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ADUs, garage conversions, and any house remodels — built to stay, fairly priced.

Licensed general contractor for accessory dwelling units, garage conversions, and home remodeling across Los Angeles County, Orange County, Pasadena, the San Gabriel Valley, Long Beach, Malibu, Santa Barbara, and San Bernardino County.

How we differ

A project goes well when the work is done right and you can reach the person running it.

  • Twenty years on these jobs — ADUs, garage conversions, and remodels.
  • Most of the work stays with our crew. Fewer subs, so we keep control of the job.
  • Priced by a smaller shop, not a big company. There isn’t a middleman stacked on every trade.
  • You get a call back, and someone is on site watching the work.
  • We build by trust. That’s the name, and that’s how the job is run.

Finance available!

We do have some finance options. We can connect you with a financial advisor who can explain the different kinds of loans — a construction loan, a secured loan, an unsecured loan, or a payment plan — for any remodel project.

AlsoSee ADU models and planning rangesOpen

Eddie Ramirez-Gianos · CSLB #116171 · Modern construction. Lasting relationships.

  • CSLB #116171

    Look it up before you hire us.

  • Permits included

    We pull them. You don’t owner-build the liability.

  • Written scopes

    Allowances and exclusions, on paper.

  • One phone number

    Call us.

    1-888-558-9384

Services

Many trades. One license. One phone number. One Company.

See all services
Built By Trust

Start here:

How it goes

From the first call to the final inspection.

  1. 01

    Call or send the form

    Address, what you want the space to do, and a few photos if you have them. The first conversation is free.

  2. 02

    Site walk

    We look at access, utilities, the panel, and whether the idea fits the lot. You get a straight answer, including no.

  3. 03

    Written scope

    What’s included, what’s an allowance, and what would be a change order. You can read it before anyone is on the clock.

  4. 04

    Permit, build, inspect

    We pull the permit, build the job, meet the inspector, and walk the finished work with you.

  5. 05

    We have architects and engineers

    We can also provide an architect and an engineer who work with us, to help put the plans together for any project. It is an in-house referral from a long working relationship, and that is the benefit to you.

The work

ADUs, conversions, and the rooms around them.

Project notes

Modern stucco, photo 1 of 5

New construction

Detached ADU

A backyard casita with its own door, for a parent, a renter, or both over the years. We build the shell, the systems, and the finishes in one scope.

AlsoSee ADU models and planning rangesOpen

Studio, photo 1 of 5

Conversion

Garage to studio

An existing garage turned into a legal studio. The slab, the electrical service, and the household’s parking all get a decision before we start.

Oak and stone, photo 1 of 5

Remodel

Kitchen remodel

A kitchen you cook in. If a wall moves, the beam is designed before demolition, and the price of that beam is in the scope.

Stone shower, photo 1 of 5

Remodel

Primary bath

Tile is the last layer. The pan, the slope, and the ventilation are what keep a new bath from becoming next year’s leak.

Matched stucco, photo 1 of 5

Addition

Room addition

Bedroom, bath, or living space that lines up with the house you have. Eaves, color, and floor heights are part of the work.

The whole house, photo 1 of 5

Remodel

COMPLETE HOUSE REMODEL

From roofing to flooring, plumbing, and electrical. We redesign the rooms and open the house into one space when the walls allow it. If the house needs it, we are there for you.

UPDATE

El Niño relief

A construction crew for El Niño storm is available, now.

We put a team together for this El Niño year. If the weather hits the house, we can start on it right away — roofing, major leaks, foundation trouble, moisture, and flooding, including the paperwork your insurance company wants to see. Stucco, landscaping, electrical, and whatever else the storm leaves behind.

Immediate consult · 1-888-558-9384

Where we build

From Los Angeles County and Orange County to Santa Barbara, From Pasadena to Riverside and San Bernardino County. We are in SoCal, everywhere!

Important info regarding locations :

Los Angeles County

In the City of Los Angeles, the usual first project is a garage that is already standing. LADBS permits that job. A house in Burbank, Inglewood, or unincorporated Los Angeles County is a different counter, and Orange County is its own set of cities. We start with the address so the plans go to the right one.

ADU contractor in Los Angeles County

Pasadena

Pasadena houses are older, tighter, and more watched than a typical tract lot. Craftsman bungalows, Spanish revival, and hillside streets all change how an ADU or addition should look — and how the city will review it.

ADU contractor in Pasadena

San Gabriel

The City of San Gabriel reviews its own ADUs through Planning and Building, not through Pasadena and not through Los Angeles County or Orange County. Lots are often smaller, alleys matter, and the house on the street is older than a new tract. The unit in back should not look like it landed from somewhere else.

ADU contractor in San Gabriel

Long Beach

Long Beach permits its own ADUs through Long Beach Development Services. It is not LADBS, and it is not Los Angeles County. Bungalows, small lots, and a real garage-conversion practice are the work.

ADU contractor in Long Beach

Malibu

Malibu is not a tract-lot ADU. The whole city sits in the coastal zone and in a very high fire hazard area. Access, fire, and whether the parcel needs a coastal development permit decide the job before the floor plan does.

ADU contractor in Malibu

Orange County

Orange County is not one building department. Unincorporated parcels go through the county. Anaheim, Santa Ana, Irvine, Huntington Beach, Newport Beach, Fullerton, and the rest of the cities each keep their own counter. The address picks the rules.

ADU contractor in Orange County

Santa Barbara

Santa Barbara splits in two before it splits into floor plans. The City of Santa Barbara and the County of Santa Barbara are different permits. Coastal parcels often need a coastal development permit on top of the building permit. Inland parcels are a different checklist, and some need grading.

ADU contractor in Santa Barbara

Fontana

Fontana lots are one of the better ADU setups in the region: a real backyard, a wide garage, and a city that already reviews these projects every week. It is still a full build — not a weekend enclosure.

ADU contractor in Fontana

San Bernardino County

County work is not the same permit as a Fontana or Rancho Cucamonga city job. If the parcel is unincorporated, the County of San Bernardino is the building department. If it’s inside a city, that city inspects. We confirm which one before we draw a schedule.

ADU contractor in San Bernardino County

ANY OTHER SOCAL AREAS

If your city is not named above, we can still build there. We know the California codes these cities share, and the remodels we already do — kitchens, baths, additions, ADUs, and garage conversions — travel from one town to the next. Tell us the address. We will match that city’s permit counter.

ADU contractor in any Southern California city

City permits and county permits are not the same stack of paper. Unincorporated Orange County and unincorporated San Bernardino County are different counters from the city next door. Tell us the address.

FAQ

Before you call.

All questions
Are you licensed?

Yes. California contractor license CSLB #116171, issued to Eddie Ramirez-Gianos, general contractor. Built By Trust is the name on the work. Look the number up on the Contractors State License Board site before you send a deposit.

Do you pull permits?

Yes. ADUs, garage conversions, and anything structural — or that moves plumbing and electrical — is permitted in the city or county that has jurisdiction. We don’t ask you to pull an owner-builder permit so the responsibility can slide.

How much does an ADU cost?

A real number needs the lot. For a first conversation in this market, a garage conversion with a bath and kitchen often falls somewhere between $180,000 and $320,000. A detached ADU around 600 to 1,000 square feet is commonly $350,000 and up once utilities, foundation, and finishes are in. Those are 2026 planning ranges, not a bid.

How long does it take?

Plan on design and permit time before construction. Review in this region is often measured in months, and it varies by city and by how complete the plans are. A garage conversion is often a few months of build time after the permit is issued. A detached ADU is longer. You get a schedule with inspection holds after the site walk.

Can I live in the house during the work?

Usually yes for a backyard ADU or a garage conversion. Expect noise, a crowded driveway, and a few days when power or water is tied over. A whole-house reconfiguration is sometimes saner if you sleep elsewhere for part of it. We’ll tell you which one you’re in.

Do you draw the plans?

Either we coordinate a permit set with a designer, or we build from plans you already have. We are the general contractor, not the architect of record.

Where do you work?

Los Angeles County, Orange County, Pasadena, San Gabriel, Long Beach, Malibu, Santa Barbara, Fontana, and San Bernardino County — city and unincorporated county parcels. If you’re just outside that, ask. If we can’t staff it, we’ll say so.

Will the city make me add parking?

Often less than people fear. State ADU law limits how much extra parking a city can require, especially near transit. Your own cars still have to park somewhere. We look at the driveway, the garage, and that city’s current checklist on the site walk. This is not legal advice.

Further down the road

ADU models, on their own page.

Studio through three-bedroom, with planning ranges and a short form. The work above is still the job: permits, conversions, and remodels.

Open ADU models

Estimate

Start with the address.

Tell us the city, the project, and what the space is for. We’ll follow up by phone. Prefer to talk now? Call 1-888-558-9384.

Opens your email to eddieme144@gmail.com. Or call 1-888-558-9384. We don’t store the form on this site.