General Contractor
Los Angeles, CA

Home additions, ADUs, full remodels, commercial build-outs, and new construction — managed under one licensed contractor. We handle every permit, every trade, and every inspection. Fixed price. No surprises.

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General Contracting in LA — Built Right the First Time

Construction in Los Angeles is more complicated than anywhere else in California. Seismic requirements, LADBS permit timelines, coastal zone regulations, hillside grading rules, HOA approvals, and Title 24 energy compliance — every project involves a stack of overlapping requirements that most contractors either don’t understand or don’t manage for you.

ConstructionSpedia has completed 400+ residential and commercial projects across Los Angeles. We self-perform the critical trades — framing, concrete, drywall — and coordinate licensed electrical, plumbing, HVAC, and specialty subcontractors under one contract, one project manager, and one fixed price.

You deal with one person from permit application to final inspection sign-off. No chasing subcontractors. No surprise change orders. No project that goes dark for three weeks.

⚠️ The Hidden Cost of LA Construction Mistakes

In Los Angeles, unpermitted construction work is among the most expensive problems discovered at escrow. Buyers’ lenders require permits for all structural, electrical, and plumbing work — unpermitted additions can kill a sale or require $30,000–$120,000 in remediation to legalize. We permit everything, every time.

🏠 Construction ROI in Los Angeles

Home additions in LA return 55–80% of cost at resale. ADUs add $150,000–$350,000 in appraised value in most LA neighborhoods and generate rental income while you own the property. In high-demand submarkets like Silver Lake, Los Feliz, and Santa Monica, a well-executed addition or remodel is the single highest-return home improvement available.

CSLB Licensed General Contractor

California State License Board verified · Full general liability & workers' compensation · Verifiable on CSLB.ca.gov

8 General Contracting Services in Los Angeles

Home Additions

Room additions, second-story additions, and footprint expansions. We handle structural engineering drawings, LADBS permits, and all trades from foundation to finish — including matching existing exterior materials exactly.

ADU Construction

Detached ADUs, garage conversions, and junior ADUs. LA's ADU laws have changed significantly — we stay current on setback rules, owner-occupancy requirements, SB9 provisions, and utility connection options to get your ADU permitted fast.

Full Home Remodel

Complete gut-to-studs remodels — new layout, updated systems, new finishes throughout. We handle Title 24 energy compliance, seismic compliance for structural changes, and full LADBS permit coordination.

Kitchen Remodel

Custom cabinetry, countertops, flooring, lighting, plumbing, and electrical — built on fixed-price contracts with 3D renderings before construction begins. LADBS permits handled for all electrical and plumbing changes.

Bathroom Remodel

Full bathroom renovations — wet area waterproofing, tile, custom shower builds, freestanding tubs, vanity, and lighting. We carry all plumbing and electrical permits and coordinate inspections without disrupting your schedule.

Commercial Build-Out

Office TI, restaurant build-outs, retail spaces, and medical offices. We manage commercial permitting, ADA compliance, fire sprinkler coordination, and health department requirements as part of every commercial contract.

New Construction

Custom homes and small multi-unit projects from ground up. Full pre-construction planning — soils report, architectural drawings, structural engineering, Title 24, and LADBS submission — before a single footing is poured.

Seismic Retrofit

Soft-story retrofit, cripple wall bracing, and foundation bolting for LA homes. Required for multi-unit buildings under the city's mandatory retrofit ordinance — we handle the engineering, permits, and construction under one contract.

Why LA Property Owners Choose ConstructionSpedia

One Contract, Every Trade

Framing, concrete, drywall, electrical, plumbing, HVAC, tile — all coordinated under one contract. We never pass responsibility between trades. If something goes wrong, we fix it. No finger-pointing between subcontractors.

LADBS From Day One

We know which LADBS departments handle which permits, what inspectors look for, and how to avoid the common delays that cost homeowners months on LA projects. We submit complete permit packages and track every inspection milestone.

Fixed-Price, Period

Construction in LA is notorious for scope creep and mid-project pricing changes. Every ConstructionSpedia project runs on a fixed-price contract. Labor overruns, material cost increases, and coordination problems are our responsibility — not yours.

Your Project Manager Owns It

Your dedicated project manager handles architect coordination, permit submissions, trade scheduling, material sourcing, and inspection scheduling. You get one weekly progress update and one contact number — not a different person for every trade.

Your Project — From Permit to Punchlist

Free Consultation

On-site walkthrough, scope discussion, and preliminary feasibility review. Written estimate within 48 hours.

Design & Engineering

Architectural drawings, structural engineering, Title 24 energy compliance, and 3D renderings before contracts are signed.

Permits & Scheduling

Full LADBS permit submission, trade scheduling, and material procurement run simultaneously to eliminate delays.

Construction

Phased construction with weekly milestone updates. Every inspection coordinated and passed before the next phase begins.

Final Walkthrough

Punch list completed, final inspection passed, and certificate of occupancy obtained before final payment is released.

General Contracting in LA — What Property Owners Need to Know

LADBS Permitting in Los Angeles

Los Angeles Department of Building and Safety is one of the most complex permitting authorities in California. Understanding the process protects your investment.

All structural work, electrical, plumbing, and HVAC require permits
Express permit available for certain small projects — standard review takes 4–12 weeks
Hillside properties require additional geological and grading review
Coastal Zone properties require California Coastal Commission approval
Historic preservation districts add additional review layers
ADUs under 800 sq ft qualify for streamlined ministerial approval

LA-Specific Construction Requirements

Seismic Zone 4— all structural work must meet California’s highest seismic design category
Title 24 compliance— energy efficiency requirements for insulation, HVAC, and windows on all new work
CalGreen Code— mandatory green building standards for any addition or remodel over certain thresholds
LADWP water conservation— new construction requires low-flow fixtures and smart irrigation where applicable
Hillside grading ordinance— strict limits on cut and fill for sloped properties
Solar requirements— new construction requires solar-ready infrastructure under California mandate

ADU Construction in LA

California’s ADU law changes have made Los Angeles one of the most ADU-friendly cities in the country. Key facts for property owners:

Single-family properties can build one ADU + one junior ADU
Detached ADUs up to 1,200 sq ft are allowed on most LA lots
Garage conversions do not count against lot coverage limits
Owner-occupancy requirement was removed — rental-only ADUs are now permitted
SB9 allows lot splits in single-family zones for multi-unit development
ADU rental income averages $2,200–$4,500/month in most LA neighborhoods

How to Vet a General Contractor in LA

Los Angeles has more unlicensed contractors than any other California county. Verify before you sign anything.

Verify CSLB license at cslb.ca.gov — check license type, status, and bond
Confirm workers’ compensation coverage — unlicensed GCs create liability for homeowners
Get a written scope of work before any contract — verbal agreements are unenforceable
Never pay more than 10% or $1,000 as a deposit — California law caps contractor deposits
Confirm permit responsibility is written into the contract — GC must pull all required permits
Check CSLB complaint history — any disciplinary actions are public record

Construction Costs in Los Angeles

LA market cost ranges. All projects receive a detailed fixed-price written quote after the free on-site consultation.

Project Type	LA Cost Range	Timeline	Permit Required	ROI at Resale
Bathroom Remodel	$25,000 – $85,000	4–8 weeks	Yes	60–70%
Kitchen Remodel	$50,000 – $150,000	6–12 weeks	Yes	65–75%
ADU — Garage Conversion	$120,000 – $200,000	4–6 months	Yes	High + rental income
ADU — Detached New Build	$180,000 – $350,000	6–10 months	Yes	High + rental income
Room Addition (500 sq ft)	$150,000 – $280,000	4–7 months	Yes	55–70%
Second Story Addition	$280,000 – $550,000	6–12 months	Yes	50–65%
Full Home Remodel	$200,000 – $800,000	6–18 months	Yes	Market-dependent
Seismic Retrofit	$8,000 – $60,000	2–6 weeks	Yes	Required / liability reduction
Commercial Build-Out (per sq ft)	$80 – $250/sq ft	2–6 months	Yes	Business-dependent

General Contractor Services Across Los Angeles

We build in every LA neighborhood — from hillside custom homes in the Hollywood Hills and Malibu to flat-lot ADUs in the Valley. Our teams know each area’s zoning codes, HOA rules, and LADBS inspector preferences.

What LA Property Owners Say About Our Work

"We built a detached ADU on our Silver Lake property. Three contractors quoted us and couldn't explain the permit process. ConstructionSpedia walked us through every step — setbacks, utility connections, LADBS submission — and delivered on the exact budget they quoted. ADU is now renting for $2,800/month."

Alex & Carmen Torres

Silver Lake, Los Angeles

"We had an unpermitted addition from the previous owner. ConstructionSpedia handled the full legalization process — as-built drawings, structural engineering, LADBS submission, and all the corrective work. Took four months but the addition is now fully permitted. Saved our escrow."

Richard & Dana Hoffman

Pasadena, Los Angeles County

"Full gut remodel on a 1958 hillside home in Los Feliz. Seismic retrofitting, new electrical panel, full plumbing reroute, new layout. ConstructionSpedia managed every trade under one contract and one project manager. No finger-pointing, no delays beyond what the permit office caused. Outstanding work."

Laura & Ben Kim

Los Feliz, Los Angeles

General Contractor Los Angeles — FAQ

How do I verify a general contractor's license in California?

Go to cslb.ca.gov and search the contractor’s license number or business name. Verify that the license is active, check the license classification (you want a B — General Building license for most residential and commercial work), confirm that workers’ compensation insurance is on file, and check for any disciplinary actions or complaints. California law requires contractors to carry workers’ comp for employees — if they don’t, you as the homeowner may be liable for injuries on your property. Never hire a GC without verifying license status first.

How much can a general contractor legally ask for as a deposit in California?

California law caps contractor deposits at 10% of the total contract price or $1,000 — whichever is lower. This applies to home improvement contracts. Any contractor asking for 30%, 40%, or 50% upfront is violating California law, and that’s a serious red flag. Legitimate progress payment schedules are legal, but they must be tied to specific milestones — not paid upfront before work begins. ConstructionSpedia follows California’s progress payment schedule standards on every project.

What is the timeline for building an ADU in Los Angeles?

From project start to completed ADU, plan for 8–14 months for a detached new-build ADU and 6–10 months for a garage conversion. The breakdown: architectural drawings and engineering (4–8 weeks), LADBS permit review (6–16 weeks for standard review; streamlined ADU review can be faster), construction (3–6 months depending on scope). The permit phase is the biggest variable — LADBS workload fluctuates significantly. We submit complete permit packages on day one and follow up actively to minimize wait times.

Do I need a general contractor or can I owner-build in Los Angeles?

California allows owner-builders to pull their own permits and self-manage construction. However, owner-builders cannot use unlicensed subcontractors, cannot sell the property within one year without disclosing owner-builder status, and assume full liability for all work performed. For any project with structural changes, seismic work, or complex mechanical systems, the risk of DIY coordination in LA’s regulatory environment significantly outweighs the potential savings. Most homeowners who attempt owner-building on complex projects end up hiring a GC midway through — at greater total cost than starting with one.

What's included in a general contractor's scope of work for a home addition in LA?

A complete GC scope for an LA home addition includes: architectural drawings and structural engineering coordination, LADBS permit application and management, foundation and framing, roofing tie-in to existing structure, all rough mechanical (electrical, plumbing, HVAC) in the new space, insulation to Title 24 requirements, drywall, interior finishes, exterior siding or stucco to match existing, and final inspection sign-off. Everything should be in the written contract before construction begins — any work described verbally or left to be “worked out later” is a budget risk. Request an itemized scope and written contract before signing anything

Ready to Build in Los Angeles?

Get a free on-site consultation from our licensed LA general contracting team. We review your project, discuss feasibility, and deliver a written scope and fixed-price estimate within 48 hours — no pressure, no obligation.

Free on-site assessment — no cost, no obligation
Written fixed-price quote delivered in 48 hours
CSLB licensed — verifiable on CSLB.ca.gov
All permits handled — LADBS to final inspection
Serving all LA neighborhoods since 2009

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General Contractor Los Angeles, CA