Mammoth is a design-build
studio where thoughtful design
meets expert craftsmanship.

We specialize in high-end residential and commercial renovations across Manhattan and Brooklyn.

Modern kitchen with wooden cabinetry, a marble backsplash, and a marble kitchen island with four wooden barstools. A large glass vase with branches and flowers is on the island, and a bowl of lemons is placed on top. There are pendant lights overhead and a window with a beige shade to the left.

77 Park Ave.
Manhattan

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RESIDENTIAL

Office space with wooden sliding doors, a round dining table with four chairs, a vase with flowers, a small rug, and work desks with chairs.
Wooden room with mirrored closet doors and a wall-mounted flat screen TV, with a chair visible in the reflection.
Minimalist kitchen with black countertop, a tall beige vase with orange and green plants, an open book, a white coffee mug, and a closed book on the counter. White pendant lights hanging above.

HOPR:
13 E. 16th Street
Manhattan

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COMMERCIAL

Dining area with a wooden table, black chairs, a vase of white flowers, multiple red apples, a brick wall, and blue kitchen cabinets.
A cozy corner of a room with a vintage armchair, a window with a white roller blind, a potted orchid, and a vase of purple flowers on a side table.

49 Columbia Place
Brooklyn

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RESIDENTIAL

Empty restaurant bar with a dark wooden counter, glasses and tableware, a backdrop painting of a still life with fruit and pottery, and bottles of liquor on a shelf.

Field Guide:
235 Kent Ave
Brooklyn

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COMMERCIAL

A wooden sideboard with two matching stools, decorative items, books, a framed photograph, a flat-screen TV, and vases with dried flowers in a cozy room with wooden flooring.
Living room with wooden cabinets, a small sink, a gray sofa, a framed artwork, and a black vase with white flowers on the cabinet.

343 West 12th St.
Manhattan

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RESIDENTIAL

Living room interior design

Homes Built for New York Living

From pre-war co-ops to brownstone restorations, Mammoth turns historic New York residences into spaces that reflect your modern lifestyle and taste. Our design-build team provides tailored layouts, material selections, and precise execution from concept to completion.

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Commercial space interior design

Commercial Spaces Built for Business

Mammoth designs and builds commercial New York spaces that support daily operations and long-term growth. From offices to retail, our team handles the design and construction from start to finish, so projects stay on time and on budget.

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Houzz 2018 Best of Service award badge with gray border, Houzz logo, and text.
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  • "(They) brought professionalism and creativity to my project, and understood and respected the importance of my budget and timelines"

    Sheena Chandran,
    Reviewed on Houzz.

  • "Was an absolute breeze to work with, and so so talented."

    Cole Dennis,
    Reviewed on Houzz

  • "Incredibly hands on, and made sure every inch of the project was done perfectly."

    Andrew Young,
    Reviewed on Houzz

  • "Transformed our drab outdated office space in Manhattan into a modern collaborative space."

    Deborah Kolben, 70 Faces Media.
    Reviewed on Google

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A person riding a bicycle on a trail in a forested area during the day.
A black-and-white dog lying on a patterned blanket in an indoor setting.

Tell Us About Your Space

Every great space starts with a vision. Let us help bring yours to life.

THOUGHTFUL DESIGN,
AWARD-WINNING SERVICE,
& EXPERT PROJECT MANAGEMENT.

Mammoth is a New York City interior design-build studio that turns homes and workplaces into spaces that feel distinctly lived-in and well-made. Woman-owned and led, our team brings architectural rigor and a craft-forward sensibility to every project.

Founded by two architecture-school friends, Mammoth aims to make renovating in the city straightforward, collaborative, and genuinely satisfying—from early planning to the final finish.

Read more about our
NYC home design & renovation services here.

Read more about our
NYC commercial & office fit-out services here.

Read more about us here.