not into it. County reviewers want to see that plan before they approve your permit, and we prepare it as part of the application. A well-graded building pad also means a drier, more usable site long after construction ends.
Building on acreage in Half Moon Bay means county rules, coastal conditions, and access challenges that a template contract from a Peninsula remodeling company won’t address. We know this ground. Noel Carbajal has scoped and built rural projects here, from a detached ADU with a well and septic system off Higgins Canyon Road to whole-envelope remodels on coastal cottages that needed rot remediation before finish work could start. If you’re planning a remodel, addition, ADU, or outbuilding on your Half Moon Bay property, call (844) 681-3590 to schedule your free estimate. We’ll walk the lot with you, check the setbacks, and give you a written, line-item price that reflects what it actually takes to build here.
Written by Noel Carbajal, Owner at Framework Contractors, serving Half Moon Bay and the San Mateo coast.