Building on Seattle Skyline
Sky Lounge
Lobby Chandelier
Boardroom Chandelier
Side Entrance

Fifteen Twenty-One Condominiums

Fifteen Twenty-One Second Avenue is the luxury condominium product of a team with a mission to develop the region’s finest high-rise residential community. Located high above Pike Place Market in downtown Seattle, the 38 story building, completed in 2009, received LEED-Gold certification for its sustainability features. Less than 4 years after construction, 2020 LED partnered with Seattle City Light and the Seattle 2030 District to deliver common area LED lighting retrofit solutions that significantly reduced energy and maintenance costs.


Energy Reduction77%
Payback Period0.53 Years
ROI - 5 Years3399%


CustomerFifteen Twenty-One Home Owner's Association
Customer goalsReduced electric bills and maintenance costs
Market TypeCondominium multi-family
Project TypeRetrofit
Building / Project NameFifteen Twenty-One Condominiums
Phase 1 Lighting Retrofit
Project PhaseCommon areas: lobby, corridors, meeting rooms and exterior vehicle drive through
Project LocationSeattle, WA
Product TypeLED commercial fixtures, lamps, and wireless controls
LED FixturesSamjin Greenuri Arch Way pendants
LED LampsGreen Creative, Philips, Toshiba
ControlsLutron Energy TriPak series
Year Complete2013
Utility ProviderSeattle City Light
Utility Rebate59%
Other Energy Efficiency Incentives (Rebate)2030 District Seattle - Community Power Works (31%)
Total Rebates90%