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South Building 601 Pennsylvania Ave NW 2,643 - 35,757 SF of 4-Star Office Space Available in Washington, DC 20004



All Available Spaces(7)
Display Rental Rate as
- Space
- Size
- Term
- Rental Rate
- Space Use
- Build-Out
- Available
High-End Spec Suite delivering Q3 2026. Extremely Efficient: six (6) windowed offices, large conference + open area. Pennsylvania Avenue Views!!! Building tenants can access three (3) Metro stations within a 5-block radius and are only a short distance from Union Station. With convenient access to I-395 for travel in and out of D.C., Reagan International Airport is a short 10-minutes away.
- Rate includes utilities, building services and property expenses
- Mostly Open Floor Plan Layout
- Fully Built-Out as Professional Services Office
Building tenants can access three (3) Metro stations within a 5-block radius and are only a short distance from Union Station. With convenient access to I-395 for travel in and out of D.C., Reagan International Airport is a short 10-minutes away.
- Rate includes utilities, building services and property expenses
- Space is in Excellent Condition
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 13,266 SF of adjacent space
Building tenants can access three (3) Metro stations within a 5-block radius and are only a short distance from Union Station. With convenient access to I-395 for travel in and out of D.C., Reagan International Airport is a short 10-minutes away.
- Rate includes utilities, building services and property expenses
- Office intensive layout
- Fully Built-Out as Standard Office
- Space is in Excellent Condition
Building tenants can access three (3) Metro stations within a 5-block radius and are only a short distance from Union Station. With convenient access to I-395 for travel in and out of D.C., Reagan International Airport is a short 10-minutes away.
- Rate includes utilities, building services and property expenses
- Mostly Open Floor Plan Layout
- 1 Conference Room
- Can be combined with additional space(s) for up to 13,266 SF of adjacent space
- Fully Built-Out as Standard Office
- 3 Private Offices
- Space is in Excellent Condition
6,873 SF Available May 1, 2026, asking $75 FS with 5-15 year term. Building tenants can access three (3) Metro stations within a 5-block radius and are only a short distance from Union Station. With convenient access to I-395 for travel in and out of D.C., Reagan International Airport is a short 10-minutes away.
- Rate includes utilities, building services and property expenses
- Office intensive layout
- Can be combined with additional space(s) for up to 13,266 SF of adjacent space
- Fully Built-Out as Standard Office
- Space is in Excellent Condition
Building tenants can access three (3) Metro stations within a 5-block radius and are only a short distance from Union Station. With convenient access to I-395 for travel in and out of D.C., Reagan International Airport is a short 10-minutes away.
- Rate includes utilities, building services and property expenses
- 7 Private Offices
- Fully Built-Out as Professional Services Office
- Space is in Excellent Condition
High-End Spec Suite delivering Q3 2026. Extremely Efficient: six (6) windowed offices, large conference + open area. Pennsylvania Avenue Views!!! Building tenants can access three (3) Metro stations within a 5-block radius and are only a short distance from Union Station. With convenient access to I-395 for travel in and out of D.C., Reagan International Airport is a short 10-minutes away.
- Rate includes utilities, building services and property expenses
- 1 Conference Room
- 6 Private Offices
- 3 Workstations
| Space | Size | Term | Rental Rate | Space Use | Build-Out | Available |
| 1st Floor | 10,199 SF | 5-15 Years | Upon Request Upon Request Upon Request Upon Request | Office | Full Build-Out | 30 Days |
| 2nd Floor | 2,643 SF | 5-15 Years | Upon Request Upon Request Upon Request Upon Request | Office | Shell Space | 2028-08-01 |
| 2nd Floor, Ste 200 | 5,708 SF | 5-15 Years | $104.67 CAD/SF/YR $8.72 CAD/SF/MO $597,465 CAD/YR $49,789 CAD/MO | Office | Full Build-Out | Now |
| 2nd Floor, Ste 210 | 3,750 SF | 5-15 Years | $104.67 CAD/SF/YR $8.72 CAD/SF/MO $392,518 CAD/YR $32,710 CAD/MO | Office | Full Build-Out | Now |
| 2nd Floor, Ste 230 | 6,873 SF | 5-15 Years | $104.67 CAD/SF/YR $8.72 CAD/SF/MO $719,407 CAD/YR $59,951 CAD/MO | Office | Full Build-Out | Now |
| 4th Floor, Ste 420 | 3,459 SF | 3-15 Years | $104.67 CAD/SF/YR $8.72 CAD/SF/MO $362,059 CAD/YR $30,172 CAD/MO | Office | Full Build-Out | Now |
| 8th Floor | 3,125 SF | 3-10 Years | Upon Request Upon Request Upon Request Upon Request | Office | Spec Suite | Now |
1st Floor
| Size |
| 10,199 SF |
| Term |
| 5-15 Years |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| 30 Days |
2nd Floor
| Size |
| 2,643 SF |
| Term |
| 5-15 Years |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Build-Out |
| Shell Space |
| Available |
| 2028-08-01 |
2nd Floor, Ste 200
| Size |
| 5,708 SF |
| Term |
| 5-15 Years |
| Rental Rate |
| $104.67 CAD/SF/YR $8.72 CAD/SF/MO $597,465 CAD/YR $49,789 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
2nd Floor, Ste 210
| Size |
| 3,750 SF |
| Term |
| 5-15 Years |
| Rental Rate |
| $104.67 CAD/SF/YR $8.72 CAD/SF/MO $392,518 CAD/YR $32,710 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
2nd Floor, Ste 230
| Size |
| 6,873 SF |
| Term |
| 5-15 Years |
| Rental Rate |
| $104.67 CAD/SF/YR $8.72 CAD/SF/MO $719,407 CAD/YR $59,951 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
4th Floor, Ste 420
| Size |
| 3,459 SF |
| Term |
| 3-15 Years |
| Rental Rate |
| $104.67 CAD/SF/YR $8.72 CAD/SF/MO $362,059 CAD/YR $30,172 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
8th Floor
| Size |
| 3,125 SF |
| Term |
| 3-10 Years |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Build-Out |
| Spec Suite |
| Available |
| Now |
1st Floor
| Size | 10,199 SF |
| Term | 5-15 Years |
| Rental Rate | Upon Request |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | 30 Days |
High-End Spec Suite delivering Q3 2026. Extremely Efficient: six (6) windowed offices, large conference + open area. Pennsylvania Avenue Views!!! Building tenants can access three (3) Metro stations within a 5-block radius and are only a short distance from Union Station. With convenient access to I-395 for travel in and out of D.C., Reagan International Airport is a short 10-minutes away.
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Professional Services Office
- Mostly Open Floor Plan Layout
2nd Floor
| Size | 2,643 SF |
| Term | 5-15 Years |
| Rental Rate | Upon Request |
| Space Use | Office |
| Build-Out | Shell Space |
| Available | 2028-08-01 |
Building tenants can access three (3) Metro stations within a 5-block radius and are only a short distance from Union Station. With convenient access to I-395 for travel in and out of D.C., Reagan International Airport is a short 10-minutes away.
- Rate includes utilities, building services and property expenses
- Mostly Open Floor Plan Layout
- Space is in Excellent Condition
- Can be combined with additional space(s) for up to 13,266 SF of adjacent space
2nd Floor, Ste 200
| Size | 5,708 SF |
| Term | 5-15 Years |
| Rental Rate | $104.67 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | Now |
Building tenants can access three (3) Metro stations within a 5-block radius and are only a short distance from Union Station. With convenient access to I-395 for travel in and out of D.C., Reagan International Airport is a short 10-minutes away.
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Standard Office
- Office intensive layout
- Space is in Excellent Condition
2nd Floor, Ste 210
| Size | 3,750 SF |
| Term | 5-15 Years |
| Rental Rate | $104.67 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | Now |
Building tenants can access three (3) Metro stations within a 5-block radius and are only a short distance from Union Station. With convenient access to I-395 for travel in and out of D.C., Reagan International Airport is a short 10-minutes away.
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- 3 Private Offices
- 1 Conference Room
- Space is in Excellent Condition
- Can be combined with additional space(s) for up to 13,266 SF of adjacent space
2nd Floor, Ste 230
| Size | 6,873 SF |
| Term | 5-15 Years |
| Rental Rate | $104.67 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | Now |
6,873 SF Available May 1, 2026, asking $75 FS with 5-15 year term. Building tenants can access three (3) Metro stations within a 5-block radius and are only a short distance from Union Station. With convenient access to I-395 for travel in and out of D.C., Reagan International Airport is a short 10-minutes away.
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Standard Office
- Office intensive layout
- Space is in Excellent Condition
- Can be combined with additional space(s) for up to 13,266 SF of adjacent space
4th Floor, Ste 420
| Size | 3,459 SF |
| Term | 3-15 Years |
| Rental Rate | $104.67 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | Now |
Building tenants can access three (3) Metro stations within a 5-block radius and are only a short distance from Union Station. With convenient access to I-395 for travel in and out of D.C., Reagan International Airport is a short 10-minutes away.
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Professional Services Office
- 7 Private Offices
- Space is in Excellent Condition
8th Floor
| Size | 3,125 SF |
| Term | 3-10 Years |
| Rental Rate | Upon Request |
| Space Use | Office |
| Build-Out | Spec Suite |
| Available | Now |
High-End Spec Suite delivering Q3 2026. Extremely Efficient: six (6) windowed offices, large conference + open area. Pennsylvania Avenue Views!!! Building tenants can access three (3) Metro stations within a 5-block radius and are only a short distance from Union Station. With convenient access to I-395 for travel in and out of D.C., Reagan International Airport is a short 10-minutes away.
- Rate includes utilities, building services and property expenses
- 6 Private Offices
- 1 Conference Room
- 3 Workstations
Matterport 3D Tour
Property Overview
601 Pennsylvania Avenue NW is a Class A, office property offering premium workspace in one of Washington, DC’s most prestigious corridors. Located between the U.S. Capitol and Penn Quarter, the building provides exceptional visibility and efficient floor plates. The building is situated between the U.S. Capitol and the heart of Penn Quarter offering unparalleled access to three Metro stations, major commuter routes, and an extensive selection of dining, entertainment, and cultural destinations.
- Conferencing Facility
- Fitness Center
- Food Service
- Central Heating
- Air Conditioning
- Balcony
Property Facts
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South Building | 601 Pennsylvania Ave NW
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