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Westlake Business Park Seattle, WA 98109 389 - 4,935 SF of Office Space Available
PARK HIGHLIGHTS
- Proximity to South Lake Union
- Flexible floorplans available.
- Waterfront docks with a lot of foot traffic
- 24 hours access.
PARK FACTS
| Total Space Available | 4,935 SF | Features | Restaurant |
| Park Type | Office Park |
| Total Space Available | 4,935 SF |
| Park Type | Office Park |
| Features | Restaurant |
ALL AVAILABLE SPACES(6)
Display Rental Rate as
- SPACE
- SIZE
- TERM
- RENTAL RATE
- SPACE USE
- CONDITION
- AVAILABLE
This space has been used as a massage clinic and an infusion clinic. It is perfect for those and similar uses. There are quite a few rooms that range in size from very small to ample. The space can also be reconfigured. You have a private entrance that opens to our lovely docks. There is also a sliding glass door that opens onto the docks. You can sit on the docks, watch life on the lake, and eat your lunch or work.
- Rate includes utilities, building services and property expenses
- Fits 5 - 16 People
- Finished Ceilings: 8’
- Central Air and Heating
- Wi-Fi Connectivity
- Corner Space
- Accent Lighting
- Food Service
- Fully Built-Out as Professional Services Office
- 10 Private Offices
- Space is in Excellent Condition
- Reception Area
- Fully Carpeted
- Drop Ceilings
- DDA Compliant
- Wheelchair Accessible
This dock level view office has two private rooms and a small waiting area. It's perfect for a variety of healthcare, retail, or other uses. We can customize finishes to you at a reduced cost.
- Rate includes utilities, building services and property expenses
- Fits 2 - 4 People
- Conference Rooms
- Central Air and Heating
- Balcony
- Natural Light
- DDA Compliant
- Open-Plan
- Wheelchair Accessible
- Fully Built-Out as Standard Office
- 2 Private Offices
- Space is in Excellent Condition
- Elevator Access
- Exposed Ceiling
- After Hours HVAC Available
- Food Service
- Hardwood Floors
- On the water with views of Lake Union!
This view suite has a waiting area, a very large open space and a private office. It is suitable for any professional, a small tech start up, or any use that requires collaboration between a group.
- Rate includes utilities, building services and property expenses
- Fits 3 - 7 People
- 1 Conference Room
- Space is in Excellent Condition
- Mostly Open Floor Plan Layout
- 1 Private Office
- Finished Ceilings: 8’
- Great view of Lake Union and downtown Seattle
This suite boasts an ample reception area, excellent storage, one very large private space and another good size office. There is a pleasant view of the Westlake Trail. The space is versatile and could be used as open office with a private room or many other possibilities.
- Rate includes utilities, building services and property expenses
- Fits 2 - 7 People
- Conference Rooms
- Central Air and Heating
- Wi-Fi Connectivity
- Fully Carpeted
- Natural Light
- Emergency Lighting
- Food Service
- Very versatile space
- Fully Built-Out as Standard Office
- 2 Private Offices
- Space is in Excellent Condition
- Reception Area
- Elevator Access
- Drop Ceilings
- After Hours HVAC Available
- DDA Compliant
- Wheelchair Accessible
Suite 414 has a spectacular view of Lake Union, and the rest of Seattle east of the Lake. It is a quiet office suitable for any professional. Our community has numerous psychotherapists, lawyers, doctors, and other health care providers.
- Rate includes utilities, building services and property expenses
- 2 Private Offices
- Space is in Excellent Condition
- Fits 1 - 4 People
- Finished Ceilings: 8’
- Great Lake View!
| Space | Size | Term | Rental Rate | Space Use | Condition | Available |
| 1st Floor, Ste 106 | 1,881 SF | 1-5 Years | $40.00 /SF/YR $3.33 /SF/MO $75,240 /YR $6,270 /MO | Office | Full Build-Out | Now |
| 1st Floor, Ste 112 | 407 SF | Negotiable | $40.00 /SF/YR $3.33 /SF/MO $16,280 /YR $1,357 /MO | Office | Full Build-Out | Now |
| 2nd Floor, Ste 201 | 825 SF | Negotiable | $40.00 /SF/YR $3.33 /SF/MO $33,000 /YR $2,750 /MO | Office | Full Build-Out | January 17, 2026 |
| 4th Floor, Ste 402 | 776 SF | Negotiable | $40.00 /SF/YR $3.33 /SF/MO $31,040 /YR $2,587 /MO | Office | Full Build-Out | Now |
| 4th Floor, Ste 414 | 389 SF | Negotiable | $47.00 /SF/YR $3.92 /SF/MO $18,283 /YR $1,524 /MO | Office | Full Build-Out | January 15, 2026 |
1818 Westlake Ave N - 1st Floor - Ste 106
1818 Westlake Ave N - 1st Floor - Ste 112
1818 Westlake Ave N - 2nd Floor - Ste 201
1818 Westlake Ave N - 4th Floor - Ste 402
1818 Westlake Ave N - 4th Floor - Ste 414
- SPACE
- SIZE
- TERM
- RENTAL RATE
- SPACE USE
- CONDITION
- AVAILABLE
This suite has a great view of Lake Union. There is a waiting area with a spectacular mural of the Seattle skyline. The interior office is very open with nice flooring and a private work area. The space can be modified to suit your needs. You have your own private entrance with 24/7 access.
- Rate includes utilities, building services and property expenses
- Fits 2 - 6 People
- Space is in Excellent Condition
- Wi-Fi Connectivity
- Drop Ceilings
- Bicycle Storage
- Common Parts WC Facilities
- Lake Views, City Views, private entrance
- Mostly Open Floor Plan Layout
- Conference Rooms
- Central Air and Heating
- Fully Carpeted
- Natural Light
- Accent Lighting
- Open-Plan
| Space | Size | Term | Rental Rate | Space Use | Condition | Available |
| 3rd Floor, Ste 301 | 657 SF | Negotiable | $40.00 /SF/YR $3.33 /SF/MO $26,280 /YR $2,190 /MO | Office | - | Now |
1800 Westlake Ave N - 3rd Floor - Ste 301
1818 Westlake Ave N - 1st Floor - Ste 106
| Size | 1,881 SF |
| Term | 1-5 Years |
| Rental Rate | $40.00 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
This space has been used as a massage clinic and an infusion clinic. It is perfect for those and similar uses. There are quite a few rooms that range in size from very small to ample. The space can also be reconfigured. You have a private entrance that opens to our lovely docks. There is also a sliding glass door that opens onto the docks. You can sit on the docks, watch life on the lake, and eat your lunch or work.
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Professional Services Office
- Fits 5 - 16 People
- 10 Private Offices
- Finished Ceilings: 8’
- Space is in Excellent Condition
- Central Air and Heating
- Reception Area
- Wi-Fi Connectivity
- Fully Carpeted
- Corner Space
- Drop Ceilings
- Accent Lighting
- DDA Compliant
- Food Service
- Wheelchair Accessible
1818 Westlake Ave N - 1st Floor - Ste 112
| Size | 407 SF |
| Term | Negotiable |
| Rental Rate | $40.00 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
This dock level view office has two private rooms and a small waiting area. It's perfect for a variety of healthcare, retail, or other uses. We can customize finishes to you at a reduced cost.
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Standard Office
- Fits 2 - 4 People
- 2 Private Offices
- Conference Rooms
- Space is in Excellent Condition
- Central Air and Heating
- Elevator Access
- Balcony
- Exposed Ceiling
- Natural Light
- After Hours HVAC Available
- DDA Compliant
- Food Service
- Open-Plan
- Hardwood Floors
- Wheelchair Accessible
- On the water with views of Lake Union!
1818 Westlake Ave N - 2nd Floor - Ste 201
| Size | 825 SF |
| Term | Negotiable |
| Rental Rate | $40.00 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | January 17, 2026 |
This view suite has a waiting area, a very large open space and a private office. It is suitable for any professional, a small tech start up, or any use that requires collaboration between a group.
- Rate includes utilities, building services and property expenses
- Mostly Open Floor Plan Layout
- Fits 3 - 7 People
- 1 Private Office
- 1 Conference Room
- Finished Ceilings: 8’
- Space is in Excellent Condition
- Great view of Lake Union and downtown Seattle
1818 Westlake Ave N - 4th Floor - Ste 402
| Size | 776 SF |
| Term | Negotiable |
| Rental Rate | $40.00 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
This suite boasts an ample reception area, excellent storage, one very large private space and another good size office. There is a pleasant view of the Westlake Trail. The space is versatile and could be used as open office with a private room or many other possibilities.
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Standard Office
- Fits 2 - 7 People
- 2 Private Offices
- Conference Rooms
- Space is in Excellent Condition
- Central Air and Heating
- Reception Area
- Wi-Fi Connectivity
- Elevator Access
- Fully Carpeted
- Drop Ceilings
- Natural Light
- After Hours HVAC Available
- Emergency Lighting
- DDA Compliant
- Food Service
- Wheelchair Accessible
- Very versatile space
1818 Westlake Ave N - 4th Floor - Ste 414
| Size | 389 SF |
| Term | Negotiable |
| Rental Rate | $47.00 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | January 15, 2026 |
Suite 414 has a spectacular view of Lake Union, and the rest of Seattle east of the Lake. It is a quiet office suitable for any professional. Our community has numerous psychotherapists, lawyers, doctors, and other health care providers.
- Rate includes utilities, building services and property expenses
- Fits 1 - 4 People
- 2 Private Offices
- Finished Ceilings: 8’
- Space is in Excellent Condition
- Great Lake View!
1800 Westlake Ave N - 3rd Floor - Ste 301
| Size | 657 SF |
| Term | Negotiable |
| Rental Rate | $40.00 /SF/YR |
| Space Use | Office |
| Condition | - |
| Available | Now |
This suite has a great view of Lake Union. There is a waiting area with a spectacular mural of the Seattle skyline. The interior office is very open with nice flooring and a private work area. The space can be modified to suit your needs. You have your own private entrance with 24/7 access.
- Rate includes utilities, building services and property expenses
- Mostly Open Floor Plan Layout
- Fits 2 - 6 People
- Conference Rooms
- Space is in Excellent Condition
- Central Air and Heating
- Wi-Fi Connectivity
- Fully Carpeted
- Drop Ceilings
- Natural Light
- Bicycle Storage
- Accent Lighting
- Common Parts WC Facilities
- Open-Plan
- Lake Views, City Views, private entrance
PARK OVERVIEW
Waterworks Offices and Marina sits on the west side of Lake Union adjacent the Westlake Trail. The community is filled with a wide variety of small businesses, including lawyers, psychotherapists, naturopaths, nurse practitioners, tech and pharma start ups, small retail and much more. There is an excellent deli on site. Most offices boast spectacular views with floor to ceiling windows. Floor plans range from open office to numerous small offices. Those with interior offices all have reception areas. Some suites have sinks or kitchens. The management is very friendly, responsive, and flexible. We try to meet tenant needs whenever we can. The building is heat and cooled 24/7. There is also 24 hour access. Many suites have private entrances, street access, and street exposure.
- Restaurant
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Westlake Business Park | Seattle, WA 98109
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