Mission Valley Self Storage
Self-Storage Facility in San Diego, CA · 4437 Twain Avenue
At a glance
Mission Valley Self Storage is a 123,533-square-foot self-storage facility at 4437 Twain Avenue in San Diego, California, built in 1985. In its 2022 San Diego benchmarking disclosure it reported a site energy-use intensity of 1.1 kBtu/ft².
Building Energy Benchmarking Ordinance (SDMC Ch. 14 Art. 12) · reporting year 2022
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 1.1 kBtu/ft² |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Gross floor area | 123,533 sq ft |
| Source record | san_diego:102558:2022 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2022latest | — | 1.1 kBtu/ft² | — | |
| 2021 | — | 1.0 kBtu/ft² | — |
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.
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
- 4437 Twain Avenue
- City
- San Diego
- State
- California
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in San Diego · biggest emitters
How does Mission Valley Self Storage compare with other self-storage facility buildings in San Diego?
The latest disclosures cover 56 self-storage facility buildings in San Diego, out of 2,567 buildings citywide. Its site EUI of 1.1 kBtu/ft² is about 69% below the average of 3.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 123,533 sq ft, it is about 58% below the average floor area of 292,875 sq ft for those buildings. It was built in 1985, 8 years earlier than the group's average year built (1993). Across all 24 jurisdictions BuildingCensus covers, the 3,050 self-storage facility buildings average an ENERGY STAR score of 75 and a site EUI of 9.4 kBtu/ft².
How has Mission Valley Self Storage's energy performance changed over time?
BuildingCensus holds 2 San Diego disclosures for Mission Valley Self Storage, covering report years 2021–2022. Site EUI moved from 1.0 kBtu/ft² (2021) to 1.1 kBtu/ft² (2022), an 10% increase.
What does a site EUI of 1.1 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. Mission Valley Self Storage's 1.1 kBtu/ft² across 123,533 sq ft works out to about 0.1 billion Btu (40 MWh-equivalent) in 2022.
Which law requires Mission Valley Self Storage to report its energy use?
Mission Valley Self Storage 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:102558:2022). 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 self-storage facility buildings in San Diego
- 0779-San Diego - Arjons Drive· 122,677 sq ft · EUI 1.9 kBtu/ft²
- Morena Self Storage· 119,180 sq ft
- StorAmerica - San Diego Metro· 117,064 sq ft
- 23424-San Diego / Morena· 115,622 sq ft · EUI 1.8 kBtu/ft²
- Rancho Bernardo Self Storage· 115,000 sq ft · EUI 1.6 kBtu/ft²
- 21908-San Diego / 16th St· 111,622 sq ft · EUI 2.7 kBtu/ft²
- Self-Storage Facility buildings in San Diego· 56 benchmarked
- All San Diego benchmarked buildings· Building Energy Benchmarking Ordinance (SDMC Ch. 14 Art. 12)
- Most efficient large buildings in San Diego
- Least efficient large buildings in San Diego
- Biggest emitters in San Diego
Frequently asked questions
What is Mission Valley Self Storage's energy grade?
Mission Valley Self Storage did not report an ENERGY STAR score in its 2022 disclosure, but its site energy-use intensity was 1.1 kBtu/ft².
How much energy does Mission Valley Self Storage use?
Its 2022 site energy-use intensity was 1.1 kBtu/ft² across 123,533 sq ft.
What are Mission Valley Self Storage's carbon emissions?
No greenhouse-gas emissions figure was reported for 2022.
Where is Mission Valley Self Storage?
Mission Valley Self Storage is at 4437 Twain Avenue, in San Diego, California.
How big is Mission Valley Self Storage and when was it built?
Mission Valley Self Storage has 123,533 sq ft of gross floor area, as reported in its 2022 disclosure. The disclosure lists 1985 as its year built. It is classed as self-storage facility.
Is Mission Valley Self Storage covered by the Building Energy Benchmarking Ordinance (SDMC Ch. 14 Art. 12)?
Yes — it appears in the 2022 Building Energy Benchmarking disclosure, which lists the buildings reporting under the Building Energy Benchmarking Ordinance (SDMC Ch. 14 Art. 12).
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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, “Mission Valley Self Storage, San Diego, California — 2022 benchmarking disclosure”, https://buildingcensus.com/buildings/san-diego/mission-valley-self-storage-1632eef4 (data as of July 9, 2026).