Experienced General Contractor in Marin

Nervous about cost creep and delays? We’re the most experienced design/build team in Marin & Sonoma. Request Consultation ⮕

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Deep knowledge of Marin County ensures tailored, compliant solutions.

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Our designs blend function and beauty, redefining your space.

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Precision and quality are at the heart of every project we undertake.

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"Thanks Mark for coming in on-time and on budget. We may be addicted to home renovation now!"
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Why Remodel With Design Build Specialists?

You’re not “in a remodel” yet… but you can already feel the risk. In Marin, one wrong hire can turn a clean plan into months of dust, change orders, and a budget that keeps creeping up. And once walls are open, you’re kind of stuck.  


Design Build Specialists helps you avoid that spiral before it starts. We use our Design Build Clarity Plan™ to lock in a smart design, real costs, and a timeline you can live with—then we build it. From kitchen remodeling and bathroom remodeling to whole house remodeling and ADU construction, you get one team, one plan, and fewer surprises.

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Service 1

General Contractor

A general contractor isn’t just “the person with subs.” It’s the person who keeps your remodel from turning into a daily fire drill—schedules, inspections, deliveries, change orders, and the thousand tiny decisions that can wreck a timeline.  


In Marin, that job gets real fast. You’ve got older homes in San Rafael, Mill Valley, and Larkspur with quirky framing, tired plumbing, and electrical that’s been “patched” for decades. Add hillside lots, narrow driveways, and foggy, wet winters that punish bad waterproofing and sloppy exterior transitions. Then layer in local permitting and inspection requirements that don’t care how nice your Pinterest board looks.  


Design Build Specialists brings 40+ years of design/build experience in Marin & Sonoma to keep the process tight. We start with the Design Build Clarity Plan™—3D renderings, zoning/permit reality checks, and a budget/timeline that’s based on how homes here are actually built. That means fewer surprises, less rework, and less time watching your house sit half-finished.  


This pairs naturally with Whole House Remodeling when you want the same accountability across every room—not ten separate mini-projects. 

Learn more about our General Contractor Services >

Service 2

Kitchen Remodeling

Kitchen remodeling is where good intentions go to die if the plan isn’t tight. Cabinets show up late. Appliances don’t fit the openings. Lighting gets guessed at. And suddenly you’re cooking on a hot plate for weeks longer than you were told.  


Marin kitchens have their own quirks. A lot of homes—especially mid-century and older stock around Kentfield, Corte Madera, and parts of Novato—were built with smaller footprints, odd chases, and structural walls right where you want an open concept. Add strict permitting, ventilation requirements, and the reality that many families need to stay living in the house during construction. The kitchen becomes the stress center.  


Design Build Specialists handles kitchen remodeling as a true design/build project. We don’t “figure it out in the field.” We use the Design Build Clarity Plan™ to map layout options, confirm code and venting, dial in finishes, and build a realistic budget before you commit. Then our crew executes with clean job sites, clear communication, and a schedule that’s meant to be followed.  


Kitchen projects also pair well with Custom Cabinets, because storage (not just looks) is usually what makes the new kitchen feel like it finally works. If you’re looking for an experienced remodeler who can keep decisions organized and costs predictable, this is exactly the kind of project we’re built for.

Learn more about our Kitchen Remodeling Services >

Service 3

Bathroom Remodeling

Bathroom remodeling sounds simple until you’re the one living through it. Water has to be shut off at the right times. Waterproofing has to be done perfectly. Tile layout has to be planned, not “eyeballed.” And if a shower pan fails later, it’s not a small problem—it’s a rip-out.  


In Marin, we see everything from vintage bathrooms in older San Anselmo and Fairfax homes to hillside properties where moisture control and ventilation really matter. Fog, damp winters, and tight crawlspaces can expose hidden rot, old galvanized lines, and previous “weekend warrior” work. Plus, local inspections don’t play around when it comes to plumbing, electrical, and proper waterproofing.  


Design Build Specialists builds bathrooms at every level—from low-cost facelifts and cabinet refacing to tub-to-shower conversions, fixture upgrades, and full spa-like rebuilds. The key is matching the scope to your budget and timeline without guessing. Our Design Build Clarity Plan™ helps you see the bathroom in 3D, choose materials with confidence, and understand costs before demolition starts.  


Bathroom remodeling pairs well with Countertops (especially when you’re upgrading vanities) so the whole space feels intentional instead of pieced together. If you want a remodeling contractor who respects your home, your schedule, and your sanity, we’re ready when you are.

Learn more about our Bathroom Remodeling Services >

Service 4

Whole House Remodeling

Whole house remodeling is the difference between “we changed a few things” and “this home finally fits our life.” It can also be the fastest way to burn money if the plan isn’t coordinated—because every trade overlaps, and every change affects three other decisions.  


Marin homes are famous for variety and complexity: small cottages tucked off Sir Francis Drake Blvd, mid-century layouts that beg for better flow, and hillside sea-view homes where structural, drainage, and access issues can make or break a project. Older construction can hide undersized beams, outdated wiring, and layers of past remodels that weren’t documented. And Marin’s zoning, setbacks, and floor-area rules can shut down a wish list quickly if you don’t verify early.  


Design Build Specialists is built for this. We start with our Design Build Clarity Plan™—zoning and permit checks, 3D conceptual design, a realistic budget that evolves with the design, and a full timeline (not just “construction starts sometime”). Then we build with one accountable team, so you’re not stuck translating between an architect, a GC, and a bunch of subs.  


Whole house remodeling often pairs with Room Additions when you need more space instead of just reworking what you have.  If you’re interviewing remodeling firms in Marin, ask them how they prevent scope creep before demo. That’s where experience shows.

Learn more about our Whole House Remodeling Services >

Service 5

ADU Construction

ADU construction is not just “building a small unit.” It’s navigating zoning, setbacks, utilities, fire requirements, parking rules, and neighbor-friendly construction—all while keeping costs from drifting into fantasy numbers.  


In Marin, ADUs are popular for a reason: multigenerational living, rental income, and finally having a quiet office that isn’t the dining table. But the local reality matters. Many properties have tight lots, tricky access, hillside grading, or older utility connections that weren’t designed for another dwelling. Coastal moisture and winter rains also mean you can’t cut corners on waterproofing, drainage, and exterior detailing.  


Design Build Specialists brings decades of local design/build experience and a sustainable, practical approach to ADU construction. We start with the Design Build Clarity Plan™ to confirm what your lot can actually support, produce 3D concepts you can understand, and build a budget and timeline you can make decisions with—before you spend big on plans that don’t pencil out.  


ADU projects commonly pair with Outdoor Living Spaces, because once you add a new unit, the yard circulation, patios, and privacy zones usually need a smart rethink. If you want an ADU that’s permitted, buildable, and priced like reality, let’s talk.

Learn more about our ADU Construction Services >

Service 6

Custom Cabinets

Custom cabinets are where the “daily feel” of a remodel lives. Doors that don’t line up, drawers that bind, wasted corners, and awkward storage will bug you every single day—long after the paint smell is gone.  


Marin homes often need cabinets that aren’t off-the-shelf friendly. Older houses can have out-of-square walls and uneven floors. Mid-century homes may call for cleaner lines and smarter built-ins. And in higher-humidity pockets—especially closer to the coast—materials and finishes need to be chosen with real-life conditions in mind, not just showroom lighting.  


Design Build Specialists has been building and sourcing cabinets for decades. We work with strong manufacturer networks and custom resources so you can get the right fit for kitchens, bathrooms, mudrooms, laundry rooms, and built-in storage—without overpaying just because someone slapped “custom” on the invoice. We help you choose layouts that actually function, then install with the kind of precision that keeps doors straight and reveals consistent.  


Custom Cabinets pair naturally with Kitchen Remodeling, because the cabinet plan drives the entire workflow—appliances, lighting, countertops, and even where outlets land. If you’re after a remodeler who treats cabinetry like the backbone of the project (because it is), you’re in the right place.

Learn more about our Custom Cabinets Services >

Cabinet Refacing

Cabinet refacing is the sweet spot when your layout works, but the look is tired. It can also be a trap if it’s done like a quick cosmetic flip—because bad refacing still leaves you with sticky drawers, weak hinges, and boxes that don’t hold up.  


In Marin, we see a lot of solid older cabinet boxes that were built better than what you can buy today. Homes in areas like Terra Linda or parts of Novato often have cabinetry that’s structurally fine, but the doors, finishes, and hardware scream “1992.” Refacing can be a smart move—especially if you want less disruption, a shorter timeline, and a cleaner budget than a full gut.  


Design Build Specialists offers full-spectrum cabinet refacing options. We’ll tell you straight whether your existing boxes are worth keeping, then help you choose doors, drawer fronts, hardware, and finish details that match the rest of your home. Because we’re a design/build team, we can also handle the “while we’re at it” items that make refacing look intentional—like updating lighting, adding better storage inserts, or adjusting panels and fillers so everything looks built-in.  


Cabinet refacing pairs well with Countertops, since a new top and sink can make refaced cabinets feel like a full refresh. If you want affordable and effective without “cheap-looking,” this is the route.

Learn more about our Cabinet Refacing Services >

Custom Countertops

Countertops are one of the last things that go in—and one of the first things you notice. The wrong material choice, sloppy templating, or rushed install can leave you with uneven seams, poor overhang support, and a surface that doesn’t fit how you actually live.  


Marin kitchens and baths see real use: sandy feet after Stinson Beach, wet jackets in winter, kids doing homework on the island, and the daily grind of cooking at home. That means durability matters, but so does maintenance. Some stones stain if you look at them wrong. Some materials handle heat better than others. And in older homes, leveling and substrate work can be the hidden step that makes or breaks the final look.  


Design Build Specialists works as preferred vendors with major countertop product lines and fabricator resources, and we integrate countertops into the whole plan—cabinet heights, appliance clearances, sink selection, faucet reach, backsplash transitions, and lighting. We don’t treat it like a standalone purchase; we treat it like part of a system that needs to fit perfectly.  


Countertops pair naturally with Bathroom Remodeling and Kitchen Remodeling, because the surface choice affects everything from plumbing rough-ins to how the room photographs and feels. If you want countertops that look right, function right, and get installed without drama, we’ll guide you through it.

Learn more about our Custom Countertops Services >

Outdoor Living Spaces

Outdoor living spaces are where Marin life happens—until the space doesn’t work. Maybe the patio drains toward the house. Maybe the slope makes it awkward. Maybe you’ve got a view, but nowhere comfortable to sit when the wind kicks up in the late afternoon.  


Local conditions matter here. Marin’s winter rains will find the smallest grading mistake. Coastal fog and damp air can chew up the wrong materials. Hillside properties need smart structure and drainage. And many neighborhoods have rules and permit requirements that affect decks, retaining walls, and exterior structures—especially when you’re near protected areas or dealing with tricky access.  


Design Build Specialists brings the same design/build discipline outside as we do inside. We help you plan an outdoor space that fits how you actually use it—cooking, dining, lounging, hosting—then build it with proper water management, durable materials, and details that won’t look tired in two seasons. We keep the job site organized and the timeline realistic, so your yard doesn’t become a long-term construction zone.  


Outdoor living pairs well with Room Additions and ADU Construction, because once you change the footprint, the outdoor flow usually needs to change too. If you want an outdoor space you’ll use more than twice a year, let’s map it out.

Learn more about our Outdoor Living Spaces Services >

Room Additions

Room additions sound straightforward: add square footage, problem solved. But in the real world, additions are where planning mistakes get expensive—foundation choices, roof tie-ins, structural loads, HVAC sizing, window placement, and making the new space feel like it belongs.  


In Marin, additions also run into real constraints: setback rules, floor-area limits, and neighborhood considerations. Many lots are tight, sloped, or both. Access for excavation and deliveries can be a headache on narrow streets, and older homes may need upgrades when you expand—electrical panels, seismic considerations, or bringing parts of the house closer to current code.  


Design Build Specialists approaches additions with a design/build process that keeps you out of the “design it first, price it later” mess. Through our Design Build Clarity Plan™, you’ll see the addition in 3D, understand what’s realistic with zoning and permitting, and get a budget and timeline you can trust before you commit. Then we build it with an eye for matching finishes, aligning rooflines, and keeping the rest of the home livable when possible.  


Room Additions pair naturally with Whole House Remodeling, because once you add space, the best results usually come from improving flow, not just tacking on a box. If you’re considering an addition in Marin, let’s talk through options before you spend money twice.

Learn more about our Room Additions Services >

Remodeler

Frequently Asked Questions

  • How much does remodeling cost in Marin County?

    Remodeling costs in Marin are typically higher than the national average due to labor rates, permitting requirements, hillside construction challenges, and the age of many homes. Kitchen remodels often start in the mid–high six figures depending on scope. Bathrooms vary based on plumbing and finish level. Whole-house remodels and ADUs require detailed feasibility review. That’s why we use our Design Build Clarity Plan™ — so you understand realistic costs before construction begins.
  • How do you prevent cost overruns and change orders?

    Most overruns happen because projects are under-designed before construction starts. Our Design Build Clarity Plan™ includes 3D design, detailed scope definition, material selections, and permit feasibility review before demolition. Pricing is based on real decisions — not allowances and guesses. That dramatically reduces surprises and budget creep.
  • How long will my remodel take?

    Timelines depend on scope and permitting. Bathroom remodels typically take several weeks. Kitchens often run 8–12+ weeks. Whole-house remodels, additions, and ADUs can take several months including permits. We provide a clear construction schedule before work begins and tightly manage trades to keep momentum strong.
  • Do I need permits for my project in Marin?

    In most cases, yes. Marin municipalities like San Rafael, Mill Valley, Novato, and Tiburon have strict permitting, zoning, and inspection requirements. Even smaller projects can trigger structural, plumbing, or electrical review. We verify zoning and permit requirements early to prevent expensive redesigns later.
  • Can we live in our home during construction?

    Often yes, depending on the project scope. Kitchen remodels require temporary cooking arrangements. Bathroom remodels require coordinated water shut-offs. Larger whole-house remodels or additions may require temporary relocation. We discuss livability during planning so there are no surprises.
  • What makes remodeling in Marin different?

    Marin homes often include older framing, outdated plumbing and wiring, hillside foundations, moisture exposure from coastal fog, and tight access streets. Add strict zoning and floor-area limits, and experience becomes critical. We build with these realities in mind from the start.
  • When should we contact a contractor?

    Earlier than most homeowners expect. Designing a project without cost alignment is where budgets break down. Our design/build process aligns feasibility, design, and investment from the beginning — so you don’t fall in love with something that can’t be built within your target range.
  • Do you handle both design and construction?

    Yes. We are a true design/build firm. You work with one integrated team from concept through completion. No finger-pointing between architect and contractor. One plan, one contract, one accountable team.
  • What types of projects do you specialize in?

    We specialize in kitchen remodeling, bathroom remodeling, whole-house remodeling, room additions, ADU construction, custom cabinetry, cabinet refacing, countertops, and outdoor living spaces. If the project requires tight coordination and thoughtful planning, we’re built for it.
  • What happens during the first consultation?

    The first meeting is focused on clarity. We discuss your goals, timeline, and investment range, and review zoning or structural realities that could affect the project. If it’s a good fit, we walk you through the Design Build Clarity Plan™ so you understand the exact next steps before committing to construction.