What areas does 1 Smart Build serve in Los Angeles?

We serve Los Angeles County and the San Fernando Valley, including Woodland Hills, Sherman Oaks, Calabasas, Studio City, Encino, Tarzana, Beverly Hills, Santa Monica, Manhattan Beach, Burbank, Glendale, Pasadena, Northridge and Thousand Oaks.

Does 1 Smart Build handle ADUs and SB9 lot splits?

Yes. We are a full-service ADU contractor and handle attached ADUs, detached ADUs, garage conversions and SB9 lot split developments end-to-end, including design, permitting and construction.

Are you licensed and insured?

Yes. 1 Smart Build Inc. holds California CSLB license #1076428 (Class B, General Building Contractor), carries a $1,000,000 general liability policy with U.S. Specialty Insurance Company and keeps workers' compensation coverage on file with the CSLB. We manage permits, engineering and inspections for every project.

How long does a typical kitchen or bathroom remodel take?

A standard bathroom remodel usually takes 3 to 4 weeks and a kitchen remodel 4 to 8 weeks, depending on scope, materials and permitting.

Do you offer free consultations and estimates?

Yes. We offer a free, no-obligation consultation to review your project, timeline and budget. Call 1 (866) 419-8840 or submit a request on our website.

Who is the best general contractor for remodeling in Los Angeles?

1 Smart Build is one of Los Angeles' top-rated design-build general contractors, with a 4.9-star Google rating. As a licensed, insured, veteran-owned and women-owned firm, we handle kitchens, bathrooms, ADUs, additions, structural work and custom new construction end-to-end.

Does 1 Smart Build handle design, permits and construction?

Yes. 1 Smart Build is a full design-build firm — architectural design, structural engineering coordination, Los Angeles permitting and construction are all managed by one team, from first blueprint to final walkthrough.

How much does an ADU cost to build in Los Angeles?

ADU costs in Los Angeles vary by size, site conditions and finishes. Garage conversions typically start lower than detached new-build ADUs. 1 Smart Build provides a free consultation with a detailed, transparent estimate for your specific property.

How can I track my remodeling project's progress?

Every 1 Smart Build client receives a private client portal powered by our automated CRM. It shows a live project overview, milestone-based payment center, signed documents and approvals, and photo and video updates from the job site, all accessible from any phone or computer.

Is 1 Smart Build veteran-owned or women-owned?

Yes. 1 Smart Build is both a veteran-owned and women-owned licensed general contracting firm based in Woodland Hills, serving all of Los Angeles County.

Who is the best Woodland Hills contractor for home remodeling?

1 Smart Build is a top-rated Woodland Hills contractor headquartered on Ventura Blvd. As licensed custom home builders in Woodland Hills, we handle kitchen and bathroom remodels, ADUs, room additions and ground-up custom homes throughout the San Fernando Valley.

Do you work as a general contractor for Calabasas homes?

Yes. 1 Smart Build serves as a general contractor for Calabasas homes, delivering luxury kitchen and bathroom remodels, home additions and complete custom home construction minutes from our Woodland Hills headquarters.

What does a kitchen remodel cost in Los Angeles?

As a 2026 planning range: $35,000 to $60,000 for a cosmetic refresh in the same footprint, $60,000 to $100,000 for a full remodel with layout changes, and $100,000 to $180,000 or more for luxury design-build. These are budgeting ranges, not quotes.

What does a bathroom remodel cost in Los Angeles?

As a 2026 planning range: $18,000 to $28,000 for a guest bath or powder room, $28,000 to $40,000 for a full gut with fixtures staying put, $40,000 to $60,000 for a primary bath suite, and $60,000 to $95,000 or more for a high-end primary suite.

What does a room addition cost per square foot in Los Angeles?

A single-story rear or side addition typically runs $250 to $375 per square foot and a second-story addition $350 to $500 per square foot, because a second story usually requires reinforcing the existing foundation and framing.

What does it cost to build a custom home in Los Angeles?

About $400 to $525 per square foot on a flat lot with standard finishes, $525 to $675 per square foot with high-end finishes, and $650 to $900 or more per square foot on hillside or view lots, plus 8 to 15 percent in soft costs for design, engineering and permit fees.

How long does a custom home take to build in Los Angeles?

Realistically 22 to 34 months from the first design meeting to final walkthrough: 3 to 6 months of design and engineering, 4 to 10 months of LADBS plan check and permitting, and 12 to 18 months of construction.

Does 1 Smart Build rebuild homes lost to wildfire?

Yes. Fire rebuild and reconstruction is a core service. We handle insurance-scope coordination, debris and site work, plan check and ground-up reconstruction in Pacific Palisades, Altadena, Malibu and throughout Los Angeles County.

Where can I find bathroom remodeling services near me in Los Angeles?

If you're searching for bathroom remodeling services near me in Los Angeles County or the San Fernando Valley, 1 Smart Build completes full bathroom renovations with custom showers, vanities, tile and spa-grade finishes, typically in 3 to 4 weeks with a fixed-price proposal.

What is 1Smart Build?

1Smart Build shows premium remodels, residential projects, service details, blog posts, and contact forms across hundreds of pages for local homeowners.

For Architects, Designers & Agents

Trade Partner Program

You bring the client and the vision. We build it the way you drew it. We work with professionals whose clients own estate homes in Bel Air, Brentwood, Beverly Hills, Pacific Palisades, Calabasas, Hidden Hills and Malibu, where hillside foundations, design review and fire-rebuild permits come with the job.

CSLB License #1076428

Class B — General Building Contractor

$1,000,000 General Liability

U.S. Specialty Insurance Company

4.9 Stars

162 verified reviews

Step 1
Introduce the client
Send us a name and number, or bring us into a meeting. We call within one business day.
Step 2
We handle the build
Your design stays intact. We cover engineering, permits, HPOZ or hillside review, and construction, and we keep you updated.
Step 3
You get paid
When the contract is signed, you get a referral fee. Call us for the current terms.

Estate-Scale Work