The Watermark At Napa Valley

How does The Watermark At Napa Valley compare with other senior living community buildings in California?

The latest disclosures cover 542 senior living community buildings in California, out of 40,029 buildings citywide. The Watermark At Napa Valley's ENERGY STAR score of 82 compares with an average of 81 across the 517 that report a score; it scores higher than 34% of them and lower than 65%. Its site EUI of 37.4 kBtu/ft² is about 28% below the average of 51.6 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 2.3 kgCO₂e/ft² is about 28% below the group average of 3.2 kgCO₂e/ft².

At 198,000 sq ft, it is about 90% above the average floor area of 104,319 sq ft for those buildings. It was built in 2020, 22 years later than the group's average year built (1998). Across all 24 jurisdictions BuildingCensus covers, the 1,181 senior living community buildings average an ENERGY STAR score of 71 and a site EUI of 73.6 kBtu/ft².

How has The Watermark At Napa Valley's energy performance changed over time?

BuildingCensus holds 2 California disclosures for The Watermark At Napa Valley, covering report years 2023–2024. Its ENERGY STAR score went from 85 in 2023 to 82 in 2024 (-3 points); its best year on file was 2023, at 85. Site EUI moved from 36.7 kBtu/ft² (2023) to 37.4 kBtu/ft² (2024), an 2% increase. Reported emissions went from 459 tCO₂e to 455 tCO₂e over the same span (down 1%).

What does an ENERGY STAR score of 82 mean?

ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 82 means the building performs better than about 82% of its national peers. BuildingCensus bands the score into report-card grades; 82 falls in band B — above median (70–84). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. In California, 65% of scored buildings are at 75 or above.

Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. The Watermark At Napa Valley's 37.4 kBtu/ft² across 198,000 sq ft works out to about 7.4 billion Btu (2,170 MWh-equivalent) in 2024. The disclosure also reports 1,404,638 kWh of electricity and 25,868 therms of natural gas for the year.

Which law requires The Watermark At Napa Valley to report its energy use?

The Watermark At Napa Valley reports under AB 802 (Public Resources Code §25402.10), the legal basis of California's Building Energy Benchmarking Program (statewide), which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record california:31959875:2024). AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.