Carrillo Construction & Remodeling LLC

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Home Additions
Professional Service

Home Additions

Added square footage that reads like it was always part of the house

(408) 889-3046
Free Estimates
Local Service
Quality Workmanship
Overview

A premium take on home additions

An addition is the one project where a shortcut always shows: rooflines that don't align, a floor that steps down an inch, siding that never quite matches. We start at the foundation and the framing plan, tie the new roof and walls into the existing structure properly, and extend the mechanical runs from what's already there instead of bolting on a second system. Bedroom suites, family-room bump-outs, second stories and garage conversions across the South Bay.

This service is a good fit for homeowners and property managers who want a clean, professional result without juggling the details themselves. We handle the prep, the finish work, and the cleanup so the space is ready to enjoy when we're done.

What's Included

Every project covers the essentials

  • Foundation, framing and roof tie-ins engineered to the existing house
  • Rooflines, siding and trim matched to the original structure
  • Plans, structural calculations and city permits handled
  • Electrical, plumbing and HVAC extended to current code
  • Title 24 energy compliance handled with the permit set
  • Written workmanship warranty on the completed addition
Our Process

Four steps from first call to final walkthrough

01

Feasibility & Measure

We check setbacks, the existing structure and your lot before anyone draws anything, so the plan is buildable.

02

Plans & Permits

Architectural and structural drawings, energy compliance, and the permit application filed for you.

03

Foundation to Finish

Footings, framing, roof tie-in, mechanicals, inspections and finish work by one crew.

04

Final Walkthrough

We walk the new space with you, clear the punch list and hand over closed permits.

Why It Matters

The difference a careful job makes

Small choices in prep, materials, and finish work add up to a result that looks better and lasts longer.

Polished Finish

A clean, professional result that elevates the look and feel of the space.

Built to Last

Careful preparation and quality materials help the result hold up over time.

Detail-Driven

We sweat the edges, transitions, and finish work that cheaper jobs skip.

Respect for Time

Clear timelines and steady communication from first contact to walkthrough.

Our Standard

Detail-driven from start to finish

Premium results come from disciplined habits — not shortcuts. Here's the standard we hold ourselves to on every project.

Clear Communication

Straightforward answers, transparent scope, no surprises.

Careful Preparation

Surfaces, materials, and the site are prepped before any real work begins.

Professional Materials

We work with materials chosen for the finish and longevity they deliver.

Respect for Property

Floors, fixtures, and surroundings are protected throughout the project.

Final Quality Check

Every job ends with a walkthrough so the result matches expectations.

FAQ

Questions, answered

Timelines depend on the size and scope of the project. After a quick conversation about your space, we'll share a realistic estimate before any work starts.

Yes — every project starts with a free, no-pressure estimate so you know exactly what's included before deciding to move forward.

Careful prep is part of the work. We protect surrounding surfaces, prepare the work area, and stage materials so the project runs cleanly start to finish.

Absolutely. We're happy to walk through options that fit the look you want and the way the space is actually used day-to-day.

Yes. Cleanup and a final walkthrough are part of every job — the space should feel finished, not unfinished.

We serve San Jose and the surrounding Bay Area, including Santa Clara, Sunnyvale, Cupertino, Mountain View, Milpitas, Los Gatos, Saratoga, Palo Alto, Redwood City, Fremont, Dublin, Pleasanton, Morgan Hill and Gilroy. Not sure about your address? Just ask when you request your estimate.
Ready When You Are

Get a free estimate for home additions

Share a few details about your project and we'll get back to you with clear next steps.

(408) 889-3046
Free Estimates
Local Service
Quality Workmanship