• Broker Connor Wrightson 3014171088
  • Broker Ronayne Waldron 3015025478

Eugene B. Casey Bldg 800 S Frederick Ave 1,000 - 21,615 SF of Space Available in Gaithersburg, MD 20877

View Photo

HIGHLIGHTS

  • Centrally located in the most populous county in Maryland. Forbes ranked Montgomery County as one of the wealthiest counties in the US in 2018.
  • Professionals will enjoy the future deli with lounge area and the health spa/gym that will be located in the building.
  • The Montgomery Medical Clinic occupies space on the ground floor and the building is near to two area hospitals.
  • Located within a 5-minute drive to the Shady Grove Metro Station and other neighborhood retailers like Nordstrom Rack, Home Depot and CrossFit.
  • Tenants have direct access to the entire Washington-Frederick Business area and the I-270 technology corridor by way of I-370 and I-270.
  • Turn-key medical space available for immediate occupancy with suites ranges from 1,235- 12,607 square feet.

ALL AVAILABLE SPACES(3)

Display Rental Rate as

  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 1st Floor
  • 1,611 SF
  • Negotiable
  • $26.00 /SF/YR $2.17 /SF/MO $279.86 /m²/YR $23.32 /m²/MO $3,491 /MO $41,886 /YR
  • Office/Retail
  • Full Build-Out
  • Now
800 S Frederick Ave, Gaithersburg, MD for lease Floor Plan- Image 1 of 1
Floor Plan
  • Rate includes utilities, building services and property expenses
  • Fits 5 - 13 People
  • Fully Built-Out as Standard Retail Space
  • Marketing Brochure/Flyer
  • 2nd Floor, Ste 201
  • 1,004 SF
  • Negotiable
  • $26.00 /SF/YR $2.17 /SF/MO $279.86 /m²/YR $23.32 /m²/MO $2,175 /MO $26,104 /YR
  • Office
  • -
  • November 01, 2025

Space consists of a reception area and four private offices.

  • Rate includes utilities, building services and property expenses
  • 4 Private Offices
  • Fits 3 - 9 People
  • Reception Area
  • 3rd Floor
  • 1,000-19,000 SF
  • Negotiable
  • $26.00 /SF/YR $2.17 /SF/MO $279.86 /m²/YR $23.32 /m²/MO $41,167 /MO $494,000 /YR
  • Office/Medical
  • -
  • Now
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800 S Frederick Ave, Gaithersburg, MD for lease Interior Photo- Image 1 of 4
Interior Photo
800 S Frederick Ave, Gaithersburg, MD for lease Interior Photo- Image 2 of 4
Interior Photo
800 S Frederick Ave, Gaithersburg, MD for lease Interior Photo- Image 3 of 4
Interior Photo
800 S Frederick Ave, Gaithersburg, MD for lease Floor Plan- Image 4 of 4
Floor Plan

Rental Estimate includes Core Factor.

  • Rate includes utilities, building services and property expenses
  • Fits 3 - 192 People
  • Marketing Brochure/Flyer
Space Size Term Rental Rate Space Use Condition Available
1st Floor 1,611 SF Negotiable $26.00 /SF/YR $2.17 /SF/MO $279.86 /m²/YR $23.32 /m²/MO $3,491 /MO $41,886 /YR Office/Retail Full Build-Out Now
2nd Floor, Ste 201 1,004 SF Negotiable $26.00 /SF/YR $2.17 /SF/MO $279.86 /m²/YR $23.32 /m²/MO $2,175 /MO $26,104 /YR Office - November 01, 2025
3rd Floor 1,000-19,000 SF Negotiable $26.00 /SF/YR $2.17 /SF/MO $279.86 /m²/YR $23.32 /m²/MO $41,167 /MO $494,000 /YR Office/Medical - Now

1st Floor

Size
1,611 SF
Term
Negotiable
Rental Rate
$26.00 /SF/YR $2.17 /SF/MO $279.86 /m²/YR $23.32 /m²/MO $3,491 /MO $41,886 /YR
Space Use
Office/Retail
Condition
Full Build-Out
Available
Now

2nd Floor, Ste 201

Size
1,004 SF
Term
Negotiable
Rental Rate
$26.00 /SF/YR $2.17 /SF/MO $279.86 /m²/YR $23.32 /m²/MO $2,175 /MO $26,104 /YR
Space Use
Office
Condition
-
Available
November 01, 2025

3rd Floor

Size
1,000-19,000 SF
Term
Negotiable
Rental Rate
$26.00 /SF/YR $2.17 /SF/MO $279.86 /m²/YR $23.32 /m²/MO $41,167 /MO $494,000 /YR
Space Use
Office/Medical
Condition
-
Available
Now
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3D TOUR
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STREET VIEW STREET
MAP
800 S Frederick Ave, Gaithersburg, MD for lease Floor Plan- Image 1 of 1
Floor Plan

1st Floor

800 S Frederick Ave, Gaithersburg, MD for lease Floor Plan- Image 1 of 1
Floor Plan
Size 1,611 SF
Term Negotiable
Rental Rate $26.00 /SF/YR
Space Use Office/Retail
Condition Full Build-Out
Available Now

  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Standard Retail Space
  • Fits 5 - 13 People
  • Marketing Brochure/Flyer

2nd Floor, Ste 201

Size 1,004 SF
Term Negotiable
Rental Rate $26.00 /SF/YR
Space Use Office
Condition -
Available November 01, 2025

Space consists of a reception area and four private offices.

  • Rate includes utilities, building services and property expenses
  • Fits 3 - 9 People
  • 4 Private Offices
  • Reception Area
1 of 4
VIDEOS
3D TOUR
PHOTOS
STREET VIEW STREET
MAP
1/4
800 S Frederick Ave, Gaithersburg, MD for lease Interior Photo- Image 1 of 4
Suite 300 - Entire 3rd Floor Shell
800 S Frederick Ave, Gaithersburg, MD for lease Interior Photo- Image 2 of 4
Suite 300 - Entire 3rd Floor Shell
800 S Frederick Ave, Gaithersburg, MD for lease Interior Photo- Image 3 of 4
Suite 300 - Entire 3rd Floor Shell
800 S Frederick Ave, Gaithersburg, MD for lease Floor Plan- Image 4 of 4
Floor Plan

3rd Floor

1/4
800 S Frederick Ave, Gaithersburg, MD for lease Interior Photo- Image 1 of 4
Interior Photo
800 S Frederick Ave, Gaithersburg, MD for lease Interior Photo- Image 2 of 4
Interior Photo
800 S Frederick Ave, Gaithersburg, MD for lease Interior Photo- Image 3 of 4
Interior Photo
800 S Frederick Ave, Gaithersburg, MD for lease Floor Plan- Image 4 of 4
Floor Plan
Size 1,000-19,000 SF
Term Negotiable
Rental Rate $26.00 /SF/YR
Space Use Office/Medical
Condition -
Available Now

Rental Estimate includes Core Factor.

  • Rate includes utilities, building services and property expenses
  • Fits 3 - 192 People
  • Marketing Brochure/Flyer

PROPERTY OVERVIEW

The Eugene B. Casey Building is centrally located within a dense residential area in Montgomery County and positioned off I-370 and I-270. Tenants here have direct access to the entire Washington-Frederick Business area plus a myriad of corporate neighbors, who comprise the I-270 technology corridor. The Eugene B. Casey Building is also convenient for area commuters, with easy access to Mid-County Highway, Route 28, Research Boulevard, and is within a 5-minute drive to the Shady Grove Metro Station. The medical/ professional office building houses the Montgomery Medical Clinic on the first floor and is 9-minutes to the Holy Cross Germantown Hospital, 20-minutes to the Olney Medical Group General Hospital, and across the street from a senior apartment community. Professionals in the building will enjoy the future on-site deli/lounge and health spa/gym, and the proximity to the neighboring Casey Community Center.

  • Atrium
  • Fitness Center
  • Property Manager on Site
  • Restaurant
  • Balcony

PROPERTY FACTS

Building Type
Office
Year Built
1990
Building Height
3 Stories
Building Size
72,000 SF
Building Class
A
Typical Floor Size
24,000 SF
Unfinished Ceiling Height
8’
Parking
240 Surface Parking Spaces

SELECT TENANTS

  • FLOOR
  • TENANT NAME
  • INDUSTRY
  • 1st
  • Adventist HealthCare Rehabilitation
  • Health Care and Social Assistance
  • 2nd
  • Beckerman Women's Health
  • Health Care and Social Assistance
  • 1st
  • Montgomery Medical Clinic
  • Health Care and Social Assistance
  • 2nd
  • The Center For Health & Healing Kim
  • Health Care and Social Assistance

MAP

ADDITIONAL PHOTOS

View Photo Entrance
View Photo Lobby
View Photo Lobby
View Photo Future Building Kitchen
View Photo Area View
View Photo Overhead View
  • Listing ID: 17984824

  • Date on Market: 5/15/2025

  • Last Updated: 6/17/2025

  • Address: 800 S Frederick Ave, Gaithersburg, MD 20877