Seattle Condo Authority Network · South Lake Union
Boutique condominium building on South Lake Union, Seattle. 135 units built in 2009 with an intimate community feel and walkable South Lake Union location.
Building Profile
| Building Name | Enso |
| Neighborhood | South Lake Union, Seattle, WA |
| Address | 820 Blanchard St, Seattle, WA 98121 | Year Built | 2009 |
| Total Units | 135 |
| Stories | Data to be verified |
| HOA Fee Range | $450–$750/month |
| Rental Policy | Rental Cap |
| Pet Policy | Pets Allowed |
| Amenities | Fitness center, resident lounge, rooftop deck, concierge services, bike storage |
| Parking | Data to be verified |
Built in 2009, Enso is a boutique condominium building in South Lake Union, Seattle. With 135 units, Enso offers the community feel of a smaller building while providing proximity to the medical corridor, Capitol Hill, and Downtown Seattle.
South Lake Union is one of Seattle's most walkable and rapidly evolved neighborhoods, home to Amazon's headquarters campus, major biotech firms, and the Lake Union waterfront. Enso's SLU location appeals to tech professionals, young urban buyers, and those seeking walkable access to Downtown Seattle.
The smaller unit count at Enso means a tighter-knit owner community, but also means the HOA has fewer units contributing to the reserve fund. Buyers should review the reserve study carefully. The building has a rental cap that investors should verify before purchase.
Buyer Analysis
Enso's boutique scale and South Lake Union location create a condo profile that differs fundamentally from the neighborhood's larger towers. Jeff Reynolds's assessment identifies the building's community advantages, its HOA cautions, and the questions buyers should resolve.
135 units is intimate enough for residents to know their neighbors. Smaller buildings often develop stronger community cultures, more engaged HOA boards, and faster decision-making than 400+ unit towers.
Enso delivered in 2009 before Amazon's SLU expansion transformed the neighborhood into a global tech campus. Early SLU addresses are now established—buyers get SLU access at pre-Amazon vintage pricing.
$450–$750/month is among the most cost-efficient fee ranges for a full-amenity SLU building. Lower carrying costs expand the buyer pool and support resale liquidity.
Steps from Amazon's South Lake Union headquarters campus. The consistently high concentration of tech professionals in SLU creates stable, demand-resilient buyer and renter pools.
Enso operates under a rental cap. Buyers who anticipate any rental use should confirm current cap availability before writing an offer; waitlists can be long.
15+ years of operation means Enso is entering major capital cycles. Review the reserve study for elevator, roofing, and mechanical project timelines before committing.
Request the most recent reserve study. Is the HOA percent-funded on target and are there any large capital projects planned in the next 5 years?
With 135 units, what is the mix of studios, 1-beds, and 2-beds? Understanding the floor plan mix helps predict your future resale buyer pool.
What is the current rental percentage at Enso and how long is the typical waitlist for rental approval?
Advisory
Enso draws a buyer type that has usually considered larger SLU towers and made a deliberate choice to live somewhere smaller. That choice reflects a specific set of priorities.
135 units is intimate enough that neighbors know each other, HOA boards are engaged, and building decisions happen quickly. Buyers who have lived in 400-unit towers and found them impersonal often choose Enso as a direct reaction to that experience. The scale is the point.
Enso is steps from Amazon's headquarters campus. The combination of boutique scale, SLU location, and cost-efficient HOA fees ($450–$750/month) positions it as one of the most accessible ownership options for tech professionals who want to live within walking distance of their office.
Enso's 2009 delivery means its resident community often includes people who chose SLU before the neighborhood's transformation. That early-adopter character has produced a resident culture that is unusually engaged and community-oriented relative to newer buildings.
SLU's newer towers come with HOA fees well above Enso's range. Buyers who want a South Lake Union address, a walkable urban lifestyle, and a building with genuine amenities—but who are disciplined about carrying costs—often find Enso's cost-to-location ratio the most defensible in the submarket.
Market Data
Enso is a 135-unit boutique building in South Lake Union completed in 2009. Its limited size means annual resale transactions are few, but pricing reflects consistent demand from buyers who specifically prefer SLU's smaller buildings.
Entry-level residences in one of South Lake Union's most intimate buildings. Enso's $450–$750/month HOA range is among the submarket's most cost-efficient, which sustains demand at this price tier.
Two-bedroom residences reflect Enso's boutique positioning in SLU. Floor level and view orientation within the building's 12-story structure drive the spread within this range.
Enso's highest-floor and corner residences offer the best views available in the building. Limited supply of these units—and the boutique building's appeal to community-oriented buyers—supports premium pricing.
Enso's small unit count means comparable sales can be thin in any given year. Buyers and their appraisers typically draw on a broader SLU comparable pool when evaluating individual units. The building's consistent HOA management and cost-efficient fee structure have sustained steady demand from buyers who prioritize community scale over amenity breadth. Enso's 2009 vintage has tracked well with SLU's overall appreciation since the Amazon era began. Contact Jeff Reynolds for current Enso listings and recent sales data.
Knowledge Base
Before buying any Seattle condo, these guides answer the questions every buyer should resolve about HOA finances, financing eligibility, and closing requirements.
What condo HOA fees cover, how they're calculated, and what to look for in a building's fee structure.
How reserve funds work, what percent-funded means, and why the reserve study matters before you buy.
How rental caps, owner-occupancy ratios, and HOA delinquency rates affect your loan eligibility.
What the resale certificate contains, why it matters, and the key red flags buyers should watch for.
Explore More
Other condos in South Lake Union at a similar price tier, with links to full building profiles, buyer analysis, and current market data.
See all buildings: Browse all South Lake Union condo buildings →
Frequently Asked Questions
Enso is located in South Lake Union, Seattle. The neighborhood sits between Belltown, Capitol Hill, and Downtown, with immediate access to Amazon's headquarters campus, the Lake Union waterfront, and excellent transit connections to Capitol Hill and Downtown.
Enso has 135 units, making it a boutique building by Seattle standards. The smaller size creates a more intimate owner community but also means fewer units sharing HOA costs. Contact Jeff Reynolds for current availability and sale comparables at Enso.
Enso was built in 2009, placing it in Seattle's early modern condo construction era. At roughly 15 years old, the building's systems are established and HOA reserves have had time to accumulate. The 2009 vintage means Enso was built during Seattle's first major high-rise condo cycle.
HOA fees at Enso range from approximately $450 to $750 per month. As a smaller building, the per-unit cost covers full building operations and reserves divided across fewer owners. Contact Jeff Reynolds for the current reserve study, special assessment history, and fee schedules.
Yes, Enso has a rental cap that limits the percentage of units that can be rented at any one time. Investors should verify current cap availability with the HOA before purchasing. The rental cap can also have implications for FHA and conventional financing eligibility at the building level.
Your South Lake Union Condo Specialist
I track HOA financials, reserve fund health, special assessment history, rental cap status, and resale velocity for every building in the Seattle Condo Authority Network database, including Enso.
If you’re researching Enso specifically, reach out directly and I’ll pull the most current verified data, including active listings and recent sale comparables in the building.
As a Compass Real Estate agent, I also have access to coming-soon and off-market listings that don’t appear on Zillow or Redfin.
Tell me what you’re looking for and I’ll follow up with verified building data and current listings.
Seattle Condo Authority Network