Design–Build Since 1986 · Carson, CA

ADUs, Design & Construction in Carson, CA

Architects, engineers, and builders under one roof. From first sketch to final walkthrough, one licensed team handles your plans, your permits, and your build.

1986Established
B465866CA License
4 in 1Plans · Permits · Build
FreeProject Consultation

Full-Service Construction

One licensed team for the whole project — drawings, structural engineering, permits, and construction. No handoffs between three separate companies.

White ADU with covered porch
Bustos Residence — 2481 Las Lunas St., Pasadena, CA 91107

ADU

Detached, attached, and garage-conversion accessory dwelling units — designed, permitted, and built to current California ADU code.

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Kitchen with green cabinets
Tarot Residence — 3024 Dalemead St., Torrance, CA 90505

Design

Licensed architectural drawings for new builds, additions, and remodels — Title 24 compliance and plan check corrections, plus space planning, elevations, and finish selection, all under one roof.

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Engineering before and after
Felix Residence — 15928 Illinois Court, Torrance, CA 90504

Engineering

Structural calculations, foundation and framing plans, soil coordination, and stamped drawings ready for city submittal.

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Yellow ADU backyard unit
Salonga Residence — 22635 Draille Dr., Torrance, CA 90505

Room Addition

Second-story additions, room additions, and detached extensions — engineered, permitted, and built to blend seamlessly with your existing home.

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Blue ADU backyard unit
Fox Residence — 6142 Premiere Ave., Lakewood, CA 90712

Custom Homes

Ground-up custom residences, from first sketch to final walkthrough, built by the same team that designed and engineered them.

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Remodeled bathroom
Sanglay Residence — 15210 Badillo St., Baldwin Park, CA

Kitchen & Bath

Kitchen and bathroom remodels — from layout and finish selection through plumbing, electrical, and final finishes.

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Commercial building — 1422 W. Willow St., Long Beach, CA
5-Unit Commercial Building — 1422 W. Willow St., Long Beach, CA

Commercial / Residential

Ground-up commercial buildings and mixed commercial-residential projects, engineered and built by one licensed team.

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Tenant improvement bedroom with TV and ceiling fan
Bloomfield Animal Hospital — 20927 Lakewood Blvd., Norwalk, CA

Tenant Improvement

Tenant improvement build-outs for commercial and medical spaces — designed and constructed to fit your business and its code requirements.

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Galvan Residence — Burbank, CA Cyriac Residence — 11599 Gonzalves St., Cerritos, CA 90703
40+Years building in the South Bay
About our company

About Farol Construction

Based in Carson, CA, Farol Construction has been designing and building across the South Bay and greater Los Angeles since 1986. As architects, engineers, and builders in one licensed firm, we carry a project from the first measurement through final inspection — and you deal with the same people the whole way.

  • Established 1986 — CSLB License B465866
  • Architecture, engineering, and construction in-house
  • ADU and addition permitting handled start to finish
  • Licensed, bonded, and insured
Learn more about us  →
How it works

Our Build Process

Four stages, in order, so you always know what happens next and who is doing it.

01

Free Consultation

Call us and describe the project, the property, and your budget range.

02

Site Visit & Plans

We measure the site, then draw the architectural and structural plans.

03

Permits & Approvals

We submit to the city, answer plan check, and clear corrections for you.

04

Build & Final Sign-Off

Our crew builds it, and we stay on it through final inspection.

Why Choose Farol Construction?

Since 1986 we've built a reputation in the South Bay for drawings that pass plan check and crews that show up. We don't just build what someone else drew — we're responsible for both.

Family-Owned

Same name on the license since 1986.

Licensed & Insured

CSLB B465866 — bonded and insured.

Free Estimates

Clear scope and pricing before anything starts.

One Point of Contact

Plans, permits, and build — one team, one call.

Twilight pool and patio Ternillo Residence — 11511 Stanford Ave., Garden Grove, CA
★★★★★
Trusted design–build contractor in the South Bay since 1986.
Portfolio

Our Recent Work

A look at recent ADUs, additions, and ground-up builds across Los Angeles County.

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Testimonials

What Our Clients Say

★★★★★  5.0 from local homeowners
”

They drew our ADU plans and built it. Permits went through without us chasing the city once. Same crew from start to finish.

Sarah J.
Carson, CA
”

We had three bids for our addition. Farol was the only one who could handle the engineering in-house, which saved us weeks.

Michael T.
Torrance, CA
”

Straightforward pricing, no surprise change orders, and the final walkthrough punch list was done in two days.

Elena R.
Long Beach, CA
Common questions

Frequently Asked Questions

How much does an ADU cost in Los Angeles County?

Cost depends on size, foundation, and utility connections. We give you a written scope and price range after the first site visit, before any drawings begin.

Do you offer free estimates?

Yes. The initial consultation and project estimate are free.

Are you licensed and insured?

Yes — CSLB License B465866, licensed, bonded, and insured, established 1986.

Do you handle the permits?

We do. We submit the plans, respond to plan check corrections, and coordinate inspections through final sign-off.

What areas do you serve?

Carson and the greater South Bay, plus the cities listed on our service areas page.

How long does a typical project take?

Plans and permits usually run a few months depending on the city; construction timelines are set before we break ground.

Latest news

Building Tips & Insights

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Bustos Residence — 2481 Las Lunas St., Pasadena, CA 91107
Bustos Residence — 2481 Las Lunas St., Pasadena, CA 91107

ADU Rules in Los Angeles County: What Changed

August 17, 2026Jun Farol

Setbacks, height limits, and parking exemptions have all shifted. Here's what actually applies to your lot before you draw anything…

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Gomez Residence — 539 S. Frankfurt St., West Covina, CA
Gomez Residence — 539 S. Frankfurt St., West Covina, CA

What Plan Check Really Looks For

August 16, 2026Jun Farol

Most corrections come from the same handful of items. Getting these right the first time can save a month of back-and-forth…

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Aguzar Residence — 11732 John Ave., Garden Grove, CA
Aguzar Residence — 11732 John Ave., Garden Grove, CA

Addition or ADU? How to Decide

July 17, 2026Jun Farol

They cost about the same per square foot but do very different things for your property. Here's how we help clients choose…

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Get in touch

Contact Us Today

Planning an ADU, an addition, or a ground-up build? Tell us about the property and we'll set up a free site visit.

Call Jun Farol

(310) 678-0339

Office

23601 Avalon Blvd., Suite 103
Carson, CA 90745

Hours

Mon – Sat: 8:00 AM – 5:00 PM

Areas We Serve

Design–build services across the South Bay and greater Los Angeles.

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Carson, CA
Torrance, CA
Long Beach, CA
Norwalk, CA
Cerritos, CA
Garden Grove, CA

Ready to Start Your Project?

Family-owned since 1986. Get a free estimate for your ADU, addition, or new build anywhere in the South Bay.