The Mason Flats At Township Square #10104 (26249)
Multifamily Housing in California, CA · 1605 Lexington Ln, Pleasanton · 94566
At a glance
The Mason Flats At Township Square #10104 (26249) is a 195,646-square-foot multifamily housing building at 1605 Lexington Ln, Pleasanton in Pleasanton, California, built in 1664. It is listed in the 2021 Building Energy Benchmarking Program (statewide) disclosure without energy figures: no ENERGY STAR score, energy use or emissions were published for it that year.
No energy data reported for 2021
The Mason Flats At Township Square #10104 (26249) appears in the 2021 Building Energy Benchmarking Program (statewide) 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: 195,646 sq ft · Built 1664
Source record california:5810632:2021
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.
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
- 1605 Lexington Ln, Pleasanton
- City
- California
- State
- California
- ZIP
- 94566
- Coordinates
- 37.65554, -121.89774
Within ~1 km
Nearby benchmarked buildings
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- The Mason Flatsscore 71
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Strip Mall · 156,766 sq ft
- Z431313 - Sycamore Plaza Iiscore 94
Office · 126,315 sq ft
- Z431312 - Sycamore Plaza Iscore 86
Office · 122,442 sq ft
- The Kensington (Ke073)score 84
Multifamily Housing · 112,829 sq ft
See also: most efficient in California · biggest emitters
Which law requires The Mason Flats At Township Square #10104 (26249) to report its energy use?
The Mason Flats At Township Square #10104 (26249) 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 2021 disclosure (source record california:5810632:2021). 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 multifamily housing buildings in California
- Brooklake Apartments· 195,634 sq ft · score 62 (C)
- Overture San Marcos - Co (Vr143)· 195,576 sq ft · score 100 (A)
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- 1219 N State College Blvd· 195,482 sq ft · score 100 (A)
- Tavera· 195,418 sq ft · score 82 (B)
- Village At Sc - Delrey #09· 195,323 sq ft · score 69 (C)
- Multifamily Housing buildings in California· 10,630 benchmarked
- All California benchmarked buildings· AB 802 (Public Resources Code §25402.10)
- Most efficient large buildings in California
- Least efficient large buildings in California
- Biggest emitters in California
Frequently asked questions
What is The Mason Flats At Township Square #10104 (26249)'s energy grade?
The Mason Flats At Township Square #10104 (26249) has no grade: it did not report energy data for 2021. The 2021 Building Energy Benchmarking Program (statewide) disclosure lists the building but publishes no ENERGY STAR score, energy use or emissions for it.
Where is The Mason Flats At Township Square #10104 (26249)?
The Mason Flats At Township Square #10104 (26249) is at 1605 Lexington Ln, Pleasanton, in Pleasanton, California 94566. Its coordinates are 37.65554, -121.89774 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
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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, “The Mason Flats At Township Square #10104 (26249), Pleasanton, California — 2021 benchmarking disclosure”, https://buildingcensus.com/buildings/california/the-mason-flats-at-township-square-10104-26249-3c0ef70f (data as of July 9, 2026).