BuildingCensus
A

Ygnacio Center I

Office in California, CA · 1990 North California Boulevard, Walnut Creek · 94596

ENERGY STAR score
97
band A · 2023
Site EUI
36.7
kBtu/ft²
GHG emissions
364
tCO₂e
GHG intensity
2.4
kgCO₂e/ft²
Floor area
153,860
sq ft
Year built
1971
vintage
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85–10070–8455–691–54
This entry + 6 nearby

AB 802 (Public Resources Code §25402.10) · reporting year 2023

Benchmarking record

FieldValue
ENERGY STAR score97 (band A)
Site EUI36.7 kBtu/ft²
Source EUI
GHG emissions364 tCO₂e
GHG intensity2.4 kgCO₂e/ft²
Electricity857,169 kWh
Natural gas32,041 therms
Gross floor area153,860 sq ft
Source recordcalifornia:2322344:2023

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2023latest97+836.7 kBtu/ft²364 tCO₂e
20188951.8 kBtu/ft²599 tCO₂e

Compliance context

AB 802 (Public Resources Code §25402.10)

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.

Program details →

Ownership

No owner listed in the disclosure.

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Location

Address
1990 North California Boulevard, Walnut Creek
State
California
ZIP
94596
Coordinates
37.90659, -122.06594

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

Frequently asked questions

What is Ygnacio Center I's energy grade?

Ygnacio Center I scores 97 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2023 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Ygnacio Center I use?

Its 2023 site energy-use intensity was 36.7 kBtu/ft² across 153,860 sq ft, including 857,169 kWh of electricity and 32,041 therms of natural gas.

What are Ygnacio Center I's carbon emissions?

Ygnacio Center I reported 364 tCO₂e of greenhouse-gas emissions (2.4 kgCO₂e/ft²) for 2023. 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.

Dataset updated . Source: Building Energy Benchmarking Program (statewide) disclosure, record california:2322344:2023.