Interior Design in NYC

That Survives Construction

Most interior design looks its best on screen — before a contractor touches it. Multi-Construction Co. delivers interior design across New York City with construction knowledge built into every decision, from layout and material selection through board approval and final execution. From Manhattan co-ops to Brooklyn brownstones, your vision stays intact from concept to completion — because the team that designs it is the team that builds it.

Years In Business
+ 20
Projects Completed
+ 350
Team Members
+ 25
Industry Partners
+ 50

Our Interior Design Service

Interior Design and Construction Under One Accountable Team

Multi-Construction Co. provides interior design services in New York City with one defining difference: design and construction are never separated. We manage space planning, material selection, custom carpentry, lighting coordination, finish detailing, and board documentation — all developed with real building constraints in mind, by the same team that executes the work. No handoff between designer and contractor. No details lost between concept and construction.

That discipline — knowing what you're working with before you commit to what you're building — is what prevents the structural surprises and irreversible decisions that define too many failed brownstone renovations in NYC.Every project starts the same way: every decision resolved before demolition begins. That discipline — planning before building — is what keeps your renovation on schedule and on budget, whether we're reconfiguring a single room or working through an entire floor.

"It is more than a passion project. It is more than a creative vision realized. It is Multi."

What Our Service covers.

What Interior Design Actually Involves

Our interior design scope is built around decisions that directly affect how a space looks, functions, and gets approved. Every element below is developed with construction feasibility as a non-negotiable constraint.

01

Interior Space Planning

Layouts are designed for how a space is actually lived in — proportion, circulation, and daily function — while remaining structurally and logistically executable within NYC building conditions.

02

Finish and Material Selection

Materials are specified for durability, performance, and visual coherence — not catalog availability. Flooring, wall finishes, tile, and surfaces are chosen with real-world maintenance and long-term appearance in mind.

03

Custom Carpentry and Built-Ins

Cabinetry, storage, and millwork are designed as architectural elements, not furniture. Proportions are coordinated with existing conditions so built-ins feel integral to the space rather than installed inside it.

04

Wet Area and Waterproofing Design

Bathrooms and kitchens are designed around moisture control as a priority. Finishes and layouts are coordinated with waterproofing systems from the start — not reconciled with them after design is complete.

05

Tile and Surface Layout

Joint placement, edge conditions, and material transitions are resolved before installation begins. Tile layout decisions are visual and technical simultaneously — both are addressed in planning.

06

Lighting and Electrical Coordination

Fixture placement and electrical layout are developed alongside the interior design — not assigned to an electrician after the design is finished. This is how ceiling and wall lines stay clean and lighting performs as intended.

07

Whole-Interior Integration

Materials, proportions, and transitions are reviewed across every room as a unified system. A home that feels cohesive is designed that way — not assembled room by room and hoped to connect.

08

Construction-Ready Design Documentation

Every design decision is documented to a level that supports accurate on-site execution. For board submissions, the same documentation meets co-op and condo review requirements without a separate preparation phase.

Our Home Renovation Process.

From First Meeting to Final Walkthrough

The construction process begins after every decision has been finalized.

1. Site visit & Consultation

We review the space, how it is used, and what the building will permit. Design direction is established against real constraints — not adjusted for them later.

2. Design Development

Layouts, materials, and interior details are resolved to a construction-ready level. Where decisions benefit from visual confirmation, 3D visualization is used before anything is committed to construction.

3. Permit & Approval Submission

Design documentation is prepared for co-op board, condo board, or DOB review as required. This is part of our standard process — not an additional engagement.

4. Construction Coordination

Design intent is carried directly into execution by the same team. No translation between designer and builder. What was designed is what gets built.

5. Punch List & Final Walkthrough

Thorough walkthrough before the project closes. All outstanding items resolved, permits closed with NYC DOB, and full documentation provided to you.

Building Experience

New York City Buildings We Design For

Brownstones across New York City are not uniform. Borough, block, decade of construction, and current configuration each affect what a renovation requires. We work across the full range.

Pre-War Apartments

Original proportions, plaster walls, and period detail are treated as design assets. Modern systems and finishes are integrated without erasing the character that makes these apartments worth renovating.

Post-War and Newer Construction

Efficient layouts are given warmth, proportion, and material depth. The starting point is better bones than pre-war — the opportunity is making them feel considered.

Brownstones and Townhouses

Narrow footprints, vertical circulation, and limited natural light are design problems before they are construction problems. Layouts and material selections are developed specifically around these constraints.

Why Homeowners Choose Multi-Construction Co.

The Multi Construction Co. Advantage

Every project.

01

Design That Holds Up

Renovation plans are developed with actual structural and building constraints in mind, which reduces revisions once construction is underway.

02

One Coordinated Team

Planning, coordination, and construction are managed under one accountable team — eliminating the hand-offs that cause miscommunication and delay.

03

Built for New York City Living

Decades of experience with apartments, co-ops, condos, and brownstones informs every decision we make.

04

Materials selected for performance

Finishes are chosen for durability and long-term behavior—not short-term visual appeal.

05

Clear communication throughout

Structured oversight and consistent communication keep every project controlled from start to finish.

Our Work

Projects Across

New York City

Home renovation in NYC, planned to a build-ready level before construction begins.

Slide To Explore

Townhouse Style Home
76th St
2017

A complete renovation of a Brooklyn townhouse brownstone, transforming an outdated interior into a modern, elegant living space while preserving its classic character.

Wine & Liquor Store
Upper West Side
2019

A full renovation of a prewar commercial space in Manhattan’s Upper West Side was transformed into a fully equipped wine and liquor store with optimized retail and storage design.

118 Office 8th St
118 - 8th St
2015

A complete renovation of a two-story corporate office, transforming the space into a modern, functional workplace with glass-partitioned rooms and upgraded interiors.

A Brooklyn loft apartment
535 Dean St Downtown
2019

A Brooklyn loft apartment renovation blending industrial heritage with modern interior design, creating a refined yet inviting living space.

60 Sherman St.
60 Sherman St.
2019

A complete brownstone renovation in Brooklyn featuring full interior design, structural upgrades, and high-end kitchen and bathroom transformations.

East 39th Street House
East 39th Street House
2017

A full gut renovation project transforming the entire property into a modern, functional, and high-quality living space from the ground up.

Middle Village Juniper Valley Home
Middle Village
2019

A comprehensive remodeling project covering both structural and finishing work across the 1st and 2nd floors, including interior upgrades, flooring, and exterior roofing improvements.

Kensington Brooklyn Apartment
135 Ocean Parkway
2019

A full interior renovation focused on modernizing the kitchen and bathroom, complemented by upgraded flooring and high-quality finishing throughout the space.

Boerum Hill Apartment
86 Butler St. Boerum Hill
2017

A complete kitchen and bathroom renovation combined with structural upgrades, flooring refinishing, and full interior finishing across the entire space.

Bedford-Stuyvesant House
36 Rochester Street
2019

A full interior renovation of a Bedford Stuyvesant house, covering structural upgrades, kitchen and bathroom remodeling, plumbing improvements, and complete stair reconstruction.

Client Reviews

What New York Homeowners Say About Our Services.

Let's Build Your Project

Get a Free Renovation Estimate.

Build With Confidence

We visit your premises, assess what’s actually possible inside your building, and give you a realistic scope, timeline, and cost before you commit to anything.

FAQs

Frequently Asked Questions About Home Renovation in NYC

Have questions? We’ve answered some of the most common ones.

Not with Multi-Construction Co. Design and construction are managed under one team, which means design decisions are made with construction knowledge and executed without a handoff. That continuity is what keeps design intent intact.

Yes. Board submission documentation is prepared as part of our standard design scope. NYC co-op and condo boards have specific requirements — these are addressed in the design and documentation phase, not discovered during review.

No. Focused renovations — a single room, a kitchen, a primary bathroom — benefit from the same design discipline. Smaller projects have less margin for revision, which makes early design resolution more important, not less.

Before it. Design should establish the construction scope, not respond to it. Engaging design after construction planning is underway produces the compromises most clients are trying to avoid.