Custom modern backyard studio ADU and residential buildout in Southern California by Big City Construction
Custom modern backyard studio ADU and residential buildout in Southern California by Big City Construction

Full-Service Commercial, Industrial, & Residential General Contracting Throughout Southern California

Licensed general contracting, heavy structural framing, utilities, and premium custom builds

CA Lic. #846079

Call us today to get your project moving

Los Angeles County

(213) 880-9162‍ ‍

INLAND EMPIRE & RIVERSIDE (951)907-4757

Or register your project details below to request a face-to-face site evaluation

*Every property and project is unique. To provide you with an accurate, fixed-price estimate without hidden surprises, we conduct an in-person site evaluation to review structural needs, measurements, and your vision. Your detailed estimate is 100% free following our consultation.

Recent Projects

Architectural loft interior buildout with custom black steel spiral staircase and glass railings by Big City Construction

Architectural Loft & Custom Metalwork

High-end interior buildout featuring custom glass railings, black steel spiral stairs, and double height structural glazing.

Custom architectural millwork, precision interior carpentry, and built-in cabinetry by Big City Construction

Custom Architectural Millwork

Precision interior carpentry, built-in cabinetry, and bespoke hardware accents for luxury spaces.

Commercial office tenant improvement featuring architectural glass doors and commercial flooring by Big City Construction

Commercial Office Buildout

Complete tenant improvement including commercial flooring, architectural glass doors, and integrated lighting.

Commercial warehouse timber mezzanine buildout with heavy structural framing by Big City Construction

Commercial Timber Mezzanine

Heavy structural timber framing, multi-level warehouse loft construction, and structural roof integration.

Full Residential Kitchen Remodel

Modern open-concept kitchen renovation with custom shaker cabinetry, quartz countertops, and premium finishes.

Hillside retaining wall installation with structural steel I-beams, excavation, and grading by Big City Construction

Retaining walls & Earthwork

Hillside stabilization, steel I-beam installation, excavation, and structural foundation work.

Core Services

Commercial, Industrial, & Site Work

From ground-level site prep to heavy framing, Big City Construction manages large-scale commercial, industrial, and residential site development. We specialize in heavy demolition, precision excavation, concrete retaining walls, and structural steel or timber framing.

  • Heavy Demolition & Earthwork Excavation

  • Concrete Retaining Walls & Foundation Work

  • Commercial & Industrial Framing

  • Site Prep & Structural Code Compliance

Trade Infrastructure & Utilities

Complete trade management and utility infrastructure for commercial facilities and residential properties. Led by trade specialists, our team handles whole-building electrical systems, main panel upgrades, utility connections, plumbing prep, and complete roofing installations.

  • Commercial & Residential Electrical Contracting

  • Main Panel Upgrades, Circuits & Sub-Panels

  • Roofing Systems & Exterior Weatherproofing

  • Commercial Restroom Plumbing & ADA Upgrades

Residential Builds & Remodels

Southern California’s trusted experts for custom homes, room additions, and modern detached ADUs. We deliver end-to-end craftsmanship for homeowners, from high-end kitchen and luxury bathroom remodels to custom framed additions, patios, and pergolas.

  • Framed ADU Builds & Custom Home Additions

  • High-End Kitchen & Luxury Bathroom Remodels

  • Custom Patios, Pergolas, & Outdoor Living

  • Full Interior & Exterior Home Renovations

Stop wasting time managing separate crews for demolition, site prep, structural framing, electrical, and finish work. As a fully licensed general contractor (CA Lic. #846079), Big City Construction executes your entire project end-to-end under one roof. We streamline communication, keep timelines tight, and deliver complete trade reliability from ground break to final walkthrough.

Ready to Get Your Project Built Right?

Call Paulino Lopez and the team directly at (213) 880-9162 for Los Angeles County , (951) 907-4757 for Inland Empire & Riverside, or request your free on-site consultation below.