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 Daly City
Most Daly City homes sit on sand. Not a little sand, either. The city is built almost entirely on the steep, windblown dunes of San Bruno Mountain’s western slope, and that single fact shapes every foundation, deck, fence line, and second-story pop-up we touch. When you’re planning a kitchen remodel, bathroom upgrade, or an ADU on a 1950s stucco-over-wood-frame tract home in 94014 or 94015, you need a general contractor who understands salt fog, dune soil, and what those two things do to fasteners, framing, and flashing. That’s what we do at Seaside Contractors. Call Glen and our team at (833) 589-8103 and we’ll give you a straight answer on whether your project is a standard job or a coastal-spec job before you spend a dollar.

Why Seaside Contractors Is Daly City’s Preferred General Contractor Company
We didn’t learn Daly City from a map. We learned it from pulling rot-saturated window frames out of houses off Gellert Boulevard and watching fence posts heave out of the sand near Westmoor. Glen Sorrento runs a team that treats Daly City as its own set of engineering problems, not just another Peninsula zip code. The difference matters when a homeowner asks whether their 1958 stick-frame home can hold a master suite addition without a full seismic retrofit.
Our Daly City customers come back to us for one reason: we specify materials that survive the fog and the wind. Standard zinc-plated hardware that works fine in Redwood City will rust through in two seasons off the Colma side. We write that because we’ve replaced it. When you hire us, you’re getting a General Contractor team that has already made the local mistakes so you don’t pay for them twice.
We’re not a specialty subcontractor. We manage the whole job, from structural scope to finish hardware, which means you aren’t coordinating a roofer, a cabinet installer, and a deck builder who’ve never met. One crew, one punch list, one call.
Styles & brands we work with







General Contractor Services in Daly City
General Contractor Services in Daly City cover the full scope of residential work: structural assessment, demolition, framing, plumbing, electrical, insulation, drywall, waterproofing, finish carpentry, and material installation. A homeowner comes to us when the project involves more than one trade, or when the house itself needs careful evaluation before a wall comes down. In Daly City, that evaluation almost always includes a look at what the salt air has been doing to the framing and what the dune sand has been doing to the footings.
Here’s what that looks like in practice. A kitchen remodel in the Westlake district usually runs $14,000 to $45,000. A smaller kitchen in a 94015 condo can be done for $9,000 to $20,000. The number moves based on whether you’re keeping the existing footprint, whether the subfloor has to be repaired from decades of fog-driven moisture, and which cabinet and countertop lines you choose.
Kitchen and Bath Renovation
We handle cabinet installation ($4,000 to $13,000), countertop installs ($2,000 to $6,500), backsplash ($800 to $2,500), and kitchen island builds ($3,000 to $10,000). For baths, a full remodel in Daly City runs $9,000 to $28,000; a smaller guest bath can land between $5,000 and $12,000. We spec Schluter waterproofing behind the tile and Kohler or Toto fixtures up front, because a bathroom that leaks behind the wall in Daly City’s damp air becomes a mold problem fast.

Deck and Outdoor Construction
Decks on the dune side need more than a standard footing. We tie load-bearing posts into properly compacted bearing, not loose sand, and we use stainless fasteners and marine-grade flashing at every connection. Paver patios run $3,500 to $11,000 depending on the base prep required. If the ground under the pavers hasn’t been compacted before the job starts, the patio shifts within two seasons. We fix that before the first paver goes down.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Construction Company in Daly City
A Construction Company in Daly City has to think about the whole envelope of the house: the roof, the walls, the windows, the foundation, and the deck. That’s the work we take on. When a homeowner on a dune-side street west of Junipero Serra calls us about a sagging deck or a fence that’s leaned over, the first thing we check is whether the original footings were ever set into stable bearing. Most weren’t. Sand moves, and whatever was built on top of it moves with it.
Our team handles room additions, second-story pop-ups, garage conversions, and ADU construction from the ground up. A home addition in Daly City typically runs $45,000 to $130,000. A garage conversion lands between $30,000 and $80,000. A full ADU is the biggest line item: $90,000 to $220,000, and that number reflects both the cost of materials and the reality that almost every Daly City lot requires some kind of soil stabilization before concrete goes in.
Additions and Structural Work
Before we open a single wall, we verify what the framing was actually engineered for. Many of these 1950s tract homes were built minimally. A second-story pop-up isn’t just a framing project; it’s a load-path question. We check subfloor capacity, foundation condition, and whether the existing stick-frame can even carry the new floor without new beams or shear panels. If it can’t, we tell you before the estimate changes, not after.

Roofing, Windows, and Exterior Envelope
Salt-laden fog and wind-driven rain punish a roof and the windows below it. Roof replacement in Daly City runs $8,000 to $20,000 depending on pitch, material, and whether the decking underneath has rot. Window replacement runs $4,500 to $15,000. We lean on PGT and Therma-Tru frames with stainless hardware where the exposure is worst. This is the one place where spending more up front is the cheap option over ten years.
Trusted Brands We Service in Daly City
Seaside Contractors maintains direct relationships with more than 50 manufacturers across every trade category, and we use that access to match materials to Daly City’s conditions rather than to whatever’s stocked at the nearest supply house. Our team specs Delta and Toto fixtures where finish longevity matters, American Standard where budget is the priority, and Schluter waterproofing systems behind every shower and wet wall. We can also access the full KraftMaid and Wellborn cabinetry lines, Cambria and Silestone countertops, and GAF or CertainTeed roofing systems, which means your kitchen, bath, and roof all come from one accountable team, not three different subcontractors with three different supply chains.
See the difference
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After
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AfterCommon General Contractor Problems We See in Daly City Homes
- Rusted fasteners and flashing from salt fog: Standard galvanized hardware fails quickly in Daly City’s persistent coastal moisture. We specify stainless or hot-dip galvanized at every exterior connection, because replacing a rust-eaten railing post costs more than upgrading the hardware the first time.
- Fence posts and deck footings heaving in dune sand: West of Junipero Serra especially, the ground under a post hole is loose, wind-deposited sand that was never compacted. We sink posts deeper, compact the bearing, and when the structure calls for it, tie down instead of relying on friction.
- Post-WWII framing that was never meant for expansion: These stucco-over-wood-frame tract homes were built light. If you’re planning a second-story pop-up or a large addition, the load path has to be verified first. We check the framing before we quote, so the number you sign is the number you build.
- Wind-driven rain getting into poorly sealed walls: The afternoon westerlies push rain sideways. Caulk and standard flashing don’t hold up. We detail the envelope with marine-grade flashing and sealed joints that actually shed water rather than trapping it behind the stucco.
Pricing for General Contractor in Daly City, CA
Daly City pricing tracks with the coastal-spec premium. The materials are a step up, and the labor is a step more deliberate. Here are the numbers we quote most often:
| Project | Daly City Price Range |
|---|---|
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
| Home Addition | $45,000 – $130,000 |
| Paver Patio Installation | $3,500 – $11,000 |
What moves a quote up or down: whether the soil under the foundation needs compaction work, whether the existing framing carries the new load, whether the windows and doors are coastal-exposure-rated, and which finish materials you choose. We write line-item estimates so you can see exactly what you’re paying for, and the estimate is free. Call Glen at (833) 589-8103 and we’ll walk the site with you.
We Also Serve Cities Near Daly City
We work throughout the northern Peninsula, including Daly City proper and the surrounding communities of Broadmoor, Colma, Visitacion Valley, and Brisbane. If you’re in one of those neighborhoods and planning a remodel, an addition, or an ADU, the same crew and the same coastal-spec standards apply. Call us and we’ll schedule a site visit.
Serving Daly City, CA — Our Local Coverage Area
We’re based in the Daly City 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 Daly City
A coastal-spec quote includes stainless or hot-dip hardware, marine-grade flashing, sealed joints, and sometimes more substantial footings and bracing. In Daly City, that’s not an upgrade; it’s the minimum for a structure that faces salt fog and wind-driven rain every month of the year. The inland quote uses standard zinc-plated fasteners and standard flashing. After five to ten seasons here, the standard spec rusts, leaks, or heaves, and the repair bill exceeds whatever you saved. Call (833) 589-8103 and we’ll show you the line-item difference between a Daly City spec and an inland spec before you commit.
Yes, and not only for the usual building permit. On a dune-side lot west of Junipero Serra, the city will typically require documentation that the footings and foundation are designed for the soil conditions, which often means a soils report and engineered detail. We pull the permits for you and coordinate the inspections. If a contractor tells you a deck or addition doesn’t need a permit in Daly City, get a second opinion. Call us at (833) 589-8103 and we’ll handle the paperwork.
The ground under those streets is loose, wind-deposited dune sand that was never compacted in place. When a post is set into uncompacted sand, it shifts as the sand re-settles, and the constant afternoon wind adds lateral force. Within a few seasons, heaving and sinking become visible. We correct it by over-excavating the hole, compacting the bearing in lifts, and using deeper embedment or tied-down connections, depending on the structure. The fix costs more on day one and far less over a decade.
Often yes, but not without verification. These homes were framed to minimum standards with no allowance for additional load. We check the foundation, the subfloor capacity, the existing shear resistance, and the roof structure before quoting. In some cases, adding a pop-up means new beams or stronger shear panels on the first floor. In others, the house as-built can carry the addition with relatively little structural work. The only way to know is an on-site inspection of what’s actually in the walls. Call (833) 589-8103 and we’ll tell you what your house can hold.
A written scope of work, a line-item estimate, a materials list that names the specific brands and hardware grades, a permit plan, and a timeline. You should also get a site-specific note on soil and exposure conditions if you’re on the dune side. If the contractor can’t tell you what fasteners they’re using on an exterior deck or whether the soils report is required, walk away. We hand you the full packet before you sign. Ask Glen at (833) 589-8103 and we’ll walk the site and write it all down.
Written by Glen Sorrento, Owner at Seaside Contractors, serving Daly City and the greater San Mateo County region.