Home Remodeling & Commercial Construction Services | San Mateo & Bay Area | Marcos J & I
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Serving San Mateo & the Bay Area (415) 336-3726 Online
Marcos J & I Construction Inc — Contractor License #1160455
Modern remodeled kitchen with island

Services · Residential & Commercial Every trade.
One accountable team.

Remodels, additions and new homes. Tenant improvements and commercial construction. Planned, built and managed by a licensed Bay Area general contractor.

01What We Do

From a single room to a ground-up build.

  1. 01Home RemodelingResidential
  2. 02Kitchen RemodelingResidential
  3. 03Bathroom RemodelingResidential
  4. 04Home AdditionsResidential
  5. 05New ConstructionResidential
  6. 06Tenant ImprovementsCommercial
  7. 07Retail & Commercial RemodelsCommercial
  8. 08Commercial ConstructionCommercial

Residential

05 services
Home Remodeling
01Residential

Home Remodeling

Whole-home and room-by-room remodels that modernize layouts, improve flow and add lasting value to your property.

  • Layout changes and open-concept living
  • Flooring, trim, lighting and finishes
  • One team from demolition to final walkthrough
Kitchen Remodeling
02Residential

Kitchen Remodeling

Custom layouts, cabinetry and finishes built around the way you cook, gather and live.

  • Cabinetry, countertops and islands
  • Electrical and plumbing updates by our team
  • Lighting, backsplash and appliance installation
Bathroom Remodeling
03Residential

Bathroom Remodeling

Precise tile work, smart storage and durable materials — bathrooms that feel like a retreat.

  • Showers, tubs and custom tile
  • Vanities, fixtures and storage
  • Waterproofing done right
Home Additions
04Residential

Home Additions

More room without moving. Additions and second stories designed and built to match your home seamlessly.

  • Bedroom, living and ADU additions
  • Foundations, framing and roofing
  • Seamless match with your existing home
New Construction
05Residential

New Construction

Ground-up homes built to code, on schedule and to a finish you’ll be proud of for decades.

  • Foundation to final finish
  • Clear schedule and budget from day one
  • Regular updates at every milestone

Commercial

03 services
Tenant Improvements
01Commercial

Tenant Improvements

Efficient build-outs that get your space open, compliant and operating on time.

  • Office and suite build-outs
  • Partitions, ceilings, lighting and finishes
  • Work scheduled around your business
Retail & Commercial Remodels
02Commercial

Retail & Commercial Remodels

Storefronts, retail spaces and restaurants refreshed to attract customers and stand up to daily use.

  • Storefront and interior upgrades
  • Durable, easy-to-maintain finishes
  • Minimal downtime
Commercial Construction
03Commercial

Commercial Construction

New commercial builds delivered with clear scheduling, coordination and accountability.

  • Site work, concrete and structure
  • Coordinated trades under one contract
  • Built to code and to spec
02In-house trades

Fewer hand-offs. Tighter schedules.

Our own crews handle the core trades, so your project moves faster and quality stays consistent from start to finish.

  • 01FramingStructural framing for additions, new builds and remodels.
  • 02ConcreteFoundations, slabs, driveways and flatwork.
  • 03ElectricalWiring, lighting and electrical upgrades.
  • 04PlumbingSupply, drain and fixture installation.
  • 05DrywallHanging, taping and smooth, paint-ready finishes.
03FAQ

Questions, answered.

Don’t see your question? Call us — we’re happy to talk through your project.

Free Estimate — No Obligation

Let’s build something that lasts.

Tell us about your project and get a clear, detailed estimate from a licensed Bay Area contractor — at no cost and with no obligation.

California Contractor License #1160455Licensed & InsuredGuaranteed Work
Call Now Free Estimate
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