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Ascent South Lake Union Seattle Wa 1 of 12

Ascent South Lake Union

$2,961 – $5,039/mo

1145 Republican St, Seattle, WA, 98109

What floor plans are available at Ascent South Lake Union?

Ascent South Lake Union currently lists 9 floor plans across 13 available units, from one-bedroom to two-bedroom, starting at $2,961/mo. 9 one-bedrooms from $2,961 to $3,490/mo (669–776 sq ft), earliest move-in May 13. 4 two-bedrooms from $4,289 to $5,039/mo (1,067–1,177 sq ft), earliest move-in Jul 21. Prices checked September 24, 2026.

B09

Starting at $2,961

1 Bedroom • 1 Bath • 776 Sq Ft

1 available unitPriceSq ftAvailableOpen unit
318$2,961776Jul 29

B01 Type A

Starting at $2,990

1 Bedroom • 1 Bath • 765 Sq Ft

1 available unitPriceSq ftAvailableOpen unit
208$2,990765Aug 12

B01

Starting at $3,090

1 Bedroom • 1 Bath • 765 Sq Ft

1 available unitPriceSq ftAvailableOpen unit
408$3,090765Oct 9

B13

Starting at $3,138

1 Bedroom • 1 Bath • 669 Sq Ft

2 available unitsPriceSq ftAvailableOpen unit
1708$3,168669May 13
1408$3,138669Aug 12

B12

Starting at $3,138

1 Bedroom • 1 Bath • 691 Sq Ft

2 available unitsPriceSq ftAvailableOpen unit
1805$3,308691Sep 3
1105$3,138691Sep 22

B14

Starting at $3,480

1 Bedroom • 1 Bath • 725 Sq Ft

2 available unitsPriceSq ftAvailableOpen unit
1510$3,490725Jun 10
1410$3,480725Jul 18

C05

Starting at $4,289

2 Bedrooms • 2 Baths • 1,067 Sq Ft

2 available unitsPriceSq ftAvailableOpen unit
2206$5,0391,067Sep 23
706$4,2891,067Oct 16

C07 Type A

Starting at $4,569

2 Bedrooms • 2 Baths • 1,070 Sq Ft

1 available unitPriceSq ftAvailableOpen unit
1409$4,5691,070Sep 22

C02

Starting at $4,592

2 Bedrooms • 2 Baths • 1,177 Sq Ft

1 available unitPriceSq ftAvailableOpen unit
612$4,5921,177Jul 21

What are the fees and lease terms at Ascent South Lake Union?

Rent at Ascent South Lake Union is $2,961 – $5,039 per month. Monthly fees include Common Area/Clubhouse Rental, Package Services, and Parking - Garage. Due at signing: Application Fee ($45), Holding Deposit (Refundable) ($600), and Pet Deposit (Refundable) ($400). The earliest listed move-in is May 13. Prices checked September 24, 2026.

  • Rent

    $2,961 – $5,039/mo
  • Earliest move-in

    May 13

Monthly fees

Common Area/Clubhouse Rental

$250/mo

Package Services

$11/mo

Parking - Garage

$300/mo

Pet/Animal - Lease Violation

$392.52/mo

Pet Management - Third Party

$59.95/mo

Pet Rent

$50/mo

Storage Space Rental

$15/mo

Utility - Billing Administrative Fee

$5/mo

Due at signing

Application Fee

$45

Holding Deposit (Refundable)

$600

Pet Deposit (Refundable)

$400

Security Deposit (Refundable)

$600

Utility - Vacant Processing Fee

$50

What amenities does Ascent South Lake Union have?

Ascent South Lake Union lists 18 amenities, including a gym, pet-friendly spaces, and parking.

  • 2,600 Sq Ft Fitness Center

  • Air Conditioning

  • Business Center & Conference Room

  • Dishwasher

  • Dog Run & Pet Wash

  • Fitness Center

  • Garage Parking

  • Indoor Bike Storage

  • Open-Air Rooftop Deck

  • Outdoor Fitness Area

  • Package Reception

  • Patio/Balcony

  • Pet Friendly

  • Rooftop Lounge W/Horizon Views

  • Rooftop Spa & Outdoor Grills

  • Smoke Free

  • Walk-In Closets

  • Washer/Dryer


What do the amenities at Ascent South Lake Union look like?

  • Gym
    4 photos
  • Roof deck
    5 photos
  • Grill area
  • Lobby
    2 photos

Where is Ascent South Lake Union?

Ascent South Lake Union is at 1145 Republican St, Seattle, WA, 98109.

1145 Republican St, Seattle, WA, 98109


What is the neighborhood around Ascent South Lake Union like?

Ascent South Lake Union is in the South Lake Union neighborhood of Seattle. From Ascent South Lake Union, the nearest transit stop is Terry & Mercer (4-minute walk) and the nearest park is Cascade Playground (6-minute walk).

  • Nearest transit stop

    Terry & Mercer · 4-minute walk
  • Nearest park

    Cascade Playground · 6-minute walk

Residents give Ascent South Lake Union a B grade (about 4.2 out of 5) from 100+ reviews. Ascent SLU delivers a strong overall resident experience, with consistently praised staff responsiveness, modern amenities, and a well-maintained building in a prime location. Maintenance and leasing teams are frequently highlighted for quick service and genuine care, though some residents report occasional delays in work order resolution and isolated issues with move-out billing and deposit refunds.

4.20 · 100+ reviews
Overall rating
Positive
Mixed
Neutral
Negative
Management4.6
Maintenance4.6
Amenities and Shared Spaces4.8
Building Quality4.6
Location4.9

Ascent SLU delivers a strong overall resident experience, with consistently praised staff responsiveness, modern amenities, and a well-maintained building in a prime location. Maintenance and leasing teams are frequently highlighted for quick service and genuine care, though some residents report occasional delays in work order resolution and isolated issues with move-out billing and deposit refunds. The property's standout features—rooftop views, soundproofing, and amenities—are widely appreciated, though pricing and some unit design limitations are noted concerns.

Management and leasing staff are consistently praised for responsiveness, professionalism, and genuine care for residents, with maintenance teams typically addressing requests same-day or within hours. However, billing and move-out account issues present a significant concern, with multiple residents reporting unresolved refunds, incorrect charges, and delayed communication from corporate accounting that has persisted for weeks. While on-site staff are described as helpful and kind, backend billing processes and corporate responsiveness appear disconnected from the positive front-line experience.

Maintenance response times are generally quick, with most work orders addressed same-day or within a few days, and staff are consistently described as responsive, professional, and helpful. However, some residents report occasional delays in resolving complex issues like HVAC repairs and instances where work orders were marked complete without actual repairs being completed. Pre-move-in unit conditions and staffing constraints have been noted as contributing factors to maintenance challenges.

Residents consistently praise the building's amenities, particularly the rooftop with 360° views, well-equipped gym, pool, and hot tub. Staff responsiveness and friendliness are frequently highlighted, though some residents report delays in maintenance work orders and occasional issues with common-area upkeep like overflowing trash and locked garbage chutes. Parking is noted as safe and convenient, though garage spots are small, and package delivery has been inconsistent.

The building is well-maintained with strong noise insulation, modern finishes, and responsive maintenance service. Most residents praise the clean common areas, quality appliances, and functional elevators. However, a small number of residents reported appliance defects (AC, refrigerator, outlets) that persisted after move-in, and occasional issues with trash and recycling chute maintenance.

The property benefits from an excellent urban location with convenient walkability to restaurants, grocery stores, Lake Union, and nearby tech offices. Residents consistently praise proximity to transit, parks, and entertainment venues, with particular appreciation for rooftop views of the city and fireworks. Parking is secure and accessible via underground garage, though spot sizes are noted as compact. The location successfully balances urban convenience with a quiet residential atmosphere.


Is Ascent South Lake Union walkable?

Ascent South Lake Union is very walkable (grade A), transit is excellent (grade B+), and biking is very bikeable (grade B).

WALK

Very Walkable

TRANSIT

Excellent Transit

BIKE

Very Bikeable


What is Ascent South Lake Union like?

Ascent South Lake Union is a new collection of contemporary high-rise city homes inspired by the merging of modernity and nature. Our community offers residents access to an enviable amenity collection, highlighted by a rooftop lounge and open-air deck.

Ascent South Lake Union is a new collection of contemporary high-rise city homes inspired by the merging of modernity and nature. Our community offers residents access to an enviable amenity collection, highlighted by a rooftop lounge and open-air deck. FLEXIBLE TOUR OPTIONS NOW AVAILABLE! We are now accepting virtual tours, and self-guided and touchless tours by appointment only. Please book yours today.


How big is Ascent South Lake Union?

Ascent South Lake Union is a 251-unit high-rise.

  • Building

    Apartment · High-Rise
  • Total units

    251

What schools are near Ascent South Lake Union?

Hutch School is 0.1 miles from Ascent South Lake Union. 10 schools are listed nearby.

SchoolTypeLevelDistance

Hutch School

Public · High
PublicHigh0.1 mi

Bright Horizons Child Care Center-S Lk Union

Private · Preschool
PrivatePreschool0.2 mi

Lake Union Child Care Center

Private · Preschool
PrivatePreschool0.2 mi

Cascade Children's Corner

Private · Preschool
PrivatePreschool0.2 mi

Rainier Beach Community Child Care Center

Private · Preschool
PrivatePreschool0.5 mi

Queen Anne Community School

Private · Elementary
PrivateElementary0.6 mi

Queen Anne Community School

Private · Elementary
PrivateElementary0.6 mi

Queen Anne Co Op Pre-School

Private · Preschool
PrivatePreschool0.7 mi

Whole Child Learning Center

Private · Preschool
PrivatePreschool0.7 mi

The Center School

Public · High
PublicHigh0.9 mi

How do I contact Ascent South Lake Union?

Ascent South Lake Union is managed by Greystar. Call 206-682-6200 to tour or ask about availability.