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500 Mamaroneck Ave 2,717 - 44,364 SF of Office Space Available in Harrison, NY 10528
HIGHLIGHTS
- 500 Mamaroneck Avenue is a state-of-the-art office building delivering enhanced amenity offerings in a prime Westchester location.
- Discover move-in-ready office spaces with modern finishes and customizable spec suites suitable for a multitude of industries.
- Join a prestigious tenant roster in one of the most sought-after suburban locales, providing a professional backdrop for perpetual growth and success.
- Recent renovations and sustainability and wellness initiatives create a best-in-class tenant experience.
- Commuting is a breeze with nearby access to the Mamaroneck train station, the Hutchinson River Parkway, and I-95.
- Tenants will ease into a work-life balance with a wealth of luxury retailers, local restaurants, and service amenities within reach.
ALL AVAILABLE SPACES(9)
Display Rental Rate as
- SPACE
- SIZE
- TERM
- RENTAL RATE
- SPACE USE
- CONDITION
- AVAILABLE
- Listed lease rate plus proportional share of electrical cost
- Mostly Open Floor Plan Layout
- 3 Conference Rooms
- Fully Built-Out as Standard Office
- 10 Private Offices
- 20 Workstations
- Listed lease rate plus proportional share of electrical cost
- Mostly Open Floor Plan Layout
- Fully Built-Out as Standard Office
- Space is in Excellent Condition
- Listed lease rate plus proportional share of electrical cost
- Mostly Open Floor Plan Layout
- 2 Conference Rooms
- Space is in Excellent Condition
- Fully Built-Out as Standard Office
- 3 Private Offices
- 29 Workstations
- Listed lease rate plus proportional share of electrical cost
- Space is in Excellent Condition
- Mostly Open Floor Plan Layout
- Listed lease rate plus proportional share of electrical cost
- Space is in Excellent Condition
- Mostly Open Floor Plan Layout
- Listed lease rate plus proportional share of electrical cost
- Space is in Excellent Condition
- Mostly Open Floor Plan Layout
Suites 400 & 401 can be combined.
- Listed lease rate plus proportional share of electrical cost
- Mostly Open Floor Plan Layout
- Fully Built-Out as Standard Office
Suite 406 features a private office layout, 2 offices with en-suite restrooms a reception area and conference room.
- Listed lease rate plus proportional share of electrical cost
- 8 Private Offices
- Reception Area
- Natural Light
- Available December 2025
- Features 2 offices with ensuite restrooms.
- Fully Built-Out as Standard Office
- 1 Conference Room
- Private Restrooms
- Wheelchair Accessible
- Private office layout with reception area.
- Listed lease rate plus proportional share of electrical cost
- Mostly Open Floor Plan Layout
- 1 Conference Room
- Central Air Conditioning
- Fully Built-Out as Standard Office
- 2 Private Offices
- Space is in Excellent Condition
| Space | Size | Term | Rental Rate | Space Use | Condition | Available |
| 1st Floor, Ste 101 | 7,586 SF | 1-20 Years | $45.59 CAD/SF/YR $3.80 CAD/SF/MO $345,854 CAD/YR $28,821 CAD/MO | Office | Full Build-Out | Now |
| 1st Floor, Ste 103B | 5,992 SF | 1-20 Years | $45.59 CAD/SF/YR $3.80 CAD/SF/MO $273,182 CAD/YR $22,765 CAD/MO | Office | Full Build-Out | Now |
| 1st Floor, Ste 106 | 5,384 SF | 1-20 Years | $45.59 CAD/SF/YR $3.80 CAD/SF/MO $245,463 CAD/YR $20,455 CAD/MO | Office | Full Build-Out | Now |
| 1st Floor, Ste P110 | 3,880 SF | 1-20 Years | $45.59 CAD/SF/YR $3.80 CAD/SF/MO $176,894 CAD/YR $14,741 CAD/MO | Office | Shell Space | Now |
| 2nd Floor, Ste 210 | 3,379 SF | Negotiable | $45.59 CAD/SF/YR $3.80 CAD/SF/MO $154,052 CAD/YR $12,838 CAD/MO | Office | Shell Space | Now |
| 3rd Floor, Ste 314 | 2,717 SF | 1-20 Years | $45.59 CAD/SF/YR $3.80 CAD/SF/MO $123,871 CAD/YR $10,323 CAD/MO | Office | Shell Space | Now |
| 4th Floor, Ste 401 | 4,607 SF | Negotiable | $45.59 CAD/SF/YR $3.80 CAD/SF/MO $210,038 CAD/YR $17,503 CAD/MO | Office | Full Build-Out | Now |
| 4th Floor, Ste 406 | 5,098 SF | Negotiable | $45.59 CAD/SF/YR $3.80 CAD/SF/MO $232,424 CAD/YR $19,369 CAD/MO | Office | Full Build-Out | Now |
| 5th Floor, Ste 504 | 5,721 SF | 1-10 Years | $45.59 CAD/SF/YR $3.80 CAD/SF/MO $260,827 CAD/YR $21,736 CAD/MO | Office | Full Build-Out | Now |
1st Floor, Ste 101
| Size |
| 7,586 SF |
| Term |
| 1-20 Years |
| Rental Rate |
| $45.59 CAD/SF/YR $3.80 CAD/SF/MO $345,854 CAD/YR $28,821 CAD/MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| Now |
1st Floor, Ste 103B
| Size |
| 5,992 SF |
| Term |
| 1-20 Years |
| Rental Rate |
| $45.59 CAD/SF/YR $3.80 CAD/SF/MO $273,182 CAD/YR $22,765 CAD/MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| Now |
1st Floor, Ste 106
| Size |
| 5,384 SF |
| Term |
| 1-20 Years |
| Rental Rate |
| $45.59 CAD/SF/YR $3.80 CAD/SF/MO $245,463 CAD/YR $20,455 CAD/MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| Now |
1st Floor, Ste P110
| Size |
| 3,880 SF |
| Term |
| 1-20 Years |
| Rental Rate |
| $45.59 CAD/SF/YR $3.80 CAD/SF/MO $176,894 CAD/YR $14,741 CAD/MO |
| Space Use |
| Office |
| Condition |
| Shell Space |
| Available |
| Now |
2nd Floor, Ste 210
| Size |
| 3,379 SF |
| Term |
| Negotiable |
| Rental Rate |
| $45.59 CAD/SF/YR $3.80 CAD/SF/MO $154,052 CAD/YR $12,838 CAD/MO |
| Space Use |
| Office |
| Condition |
| Shell Space |
| Available |
| Now |
3rd Floor, Ste 314
| Size |
| 2,717 SF |
| Term |
| 1-20 Years |
| Rental Rate |
| $45.59 CAD/SF/YR $3.80 CAD/SF/MO $123,871 CAD/YR $10,323 CAD/MO |
| Space Use |
| Office |
| Condition |
| Shell Space |
| Available |
| Now |
4th Floor, Ste 401
| Size |
| 4,607 SF |
| Term |
| Negotiable |
| Rental Rate |
| $45.59 CAD/SF/YR $3.80 CAD/SF/MO $210,038 CAD/YR $17,503 CAD/MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| Now |
4th Floor, Ste 406
| Size |
| 5,098 SF |
| Term |
| Negotiable |
| Rental Rate |
| $45.59 CAD/SF/YR $3.80 CAD/SF/MO $232,424 CAD/YR $19,369 CAD/MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| Now |
5th Floor, Ste 504
| Size |
| 5,721 SF |
| Term |
| 1-10 Years |
| Rental Rate |
| $45.59 CAD/SF/YR $3.80 CAD/SF/MO $260,827 CAD/YR $21,736 CAD/MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| Now |
1st Floor, Ste 101
| Size | 7,586 SF |
| Term | 1-20 Years |
| Rental Rate | $45.59 CAD/SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
- Listed lease rate plus proportional share of electrical cost
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- 10 Private Offices
- 3 Conference Rooms
- 20 Workstations
1st Floor, Ste 103B
| Size | 5,992 SF |
| Term | 1-20 Years |
| Rental Rate | $45.59 CAD/SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
- Listed lease rate plus proportional share of electrical cost
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Space is in Excellent Condition
1st Floor, Ste 106
| Size | 5,384 SF |
| Term | 1-20 Years |
| Rental Rate | $45.59 CAD/SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
- Listed lease rate plus proportional share of electrical cost
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- 3 Private Offices
- 2 Conference Rooms
- 29 Workstations
- Space is in Excellent Condition
1st Floor, Ste P110
| Size | 3,880 SF |
| Term | 1-20 Years |
| Rental Rate | $45.59 CAD/SF/YR |
| Space Use | Office |
| Condition | Shell Space |
| Available | Now |
- Listed lease rate plus proportional share of electrical cost
- Mostly Open Floor Plan Layout
- Space is in Excellent Condition
2nd Floor, Ste 210
| Size | 3,379 SF |
| Term | Negotiable |
| Rental Rate | $45.59 CAD/SF/YR |
| Space Use | Office |
| Condition | Shell Space |
| Available | Now |
- Listed lease rate plus proportional share of electrical cost
- Mostly Open Floor Plan Layout
- Space is in Excellent Condition
3rd Floor, Ste 314
| Size | 2,717 SF |
| Term | 1-20 Years |
| Rental Rate | $45.59 CAD/SF/YR |
| Space Use | Office |
| Condition | Shell Space |
| Available | Now |
- Listed lease rate plus proportional share of electrical cost
- Mostly Open Floor Plan Layout
- Space is in Excellent Condition
4th Floor, Ste 401
| Size | 4,607 SF |
| Term | Negotiable |
| Rental Rate | $45.59 CAD/SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
Suites 400 & 401 can be combined.
- Listed lease rate plus proportional share of electrical cost
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
4th Floor, Ste 406
| Size | 5,098 SF |
| Term | Negotiable |
| Rental Rate | $45.59 CAD/SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
Suite 406 features a private office layout, 2 offices with en-suite restrooms a reception area and conference room.
- Listed lease rate plus proportional share of electrical cost
- Fully Built-Out as Standard Office
- 8 Private Offices
- 1 Conference Room
- Reception Area
- Private Restrooms
- Natural Light
- Wheelchair Accessible
- Available December 2025
- Private office layout with reception area.
- Features 2 offices with ensuite restrooms.
5th Floor, Ste 504
| Size | 5,721 SF |
| Term | 1-10 Years |
| Rental Rate | $45.59 CAD/SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
- Listed lease rate plus proportional share of electrical cost
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- 2 Private Offices
- 1 Conference Room
- Space is in Excellent Condition
- Central Air Conditioning
MATTERPORT 3D TOURS
PROPERTY OVERVIEW
Establish your brand at 500 Mamaroneck Avenue, a Class A office building located on 35 landscaped acres in Harrison, New York. Beautifully constructed with a full-glass exterior façade mirroring the surrounding park-like setting, the building offers a serene environment for employees and visitors. Panoramic views showcase the property’s extensive woodlands and a scenic waterfall adorning the pond. Spanning nearly 290,000 square feet of first-class office space, 500 Mamaroneck Avenue presents flexible office suites with modern features and an exclusive, high-quality amenity package. Businesses will enjoy access to a newly renovated fitness center, an on-site dining facility, conference rooms, an ATM, complimentary parking, and tenant-only shuttle service to and from the Mamaroneck train station. Tenants will benefit from leasing space in this first-class office building. 500 Mamaroneck Avenue is established in the picturesque town of Harrison, New York. Known for its attractive neighborhoods, elegant country clubs, and highly rated school district, this affluent community is frequently listed as one of the best places to live in America. Residents and commuters enjoy convenient access to Interstates 95 and 287, the Hutchinson River Parkway, and the Mamaroneck train station. Situated less than a 30-minute drive or train ride to New York City, 500 Mamaroneck Avenue is closer to all major highways and mass transportation than any other suburban trophy property. Don’t miss the exceptional opportunity to grow your business alongside industry-leading professionals in this top-of-the-line office building.
- 24 Hour Access
- Banking
- Bus Line
- Concierge
- Conferencing Facility
- Fitness Center
- Pond
- Property Manager on Site
- Restaurant
- Security System
- Monument Signage
- Outdoor Seating
PROPERTY FACTS
MARKETING BROCHURE
NEARBY AMENITIES
HOTELS |
|
|---|---|
| Hyatt House |
187 rooms
9 min drive
|
| Sonesta Hotel |
402 rooms
9 min drive
|
| Residence Inn |
138 rooms
11 min drive
|
| Cambria Hotels |
130 rooms
10 min drive
|
| Autograph Collection |
146 rooms
10 min drive
|
| SpringHill Suites |
153 rooms
12 min drive
|
| Trademark Collection by Wyndham |
129 rooms
11 min drive
|
| Hilton |
445 rooms
11 min drive
|
ABOUT EASTERN WESTCHESTER
Eastern Westchester includes the towns of Rye, Purchase, Harrison, and the outer banks of White Plains. Connectivity to the area is extremely convenient, with Metro North train stations located in each town offering a 30-minute commute to Grand Central Terminal. Along wit,h rail access, most properties have immediate road access to Interstates 95, 287, and the Hutchinson River Parkway for employees located throughout Westchester and Fairfield County.
The area is a suburban office node featuring many Class A buildings that are geared towards finance, accounting, and insurance companies. Some of the largest employers include Avon, Pepsi Co, MasterCard, and Morgan Stanley. Firms here are often attracted by asking rents that are far more affordable than those in New York City. According to CoStar research, rents for Class A space are often half the price of their Manhattan counterparts.
Another demand driver is the amount of quality universities located in Westchester County. The ability for companies to directly draw their workforce from institutions like Sarah Lawrence, Pace University, and SUNY Purchase is a feature not many areas can claim.
LEASING AGENT
LEASING AGENT
Sheera Riemer, Vice President (Honorary Title)
Sheera joined CBRE from Newmark where she was a Director, Global Corporate Services and managed a client portfolio of 93 global office locations. Her previous clients include MKS Instruments, Estee Lauder Companies, Nuance Communications and Corning. Sheera began her real estate career at NAI Global.
ABOUT THE OWNER
OTHER PROPERTIES IN THE THE BIRCH GROUP PORTFOLIO
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500 Mamaroneck Ave
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