Transform Your Space Into Something Extraordinary

Professional interior design and architecture services that bring your vision to life with style, functionality, and timeless elegance

Start Your Design Journey

About Spaces by Design

With over 15 years of experience in luxury interior design and architectural consulting, Spaces by Design has established itself as New York's premier design firm. Our award-winning team specializes in creating sophisticated, functional spaces that reflect our clients' unique personalities and lifestyles.

Founded in 2008 by renowned designer Sarah Mitchell, our studio has completed over 500 residential and commercial projects across Manhattan, Brooklyn, and the Hamptons. We pride ourselves on delivering exceptional design solutions that seamlessly blend aesthetic beauty with practical functionality.

Our collaborative approach ensures that every project tells a story—your story. From initial concept to final installation, we work closely with clients to understand their needs, preferences, and budget, creating spaces that exceed expectations while maintaining the highest standards of quality and craftsmanship.

Whether you're renovating a classic brownstone, designing a modern penthouse, or creating an inspiring commercial space, our team brings expertise in space planning, color theory, lighting design, and luxury furnishings to every project. We believe that great design should enhance your daily life and create lasting value for your property.

Modern interior design showcase

Our Design Services

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Residential Design

Complete home renovations, room makeovers, and custom design solutions for apartments, townhouses, and luxury estates. We create cohesive living spaces that reflect your personal style.

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Commercial Spaces

Professional office design, retail environments, restaurants, and hospitality spaces. We design commercial interiors that enhance productivity and create memorable customer experiences.

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Space Planning

Optimize your layout with expert space planning services. We analyze traffic flow, functionality, and spatial relationships to create efficient and beautiful environments.

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Color Consultation

Professional color schemes and palette development that enhance mood, lighting, and architectural features. Transform any space with the perfect color story.

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Lighting Design

Custom lighting solutions including ambient, task, and accent lighting. We create layered lighting designs that enhance functionality and create the perfect atmosphere.

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Custom Furnishings

Bespoke furniture design and luxury furnishing selection. We source and create unique pieces that perfectly fit your space and design vision.

Why Choose Spaces by Design

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Award-Winning Expertise

Recognized by Architectural Digest and Interior Design Magazine for excellence in residential and commercial design

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Personalized Service

Dedicated project managers and one-on-one consultations ensure your vision becomes reality within timeline and budget

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Increased Property Value

Professional design increases property value by 10-15% on average, making it a smart investment in your future

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Turnkey Solutions

From concept to completion, we handle everything including permits, contractors, and installation for stress-free renovations

What Our Clients Say

"Spaces by Design transformed our Upper East Side apartment into a stunning modern sanctuary. Sarah and her team understood exactly what we wanted and delivered beyond our expectations. The attention to detail and quality of craftsmanship is exceptional."
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Michael Johnson

Investment Banker
"Working with Spaces by Design was the best decision we made for our Brooklyn townhouse renovation. They maximized every square foot while creating a warm, family-friendly environment. The project was completed on time and within budget."
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Amanda Chen

Marketing Director
"The commercial design for our SoHo gallery exceeded all expectations. The space now perfectly showcases our artwork while creating an inviting atmosphere for clients. Sales have increased 30% since the redesign."
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David Rodriguez

Gallery Owner
"Our Hamptons summer home is now our favorite retreat thanks to Spaces by Design. They created the perfect blend of coastal elegance and modern comfort. Every guest comments on how beautiful and inviting the space feels."
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Lisa Williams

Real Estate Executive
"The team at Spaces by Design made our office renovation seamless. They understood our company culture and created a workspace that boosts productivity and impresses clients. Highly recommend their commercial design services."
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Robert Thompson

CEO, Tech Startup
"From the initial consultation to the final reveal, Spaces by Design provided exceptional service. They transformed our dated apartment into a sophisticated, functional space that we absolutely love. Worth every penny!"
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Karen Martinez

Fashion Designer

Get Your Free Design Consultation

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Visit Our Showroom

425 Park Avenue, Suite 1200
New York, NY 10022

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Call Us Today

+1 (212) 555-0187

Mon-Fri: 9:00 AM - 6:00 PM

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Email Us

[email protected]

We respond within 4 hours

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Free Consultation

Schedule your complimentary 60-minute design consultation

Available 7 days a week