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Ascent South Lake Union – Lobby

Ascent South Lake Union

$2,638 – $5,145/mo

  • 1–2 bedrooms
  • 1–2 baths
  • 669–1,177 sq ft
  • 16 units available
  • Pet friendly
1145 Republican St, Seattle, WA, 98109

As of November 2, 2026, Ascent South Lake Union in Seattle, WA has 16 apartments for rent from $2,638 to $5,145/mo. One-bedrooms start at $2,638 and two-bedrooms at $4,380. The average asking rent has risen 6% since March 25, 2026, from $3,631 to $3,849.


Floor plans

Ascent South Lake Union has 16 units available across 10 floor plans: 5 one-bedroom layouts (669–765 sq ft) and 5 two-bedroom layouts (1,046–1,177 sq ft). Prices checked November 2, 2026.

B11

1 Bedroom • 1 Bath • 699 Sq Ft

Starting at $2,638/mo

1 available unitPriceSq ftAvailableOpen unit
621$2,638699Nov 1

B01 Type A

1 Bedroom • 1 Bath • 765 Sq Ft

Starting at $2,847/mo

1 available unitPriceSq ftAvailableOpen unit
208$2,847765Aug 12

B01

1 Bedroom • 1 Bath • 765 Sq Ft

Starting at $2,947/mo

1 available unitPriceSq ftAvailableOpen unit
408$2,947765Oct 13

B13

1 Bedroom • 1 Bath • 669 Sq Ft

Starting at $3,048/mo

3 available unitsPriceSq ftAvailableOpen unit
1708$3,078669May 13
1408$3,048669Aug 12
2208$3,078669Nov 7

B14

1 Bedroom • 1 Bath • 725 Sq Ft

Starting at $3,287/mo

3 available unitsPriceSq ftAvailableOpen unit
1510$3,297725Jun 10
1410$3,287725Jul 18
1710$3,317725Oct 31

C05

2 Bedrooms • 2 Baths • 1,067 Sq Ft

Starting at $4,380/mo

2 available unitsPriceSq ftAvailableOpen unit
706$4,3801,067Oct 28
2006$5,0101,067Dec 7

C07 Type A

2 Bedrooms • 2 Baths • 1,070 Sq Ft

Starting at $4,610/mo

1 available unitPriceSq ftAvailableOpen unit
1409$4,6101,070Sep 22

C02

2 Bedrooms • 2 Baths • 1,177 Sq Ft

Starting at $4,683/mo

1 available unitPriceSq ftAvailableOpen unit
612$4,6831,177Jul 21

C08

2 Bedrooms • 2 Baths • 1,165 Sq Ft

Starting at $4,691/mo

2 available unitsPriceSq ftAvailableOpen unit
2111$4,7611,165Nov 15
1411$4,6911,165Nov 22

C06

2 Bedrooms • 2 Baths • 1,046 Sq Ft

Starting at $5,145/mo

1 available unitPriceSq ftAvailableOpen unit
2207$5,1451,046Dec 3

See all 68 units listed at Ascent South Lake Union, including ones no longer available.


Cost to rent here

At Ascent South Lake Union, a one-bedroom starts at about $3,283 a month all-in: $2,638 rent, $381 in listed fees, and an estimated $264 for electric, gas, water, internet, and renters insurance. A two-bedroom starts at about $5,110.

All-in from$3,283/mo

Estimates are local averages, not quotes from the property.

Can you afford it?

Most landlords ask for a monthly income of about 3× the rent, so qualifying at Ascent South Lake Union takes about $94,968 a year for a one-bedroom and $157,680 for a two-bedroom. Keeping the $3,283 all-in month for a one-bedroom within 35% of take-home pay takes an income of about $148,200 a year.

Total monthly housing cost

$3,283/mo

Income to afford it comfortably

$148,200/yr

Income to qualify

$94,968/yr

Your estimated budget

Suggested rent budget, 1 bedroom

$ —/mo

See what you can afford here

Add your income and debts for a rent budget at this building.

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Rent history

Over the past year, the average asking rent at Ascent South Lake Union has ranged from $3,425 to $4,323. The current average is $3,849, up $219 (6%) from $3,631 at the start.

Prices reflect the average advertised rent across units listed as available each day (184 days observed).

Fees & lease terms

The listing for Ascent South Lake Union shows $381 a month in fees (parking garage $300, pet rent $50, storage space rental $15, and 2 more) and $1,719.95 due at signing (holding deposit $600, security deposit $600, pet deposit $400, and 3 more).

  • Rent

    $2,638 – $5,145/mo
  • Earliest move-in

    May 13

Monthly fees

Package Services

$11/mo

Parking - Garage

$300/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

Pet Management - Third Party

$59.95

Security Deposit (Refundable)

$600

Utility - Final Bill Fee

$15

Amenities

Ascent South Lake Union is pet friendly and has garage or covered parking and in-unit washers and dryers. It lists 27 amenities, including 2,600 sq ft fitness center, open-air rooftop deck, and patio/balcony.

  • 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

  • Built-In Closet Systems

  • Carrera-Look Quartz Countertops

  • Large Windows

  • Nest Thermostats

  • Open Concept Layouts

  • Stainless Steel Appliances

  • Subway Tile Backsplash

  • Views Of Space Needle & Downtown*

  • Wood-Style Flooring


Amenity photos

  • Gym
  • Grill area
  • Work space
  • Lobby

Location

1145 Republican St, Seattle, WA, 98109


Resident reviews

Ascent South Lake Union has a 4.2 out of 5 rating from more than 100 resident reviews. Residents rate location (4.9) and amenities and shared spaces (4.6) highest and management (4.4) lowest.

4.2 · 100+ reviews
Overall rating
Positive
Mixed
Neutral
Negative
Management4.4
Maintenance4.6
Amenities and Shared Spaces4.6
Building Quality4.6
Location4.9
Overall100 reviews

Ascent South Lake Union earns strong overall satisfaction from most residents, with particular praise for responsive maintenance service, attentive staff, and premium amenities including a rooftop with lake views. However, some residents report challenges with move-out billing delays, occasional maintenance response times, and pre-move-in unit condition issues. The leasing and concierge teams are consistently highlighted as welcoming and helpful, though a small number of prospective residents experienced scheduling difficulties during tours.

Management and maintenance staff are consistently praised for responsiveness, professionalism, and genuine care for residents, with most positive reviews highlighting quick service and helpful communication. However, billing and move-out processes present significant challenges, with multiple residents reporting unresolved refund issues, incorrect charges, and poor coordination with corporate accounting. Leasing office experiences are mixed, with some prospective residents reporting scheduling delays and lack of communication, while current residents generally report smooth move-in processes. Day-to-day operational responsiveness is strong, but backend administrative processes require improvement.

Maintenance response times are generally quick, with most requests addressed within 24 hours, though some residents report delays of several days to weeks. The maintenance team is consistently described as responsive, professional, and knowledgeable, with strong follow-through on repairs including HVAC, appliances, and plumbing issues. A small number of residents experienced incomplete repairs or work orders marked complete without resolution, and one resident reported extended delays on AC repair during summer months.

Residents consistently praise the building's amenities, particularly the rooftop with 360° views, well-equipped gym, pool, and modern finishes. Staff responsiveness and friendliness are frequently highlighted as strengths. However, maintenance responsiveness and common-area upkeep present recurring concerns, including delayed work orders, extended closure periods for amenities, and occasional issues with shared spaces like trash overflow and locked chutes. Parking and package delivery systems have received mixed feedback.

The building is well-maintained with modern finishes, solid appliances, and strong noise insulation between units and common areas. Maintenance and leasing staff are consistently responsive and professional. Most residents report positive experiences, though a small number have encountered appliance issues and occasional cleanliness gaps in common areas like parking garage trash management.

The property's location is a major strength, offering walkability to restaurants, grocery stores, Lake Union, and nearby tech offices with excellent public transit access. Residents consistently praise the proximity to amenities and the quiet, safe neighborhood feel. Parking is secure with underground garage access, though spots are noted as compact. The location provides exceptional views of the city, Lake Union, and fireworks vantage points.

Summaries are written by AI from reviews residents posted on public review sites. Each topic shows how many of those reviews discuss it.

Getting around

Ascent South Lake Union is very walkable and very bikeable, and transit is excellent.

Walking
Very walkable
Grade A+
Transit
Excellent
Grade B+
Biking
Very bikeable
Grade B

About this property

Ascent South Lake Union is a 251-unit building in Seattle, WA.

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.

  • Building

    Apartment · High-Rise
  • Total units

    251

Nearby schools

The closest school to Ascent South Lake Union is Hutch School, a public high school less than 0.1 miles away.

SchoolTypeLevelDistance

Hutch School

Public · High
PublicHigh0.1 mi

Bright Horizons Child Care Center-S Lk Union

Private · Preschool
PrivatePreschool0.2 mi

Cascade Children's Corner

Private · Preschool
PrivatePreschool0.2 mi

Lake Union Child Care Center

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

Contact & management

Ascent South Lake Union is managed by Greystar. The leasing office's phone number is 206-682-6200.


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