HLZAE

HLZAE Our passion drives us to construct a legacy as the leading architectural and engineering firm in NYC. Howard L.

Zimmerman Architects & Engineers, DPC (HLZAE) is a full service Architecture/Engineering firm specializing in: Exterior Restoration of Building Facades, Building Preservation, Forensic Investigation and New Building Consulting. When buildings age, weather, leak, shift and become porous; when their systems become overtaxed and outdated, assessing their stability and making them resilient is essenti

al for future use. With a full staff of Architects, Structural Engineers, Mechanical, Electrical and Civil Engineers and an in house Expediting Team, HLZAE’s knowledge and expertise in revitalizing, repairing and upgrading any component of an existing building is implemented to stand the test of time. HLZAE is Certified™ by Great Place to Work® for 2024.

Beneath the sidewalks of Manhattan, another layer of the city tells its story.These underground views from 775 Riverside...
05/29/2026

Beneath the sidewalks of Manhattan, another layer of the city tells its story.

These underground views from 775 Riverside Drive offer a rare glimpse below street level and into a side of the building few ever see.

It’s a reminder that some of the most interesting parts of a building aren’t always visible from the street.

Photos by: Dillon Galvis, HLZAE

📍121 Nassau StreetA beautiful start to Memorial Day weekend above Lower Manhattan.From City Hall Park to the Brooklyn Br...
05/22/2026

📍121 Nassau Street

A beautiful start to Memorial Day weekend above Lower Manhattan.

From City Hall Park to the Brooklyn Bridge to One World Trade, every direction tells a different story of New York’s skyline history.

Days like this make it easy to appreciate the city a little more.

04/30/2026

Permitting in California comes with a different set of challenges.

Loris Memic from Milrose walks through what makes it different, from the California Building Code (CBC) to added review layers like CEQA and the Coastal Commission.

He also touches on seismic requirements and how they can impact planning, permitting, and overall project scope and cost.

Watch the full video to learn more.

Video by Christiana Chin, Milrose Consultants

AEC

Kip’s Bay Towers from a different perspective. 🏙️Wrapping up the week with views like this, never taking it for granted....
04/17/2026

Kip’s Bay Towers from a different perspective. 🏙️

Wrapping up the week with views like this, never taking it for granted.

Photos by Delaney Bannister, HLZAE

A look at Lower Manhattan from 121 Nassau Street.Being on site always offers a different perspective, one that most peop...
04/03/2026

A look at Lower Manhattan from 121 Nassau Street.
Being on site always offers a different perspective, one that most people don’t get to see.

Photos by: Yuri a Karpinovich, HLZAE

Warmer days mean more time in the field, and we’re not complaining. Marina Costa getting up close with the cornice detai...
03/20/2026

Warmer days mean more time in the field, and we’re not complaining. Marina Costa getting up close with the cornice details at 221 West 82nd Street.

Reflecting on the details at 1320 York Avenue during a recent window inspection. 🏙️Photo by: Carlos Mora, HLZAE
02/27/2026

Reflecting on the details at 1320 York Avenue during a recent window inspection. 🏙️

Photo by: Carlos Mora, HLZAE

Award-winning preservation.🏆We’re honored to receive a 2026 Lucy G. Moses Preservation Award for 867 Madison Avenue, the...
02/13/2026

Award-winning preservation.🏆

We’re honored to receive a 2026 Lucy G. Moses Preservation Award for 867 Madison Avenue, the historic Rhinelander Mansion and home to the Ralph Lauren flagship.

Thank you to Leslie Berman and the HLZAE preservation team for their leadership on this incredible project.

More to come from the award ceremony this spring!

Address

11 West 30th Street, 3rd Floor
New York, NY
10001

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+12125649393

Website

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