BuildingCensus

Senior Living Community buildings in Seattle

48 senior living community buildings benchmarked under Seattle Energy Benchmarking Ordinance (SMC 22.920), graded by ENERGY STAR score.

At a glance

48 senior living community buildings in Seattle disclose their energy use under the Seattle Energy Benchmarking Ordinance (SMC 22.920), 1% of the city's 3,871 benchmarked buildings and its 10th-largest property type. They average an ENERGY STAR score of 72 (median 78) and a site EUI of 66.7 kBtu/ft². The top scorer is Aegis Living Laurelhurst, at 100.

Buildings
48
Avg score
72
Avg site EUI
66.7
kBtu/ft²
Floor area
6.5M ft²
combined

Top of the class

Most efficient

BuildingScoreSite EUIFloor area
Aegis Living LaurelhurstA10033.5 kBtu/ft²136,505 sq ft
Ida Culver - RavennaA10016.2 kBtu/ft²99,941 sq ft
Norse HomeA10041.7 kBtu/ft²83,008 sq ft
WASHINGTON CARE CENTERA10052.7 kBtu/ft²58,665 sq ft
Murano Senior LivingA9845.8 kBtu/ft²353,300 sq ft
Aegis West SeattleA9837.3 kBtu/ft²78,232 sq ft
Mirabella Retirement CommunityA9761.8 kBtu/ft²724,148 sq ft
Queen Anne At Rodgers ParkA9729.5 kBtu/ft²139,061 sq ft
Fred Lind ManorA9752.2 kBtu/ft²63,998 sq ft
Aegis Living In RavennaA9540.9 kBtu/ft²71,461 sq ft
Aegis Living At GalerA9557.2 kBtu/ft²47,612 sq ft
Aegis Of BallardA9432.4 kBtu/ft²92,652 sq ft
Aljoya Thornton PlaceA9339.6 kBtu/ft²244,500 sq ft
Caroline Kline Galland HomeA93147.0 kBtu/ft²141,297 sq ft
Horizon HouseA9235.4 kBtu/ft²756,740 sq ft

Penalty exposure

Least efficient

BuildingScoreSite EUIFloor area
Park Place Assisted Living AptsD7172.9 kBtu/ft²121,635 sq ft
Merrill Gardens - Faerland TerraceD960.2 kBtu/ft²95,117 sq ft
The SummitD21111.3 kBtu/ft²207,022 sq ft
Northaven Senior LivingD2452.1 kBtu/ft²124,904 sq ft
Ballard Care & RehabD25147.7 kBtu/ft²65,636 sq ft
Skyline Olympic TowerD3546.6 kBtu/ft²188,183 sq ft
The KenneyD37117.8 kBtu/ft²203,155 sq ft
Kin On Health Care CenterD37167.2 kBtu/ft²48,882 sq ft
Providence Mt St VincentD44149.0 kBtu/ft²371,257 sq ft
Admiral HeightsD5461.3 kBtu/ft²76,699 sq ft
Merrill Gardens At BallardC5945.2 kBtu/ft²115,947 sq ft
Maple Leaf Assisted LivingC6438.6 kBtu/ft²99,941 sq ft
Quail Park Of West Seattle (Memory Care Facility)C6475.5 kBtu/ft²47,258 sq ft
Queen Anne ManorC6756.0 kBtu/ft²61,802 sq ft
The Corydon (Merrill Gardens At The University)B7248.0 kBtu/ft²260,368 sq ft

Scale

Largest

BuildingScoreSite EUIFloor area
Horizon HouseA9235.4 kBtu/ft²756,740 sq ft
Mirabella Retirement CommunityA9761.8 kBtu/ft²724,148 sq ft
Providence Mt St VincentD44149.0 kBtu/ft²371,257 sq ft
Murano Senior LivingA9845.8 kBtu/ft²353,300 sq ft
The Corydon (Merrill Gardens At The University)B7248.0 kBtu/ft²260,368 sq ft
Aljoya Thornton PlaceA9339.6 kBtu/ft²244,500 sq ft
The SummitD21111.3 kBtu/ft²207,022 sq ft
The KenneyD37117.8 kBtu/ft²203,155 sq ft
Hearthstone Retirement Home, The–——198,752 sq ft
Skyline Olympic TowerD3546.6 kBtu/ft²188,183 sq ft

How do Seattle's senior living community buildings compare with the rest of the city?

Their average ENERGY STAR score of 72 is roughly in line with the citywide average of 78. Average site EUI is 66.7 kBtu/ft², about 40% above the city's 47.6 kBtu/ft² across all property types. Emissions intensity averages 1.7 kgCO₂e/ft², about 70% above the citywide 1.0. 60% of the scored senior living community buildings reach 75 or higher, the ENERGY STAR certification threshold. Together they reported 9,479 tCO₂e in their latest years, 2% of the city's disclosed building emissions.

How do Seattle's senior living community buildings compare nationally?

Across all 24 jurisdictions BuildingCensus covers there are 1,181 senior living community buildings, averaging an ENERGY STAR score of 71 and a site EUI of 73.6 kBtu/ft². Seattle has the 4th-most senior living community buildings of the 8 jurisdictions with at least 25. By average ENERGY STAR score it ranks 3rd of 8; California leads at 81.

How big and how old are Seattle's senior living community buildings?

The average senior living community building here has 136,458 sq ft of floor area, about 21% above the citywide average of 112,467 sq ft. Together they cover 6.5 million square feet. The average year built is 1991, against 1975 for all disclosed buildings in the city. The largest is Horizon House, at 756,740 sq ft.

More on Seattle's buildings

Frequently asked questions

How efficient are Seattle's senior living community buildings?

The 48 benchmarked senior living community buildings in Seattle average an ENERGY STAR score of 72 and a site energy-use intensity of 66.7 kBtu/ft² in their latest disclosures under the Seattle Energy Benchmarking Ordinance (SMC 22.920).

Which senior living community building in Seattle has the best energy grade?

Aegis Living Laurelhurst leads with an ENERGY STAR score of 100 across 136,505 sq ft.

How many senior living community buildings in Seattle could qualify for ENERGY STAR certification?

60% of the 40 scored senior living community buildings report a score of 75 or higher, the threshold for certification eligibility; certification itself is a separate, verified application.

What is the largest senior living community building in Seattle?

Horizon House, with 756,740 sq ft of gross floor area in its latest disclosure.

About this data

Source: Building Energy Benchmarking (Seattle Energy Benchmarking Ordinance (SMC 22.920)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “Senior Living Community buildings in Seattle”, https://buildingcensus.com/buildings/seattle/type/senior-living-community (data as of October 2, 2026).