Commercial & Multifamily Construction in NYC & Long Island
Commercial and multifamily buildings demand fast turnarounds, strict code compliance, and minimal tenant disruption. Sanchez Development delivers commercial buildouts, rapid unit turnovers, storefronts, and capital improvements under one contract.
Different Properties, Different Requirements
Construction for Properties That Generate Income
A commercial buildout or multifamily renovation involves similar trades as residential construction, but the financial and logistical context is fundamentally different.
Delays in income-producing properties mean vacant units, delayed rent commencement, and commercial lease penalties. Commercial construction requires rigorous coordination: fire-rated wall assemblies, commercial sprinkler systems, ADA accessibility compliance, strict insurance guidelines, and coordinated off-hours work. Sanchez Development brings disciplined project management to landlords, property managers, business owners, and real estate investors across NYC and Long Island.

NYC & Long Island Commercial Contracting
What Types of Commercial & Multifamily Projects Do We Handle?
From retail storefronts and office buildouts to rapid apartment turnovers and ADA compliance, we coordinate every phase.
Storefront Construction & Renovation
Full storefront buildouts, architectural glass and aluminum framing, commercial exterior signage framing, security gates, and illuminated retail entryways.
Commercial Tenant Improvements (Fit-Outs)
Custom office layouts, retail spaces, medical clinics, and restaurant dining areas including drywall partitions, acoustic ceilings, and specialty finishes.
Multifamily Unit Turnovers
Fast-track apartment gut renovations and cosmetic turns between tenancies—installing durable kitchens, modern bathrooms, LVP flooring, and LED lighting.
Common-Area & Lobby Capital Improvements
Modernizing high-traffic residential lobbies, mailrooms, secure package rooms, tenant fitness centers, elevator vestibules, and shared residential corridors.
Commercial MEP Upgrades
Heavy-duty three-phase electrical service panels, commercial branch plumbing, commercial rooftop HVAC units (RTUs), and life-safety sprinkler tie-ins.
ADA Accessibility Compliance
Installing ADA-compliant restrooms, handicap-accessible entry ramps, automatic door openers, compliant door clearances, and tactile warning surfaces.
Fire-Rated Assemblies & Violation Resolution
1-hour and 2-hour fire-rated drywall demising walls, fire-door assemblies, draft-stopping, and clearing outstanding municipal building violations.
Why Coordination Matters More in Commercial & Multifamily Work
Protecting rental yields and business operations through rigorous scheduling.
When managing commercial properties, delays directly erode net operating income (NOI). Sanchez Development maintains close communication with building superintendents, property management offices, and local code officials to keep trades working synchronously without impacting existing building operations.
One Team From Estimate to Completion
Commercial timelines drive profitability. Our 5-stage workflow prevents downtime and guarantees clear milestones.
Consultation & Property Audit
We inspect the commercial space, review lease terms and tenant deadlines, and assess existing mechanical infrastructure.
Itemized Written Estimate
We deliver a detailed commercial bid outlining milestone phases, material specifications, and clear labor allowances.
Plans, Permits & Board Packages
We coordinate architectural filings, DOB permits, landlord alteration agreements, and required certificate of insurance (COI) packages.
Fast-Track Construction
Our crews execute demolition, structural framing, MEP rough-ins, firestopping, and finishes, scheduling off-hours work as required.
Inspections, Punch List & Sign-Off
We coordinate all commercial municipal sign-offs, complete punch-list items, and deliver a clean space ready for immediate occupancy.
Contracting for Different Commercial & Multifamily Needs
Whether executing rapid portfolio apartment turns or customized retail buildouts, our crews work around your operations.
Retail Storefronts & Boutiques
Creating high-impact retail experiences with custom display millwork, architectural track lighting, and modern storefront glazing.
Office Suites & Professional Fit-Outs
Designing functional corporate environments including private glass conference rooms, open bench workstations, and executive kitchenettes.
Multifamily Apartment Portfolio Turns
Systematic unit turnover programs for landlords and REITs modernizing multiple units concurrently with uniform, high-durability finishes.
Residential Common Areas & Corridors
Refurbishing multi-story apartment building hallways with commercial wallcoverings, low-maintenance carpet tiles, and emergency egress lighting.
Why Commercial Clients Choose Sanchez Development
Fast-track turnaround, full COI compliance, and dedicated project management protecting net operating income.
Licensed & Insured
Fully licensed commercial general contractor carrying extensive commercial liability and umbrella insurance naming property managers as additional insured.
One Unified Contract
We manage all commercial subcontractors—framers, drywallers, licensed master electricians, and plumbers—under a single point of contact.
Strict Schedule Discipline
We understand lease deadlines and vacancy costs. Our milestone scheduling keeps commercial projects moving without downtime.
Code & Compliance Expertise
Deep familiarity with NYC DOB commercial building codes, ADA standards, fire-rated assemblies, and Long Island town commercial filings.
When Is It Time for Commercial Contracting?
Commercial milestones are driven by rent start dates, tenant transitions, and code compliance requirements.
New Commercial Lease Signed
A tenant has signed a commercial lease and requires a custom fit-out before their rent commencement date.
Multifamily Tenant Vacancy
An apartment has turned over and needs modern finishes to command top-of-market rental rates quickly.
Outdated Building Common Areas
Tired lobbies, worn corridors, or uninviting mailrooms that detract from property value and tenant retention.
Outstanding Code Violations or ADA Issues
Municipal building department citations, egress violations, or accessibility requirements that demand immediate resolution.
Commercial Construction in NYC & Long Island
From DOB commercial filings and Tenant Protection Plans to town fire marshal sign-offs, we oversee all requirements.
NYC Commercial & Multifamily Contracting
Navigating New York City Department of Buildings commercial alteration permits (Alt-CO / Type 2), commercial tenant protection plans (TPP), FDNY fire-safety inspections, after-hours work variances (AHV), and commercial freight elevator coordination across all five boroughs.
Long Island Commercial Construction
Managing commercial retail, office, and multifamily properties across Nassau and Suffolk Counties, including town commercial building departments, fire marshal sign-offs, parking lot ADA striping, and commercial grease trap/plumbing regulations.
Planning a Commercial Fit-Out or Turnover?
Before demo begins, answering these fundamental questions will clarify your project timeline and budget:
Commercial projects often have strict contractual dates; knowing this enables us to establish milestone schedules and plan off-hours work if needed.
Most commercial landlords and multifamily buildings have specific rules regarding work hours, noise restrictions, and insurance requirements.
Commercial alterations involving walls, doors, or mechanical changes require stamped architectural drawings submitted to the building department.
Public-facing commercial spaces have strict accessibility codes for entrances, doorways, and restrooms that dictate floor plan dimensions.
Commercial Contracting FAQs
Practical answers regarding commercial scheduling, landlord COIs, unit turnover speed, ADA compliance, and permits.
We plan construction milestones carefully, order long-lead materials prior to demolition, and coordinate night or weekend work where required to minimize disruption to commercial tenants or ongoing business operations.
Start Your Project
Tell us what you want to build or remodel. Every project begins with a conversation, a site walk-through, and a detailed, itemized written estimate.
Itemized Fixed Pricing
Clear scope and itemized costs before work starts.
One Unified Contract
Design, permits, and trades under a single team.
Licensed & Insured
Comprehensive coverage across NYC & Long Island.
