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.

Seismic Retrofit Contractor Los Angeles

Short Answer

It depends on the size of the house, the foundation type and how much access there is under the floor. Soft-story apartment retrofits cost considerably more because they need steel frames. We price it after an engineer's assessment.

Typical cost: Scoped after an engineer's assessment
Typical timeline: 2–8 weeks for most single-family retrofits
Permits: Permits and inspections handled by us through LADBS or your city building department.
Service area: All of Los Angeles County, including the San Fernando Valley, Westside, South Bay and foothill cities.
Credentials: Licensed, bonded and insured. CSLB #1076428. Owner-operated.

What a Retrofit Involves

Bolting the house to its foundation and bracing the weak cripple walls under the floor so the structure moves with the foundation instead of sliding off it.

Foundation anchor bolts and plates
Cripple wall bracing with structural sheathing
Hold-downs and shear transfer connections
Soft-story steel moment frames for apartment buildings
Chimney bracing or removal

Soft-Story Ordinance Compliance

Los Angeles requires many wood-frame apartment buildings with tuck-under parking to be retrofitted. Those projects need engineered plans, permits and inspections, and there are deadlines attached to the order you received.

Engineered plans for ordinance compliance
Permit submittal and correction handling
Phased work to keep units occupied where possible
Sign-off documentation for the city

Why Engineering Comes First

We don't quote structural work off a walkthrough. A licensed structural engineer assesses the condition and specifies the fix, the plans go through plan check, and we build exactly to those plans with inspections at each stage.

Licensed structural engineer on every scope
Access and crawl-space evaluation
LADBS permits and staged inspections

Projects We've Actually Built

Seismic Retrofit Jobs, With Real Numbers

Every figure below is from a permitted project we completed in Los Angeles County, not an estimate or an industry average.

Hillside Foundation Repair and Seismic Retrofit, Silver Lake

Cost: $178,000
Duration: 4 months
Size: 1,600 sq ft home on a steep downslope lot
Permits: LADBS, engineered plans, permitted and inspected

Soft-Story Seismic Retrofit of a Long Beach Fourplex

Cost: $142,000
Duration: 3 months
Size: 4 units over tuck-under parking
Permits: Long Beach Development Services, engineered plans, permitted and inspected

Who Does This Work

Isaac Sade, Project Manager

Isaac runs seismic retrofit projects at 1 Smart Build from the first site visit through final inspection: scope, plans, permit submittal, the crews on site, and the walkthrough at the end. You deal with one person who is accountable for the whole job.

Class B — General Building Contractor, CSLB #1076428. Bonded through and insured to $1,000,000 through U.S. Specialty Insurance Company. Rated 4.9 across 168 reviews.

More about Isaac

FREQUENTLY ASKED QUESTIONS

How much does a seismic retrofit cost in Los Angeles?

Is a seismic retrofit required?

For most single-family homes it's voluntary but strongly recommended. For many wood-frame apartment buildings with tuck-under parking in Los Angeles, it's mandatory under the soft-story ordinance.

How long does a retrofit take?

Most single-family retrofits take 2 to 8 weeks of work once permits are issued. Soft-story building retrofits take longer and are usually phased.

Do you do seismic retrofits near me outside LA city limits?

Yes. We retrofit homes and soft-story buildings across Los Angeles County and surrounding cities within roughly 100 miles of Woodland Hills. Several cities besides LA, including Santa Monica and Pasadena, run their own retrofit ordinances, and we work under each city's program.

Areas We Serve

1 Smart Build provides seismic retrofit services within a 100-mile radius of our Woodland Hills office, covering Los Angeles County, Ventura County, Orange County and the surrounding region. Homeowners searching for a remodeling contractor near me regularly hire us in:

Don't see your city? View all service areas or give us a call, if you're within 100 miles, we build there.

Free Consultation

DISCUSS YOUR PROJECT WITH 1 SMART BUILD

Licensed, bonded and insured design-build general contractor serving Los Angeles County and Southern California. Tell us about your property and goals, and we'll walk you through feasibility, permitting and a clear plan.

1 (866) 419-8840

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Also Explore

Structural, Foundation & Framing2 weeks to 4 months depending on scope Complete Home Remodel6–14 months including design and permitting SB9 Lot Splits & Two-Unit Development12–24 months including entitlement and permitting

SEISMIC RETROFIT CONTRACTOR IN LOS ANGELES