BuildingCensus
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Square One Office Plaza- Ruffner

Office in San Diego, CA · 4542 Ruffner Street

At a glance

Square One Office Plaza- Ruffner is a 55,690-square-foot office building at 4542 Ruffner Street in San Diego, California, built in 1983. It is listed in the 2022 Building Energy Benchmarking disclosure without energy figures: no ENERGY STAR score, energy use or emissions were published for it that year.

No energy data reported for 2022

Square One Office Plaza- Ruffner appears in the 2022 Building Energy Benchmarking disclosure, but no ENERGY STAR score, energy use or emissions were published for it — the building did not report benchmarking data for that year.

Floor area on file: 55,690 sq ft · Built 1983

Source record san_diego:100224:2022

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85–10070–8455–691–54
This entry + 6 nearby

Compliance context

Building Energy Benchmarking Ordinance (SDMC Ch. 14 Art. 12)

San Diego's ordinance requires annual benchmarking for commercial buildings over 50,000 sq ft, with civil penalties for buildings that fail to report.

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Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

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Location

Address
4542 Ruffner Street
State
California
Coordinates
32.82310, -117.15768

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in San Diego · biggest emitters

How has Square One Office Plaza- Ruffner's energy performance changed over time?

BuildingCensus holds 2 San Diego disclosures for Square One Office Plaza- Ruffner, covering report years 2021–2022. None of those years carry an ENERGY STAR score or site EUI.

Which law requires Square One Office Plaza- Ruffner to report its energy use?

Square One Office Plaza- Ruffner reports under the Building Energy Benchmarking Ordinance (SDMC Ch. 14 Art. 12), the legal basis of San Diego's Building Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2022 disclosure (source record san_diego:100224:2022). San Diego's ordinance requires annual benchmarking for commercial buildings over 50,000 sq ft, with civil penalties for buildings that fail to report.

More office buildings in San Diego

Frequently asked questions

What is Square One Office Plaza- Ruffner's energy grade?

Square One Office Plaza- Ruffner has no grade: it did not report energy data for 2022. The 2022 Building Energy Benchmarking disclosure lists the building but publishes no ENERGY STAR score, energy use or emissions for it.

Where is Square One Office Plaza- Ruffner?

Square One Office Plaza- Ruffner is at 4542 Ruffner Street, in San Diego, California. Its coordinates are 32.82310, -117.15768 (latitude, longitude), as published in the Building Energy Benchmarking file.

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About this data

Source: Building Energy Benchmarking (Building Energy Benchmarking Ordinance (SDMC Ch. 14 Art. 12)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “Square One Office Plaza- Ruffner, San Diego, California — 2022 benchmarking disclosure”, https://buildingcensus.com/buildings/san-diego/square-one-office-plaza-ruffner-2eafe742 (data as of July 9, 2026).