BuildingCensus
–

Collins Business Park

Other in California, CA · 3878 Ruffin Road, San Diego · 92123

At a glance

Collins Business Park is a 119,345-square-foot other building at 3878 Ruffin Road, San Diego in San Diego, California, built in 1980. In its 2019 California benchmarking disclosure it reported a site energy-use intensity of 40.7 kBtu/ft² and 329 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2019
Site EUI
40.7
kBtu/ft²
GHG emissions
329
tCO₂e
GHG intensity
2.8
kgCO₂e/ft²
Floor area
119,345
sq ft
Year built
1980
vintage
◆ Loading map…
85–10070–8455–691–54
This entry + 6 nearby

AB 802 (Public Resources Code §25402.10) · reporting year 2019

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI40.7 kBtu/ft²
Source EUI—
GHG emissions329 tCO₂e
GHG intensity2.8 kgCO₂e/ft²
Electricity1,224,303 kWh
Natural gas6,602 therms
Gross floor area119,345 sq ft
Source recordcalifornia:9997841:2019

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 owning organisation shown. Names of private individuals in the disclosure are not published here.

Own or manage this building? Claim it to correct the record and get compliance alerts.

Location

Address
3878 Ruffin Road, San Diego
State
California
ZIP
92123
Coordinates
32.81309, -117.12072

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

How does Collins Business Park compare with other other buildings in California?

The latest disclosures cover 773 other buildings in California, out of 40,029 buildings citywide. Its site EUI of 40.7 kBtu/ft² is about 30% below the average of 58.3 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 2.8 kgCO₂e/ft² is about 20% below the group average of 3.5 kgCO₂e/ft².

At 119,345 sq ft, it is about 77% below the average floor area of 511,890 sq ft for those buildings. It was built in 1980, 7 years later than the group's average year built (1973). Across all 24 jurisdictions BuildingCensus covers, the 1,327 other buildings average an ENERGY STAR score of 60 and a site EUI of 63.3 kBtu/ft².

What does a site EUI of 40.7 kBtu/ft² mean?

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. Collins Business Park's 40.7 kBtu/ft² across 119,345 sq ft works out to about 4.9 billion Btu (1,424 MWh-equivalent) in 2019. The disclosure also reports 1,224,303 kWh of electricity and 6,602 therms of natural gas for the year.

Which law requires Collins Business Park to report its energy use?

Collins Business Park 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 2019 disclosure (source record california:9997841:2019). 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.

More other buildings in California

Frequently asked questions

What is Collins Business Park's energy grade?

Collins Business Park did not report an ENERGY STAR score in its 2019 disclosure, but its site energy-use intensity was 40.7 kBtu/ft².

How much energy does Collins Business Park use?

Its 2019 site energy-use intensity was 40.7 kBtu/ft² across 119,345 sq ft, including 1,224,303 kWh of electricity and 6,602 therms of natural gas.

What are Collins Business Park's carbon emissions?

Collins Business Park reported 329 tCO₂e of greenhouse-gas emissions (2.8 kgCO₂e/ft²) for 2019.

Where is Collins Business Park?

Collins Business Park is at 3878 Ruffin Road, San Diego, in San Diego, California 92123. Its coordinates are 32.81309, -117.12072 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.

How big is Collins Business Park and when was it built?

Collins Business Park has 119,345 sq ft of gross floor area, as reported in its 2019 disclosure. The disclosure lists 1980 as its year built. It is classed as other.

Is Collins Business Park covered by AB 802 (Public Resources Code §25402.10)?

Yes — it appears in the 2019 Building Energy Benchmarking Program (statewide) disclosure, which lists the buildings reporting under AB 802 (Public Resources Code §25402.10).

Working with California building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

About this data

Source: Building Energy Benchmarking Program (statewide) (AB 802 (Public Resources Code §25402.10)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “Collins Business Park, San Diego, California — 2019 benchmarking disclosure”, https://buildingcensus.com/buildings/california/collins-business-park-56375a6d (data as of July 9, 2026).