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 Colma
Finding a General Contractor who understands Colma’s unusual building landscape is harder than it should be. Most of the town’s land is cemetery-owned, which means permits and site work often route through cemetery districts and San Mateo County rather than a single city hall. That changes how remodels get priced, permitted, and sequenced. Silver Line Contractors has worked this review path, and we plan for it from the first site visit. If you’re planning a kitchen remodel, bathroom remodel, or full addition in Colma, call us at (833) 400-1314 for a free estimate that accounts for the town’s actual conditions.

Why Silver Line Contractors Is Colma’s Preferred General Contractor Company
Colma homeowners face a specific set of challenges that a general contractor working in Daly City or South San Francisco rarely sees. Cemetery irrigation runoff keeps groundwater high, and fog-belt moisture slows concrete and stucco curing. We plan for both. Our pre-bid inspections include a drainage and water-table assessment, because excavation near irrigated grounds is a dewatering job more often than anyone expects. We also know that a remodel permit on a home near the Daly City border can require sign-off from a cemetery district as well as San Mateo County. That extra layer adds time and cost if it isn’t front-loaded into the contract. We front-load it.
Noel Carvalho leads every Colma project with the same rule: every surprise gets priced in writing before work continues. That discipline is why Colma clients stay with us from the first wall opened to the final inspection. We carry written allowances for rough-in repairs, framing corrections, and waterproofing into every contract, so when an older home reveals cloth wiring or a softened subfloor, the fix has already been budgeted and approved. The client is never standing in a dusty kitchen being asked to make a five-figure decision on the spot.
Styles & brands we work with







General Contractor Services in Colma
General Contractor Services in Colma cover the full scope of residential construction, from kitchen and bathroom remodels to additions and ADU builds. The work typically starts with a detailed inspection, because Colma’s older housing stock hides predictable problems: outdated electrical, undersized framing, and moisture intrusion from adjacent irrigated cemetery parcels. A typical kitchen remodel in Colma runs $14,000 to $45,000, while a bathroom remodel lands between $9,000 and $28,000. The spread reflects what the walls reveal once they’re open.
Full-Scope Remodeling
We manage the entire project under one contract: demolition, rough-in, finishes, and final inspection. Colma homeowners don’t have to coordinate electricians, plumbers, drywall crews, and cabinet installers. Our team sequences the work around county and cemetery-district inspection schedules, which in this town can differ from a standard city permit path.

Structural and Code Upgrades
When a permit triggers code upgrades, the scope changes. Colma’s mid-century homes often need electrical panel upgrades, shear wall additions, or foundation repairs once walls are opened. We write these as allowances before demolition starts, so the cost is known and approved rather than discovered.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
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 Colma
Choosing a Construction Company in Colma means selecting someone who can carry a project from the roof down to the driveway without handing the client a list of subcontractors to manage. Our scope includes interior remodeling, exterior work, and hardscape. A home addition in Colma typically runs $45,000 to $130,000 depending on square footage and foundation conditions. ADU construction runs $90,000 to $220,000, with prefab systems like Abodu, Dvele, and Boxabl offering a faster path through Colma’s layered permitting process.
Exterior-to-Interior Renovation
Colma’s persistent fog and wind-driven moisture keep exterior surfaces under constant stress. We can replace siding with James Hardie, install Therma-Tru exterior doors, and completely renovate the interior kitchen and bathrooms under the same contract. One point of accountability from the first inspection to the final walkthrough.
ADU and Addition Work
ADU construction in Colma requires careful attention to lot lines and drainage, especially on parcels that share boundaries with cemetery grounds. We handle the survey, the dewatering plan, and the county and cemetery-district sign-offs. The client gets a buildable plan with real numbers, not a vague estimate.

Pricing for General Contractor in Colma, CA
Here are the line-item ranges we quote for Colma work. These reflect the town’s actual conditions: older homes, higher moisture, and a permit path that can involve more than one authority.
| Project | Colma Price Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
The lower end of each range assumes minimal structural surprises and standard finishes. The upper end covers code-triggered electrical upgrades, framing repairs, and moisture mitigation. Colma’s fog belt and high water table make waterproofing a real line item here, not an afterthought. We quote allowances in writing so the final bill matches the approved contract. Call (833) 400-1314 to schedule your free estimate, and we’ll walk the site before we price it.
See the difference
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AfterTrusted Brands We Service in Colma
Colma clients get access to more than 50 vetted manufacturers across every trade category. We install Therma-Tru exterior doors, which hold up against the fog-driven damp air that shortens the life of cheaper door units near the coast. For fencing, we work with Master Halco and Barrette, both built for the moisture and wind conditions around Colma’s residential pockets. Roofing options include GAF, CertainTeed, and Owens Corning. Countertop choices include Cambria, Caesarstone, and Silestone. We don’t push a single vendor. We bring the material that fits your budget and your site, and we keep turnaround tight for Colma customers because we stock common installation components locally rather than waiting on out-of-state freight.
Common General Contractor Problems We See in Colma Homes
- Cloth-wrapped wiring and undersized panels. Colma’s older homes were built before modern electrical loads, and a remodel permit triggers panel and circuit upgrades. We plan for this in the initial allowance instead of surprising you with a change order after demolition.
- Gray-water intrusion from cemetery irrigation. Adjacent irrigated grounds keep soil moisture high, and that water migrates into foundations and subfloors. We assess drainage and dewatering needs before excavation starts, so the draw schedule doesn’t stall mid-project.
- Permit sign-offs that run through more than one authority. A home near the Daly City border in 94015 may need cemetery-district review plus San Mateo County sign-off. We sequence rough-in and inspections around that path from day one.
- Fog-belt concrete and stucco curing. Persistent summer fog slows curing times and can trap moisture in exterior finishes. We schedule pours and stucco work for Colma’s dry windows and specify moisture-resistant materials where the fog sits longest.
We Also Serve Cities Near Colma
Silver Line Contractors serves General Contractor in Colma and the surrounding communities, including Broadmoor, Daly City, South San Francisco, and Pacifica. Each town has its own permit quirks and soil conditions, and we plan accordingly. If you’re just over the Colma line, the same written allowance system applies.
Serving Colma, CA — Our Local Coverage Area
We’re based in the Colma 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 Colma
Colma’s housing stock is mostly mid-century, and the builder-grade systems from that era are now failing inside the walls: cloth-wrapped wiring, undersized framing, and moisture-damaged subfloors from adjacent irrigated cemetery grounds. We absorb the discovery process by writing allowances for rough-in repairs, framing corrections, and waterproofing into the contract before demolition starts. When a surprise shows up, the fix is already priced and approved. Call (833) 400-1314 to get a pre-bid inspection and a contract with real allowances.
Yes, in most cases. Opening walls beyond a cosmetic finish triggers electrical, plumbing, and structural reviews. In Colma, that review may involve San Mateo County and a cemetery district rather than a single city building department. We plan for the upgrades that follow, from panel replacement to shear wall installation, and price them as written allowances so the permit doesn’t create an unapproved cost.
Colma sits in the fog belt east of the Pacific, and much of the land near the residential pockets is cemetery-owned and irrigated. That keeps the water table high. When we excavate for a foundation, addition, or ADU, we often have to dewater the hole before pouring. We assess this during the pre-bid inspection and include dewatering in the contract when the site calls for it. Call (833) 400-1314 and we’ll check your site before we quote.
A Colma kitchen remodel runs $14,000 to $45,000, and a bathroom remodel runs $9,000 to $28,000. The range depends on what the walls reveal: existing wiring condition, framing, and moisture intrusion from adjacent irrigated grounds. We quote allowances in writing for the likely repairs, so your final price matches the approved contract.
We schedule loud work, including demolition and excavation, outside of active service hours and away from scheduled processions. Colma’s cemeteries are active places, and the neighbors who work and grieve there deserve quiet. We build that scheduling into the project timeline and communicate it with the cemetery district when the job requires it. For an exact quote on your Colma project, call (833) 400-1314. Estimates are free, and every number is in writing.
Written by Noel Carvalho, Owner at Silver Line Contractors, serving Colma and the surrounding communities.