Shopping center · Co-op City, Bronx
121 Einstein Loop East
Bronx, NY 10475
121 Einstein Loop East is a 2-floor shopping center in Co-op City, Bronx, built in 1969, with about 136,000 square feet of retail space according to city records.
Also at 119-141 Einstein Loop East, 99 Einstein Loop North, 115 Einstein Loop North, 159-177 Einstein Loop South and 1 more.
- Retail space
- 136K SF
- Floors
- 2
- Year built
- 1969
- Zoning
- R6
The 6th largest of the 11 retail buildings we track in Co-op City. Compare it with 6 neighbors
No space at 121 Einstein Loop East is listed on Leasemark yet. Own or broker space here? List it free and it is matched against every active requirement the day it goes up, or import a spreadsheet of up to 50 spaces at once. Nothing free right now? Get tenant alerts for Co-op City and hear the moment a tenant posts a requirement there.
Compared with its neighbors
How 121 Einstein Loop East compares
Next to the 6 nearest large retail buildings, all within a 7 minute walk, 121 Einstein Loop East ranks 5th of 7 by retail floor area. Built in 1969, it is the oldest of them. Its property tax is fully exempt on the city's assessment roll.
| Building | Retail space | Floors | Built | Tax / SF |
|---|---|---|---|---|
| 121 Einstein Loop East | 136K SF | 2 | 1969 | Exempt |
| 100 Baychester Avenue | 171K SF | 3 | 1996 | $11.22 |
| 2100 Bartow Avenue | 320K SF | 4 | 1988 | $10.26 |
| 200 Baychester Avenue | 542K SF | 4 | 2012 | $15.08 |
| 250 Baychester Avenue | 160K SF | 3 | 2013 | $10.53 |
| 300 Baychester Avenue | 134K SF | 1 | 1994 | $4.94 |
| 340 Baychester Avenue | 74K SF | 2 | 1999 | $10.20 |
Sources: NYC Department of City Planning, PLUTO 26v2 for size, floors and year built; NYC Department of Finance 2026/27 roll for tax (taxable value times the class rate, before abatements, over the whole floor area). Large means at least 50,000 SF of the building's main use. Walking times are straight-line estimates.
NYC tax lot records
Building facts
- Other addresses
- 119-141 Einstein Loop East; 99 Einstein Loop North; 115 Einstein Loop North; 159-177 Einstein Loop South; 181 Einstein Loop South
- ZIP code
- 10475
- Building type
- Shopping center (city class K6)
- Total floor area
- 435,020 SF
- Commercial floor area
- 435,020 SF
- Office
- 2,000 SF
- Retail
- 136,305 SF
- Height
- 2 floors
- Year built
- 1969
- Last major alteration
- 2003
- Lot area
- 138,305 SF
- Zoning district
- R6
- Built FAR
- 3.15
- Tax lot (BBL)
- 2051350210
Nearest subway
- Pelham Bay Park
Source: NYC Department of City Planning, PLUTO 26v2, pulled 2026-10-03; addresses from the Property Address Directory (PAD) 26b; subway stations from the MTA Subway Stations dataset, pulled 2026-10-03. Floor areas are the city's estimates for the whole building, not available space. Walking times are straight-line estimates. How we build these pages. Something wrong on this page? Tell us.
NYC Department of Finance records
Owner, property tax and assessed value
The Department of Finance lists RIVERBAY CORPORATION as the owner of record. For tax year 2026/27 the city values 121 Einstein Loop East at $50.2 million and assesses it at $22.6 million. Exemptions on the roll cover the whole taxable value, which is common for government, nonprofit and payment-in-lieu-of-taxes properties.
- Owner of record
- RIVERBAY CORPORATION
- Tax class
- Class 4 (commercial and industrial)
- City market value
- $50,159,000
- Land market value
- $2,075,000
- Assessed value
- $22,571,550
- Exemptions
- $22,571,550
- Estimated yearly tax
- Fully exempt on the roll
City market value by tax year
Source: NYC Department of Finance, Property Valuation and Assessment Data (2026/27 roll; owner names as the roll records them, which cuts some long names short), pulled 2026-10-03. Exempt properties can still owe charges or payments in lieu of taxes that the roll does not show.
NYC energy benchmarking (Local Law 84)
Energy score, grade and emissions
121 Einstein Loop East reported an ENERGY STAR score of 46 out of 100 for 2024 in its Local Law 84 benchmarking filing. Under Local Law 33 that score earns a D (under 55). Its site energy use came to 118.1 kBtu per square foot, about the same as the national median of 115 for a similar property. Its greenhouse gas emissions were about 138,482 metric tons of CO2e (6.55 kg per square foot). The filing covers 9 tax lots together, so these figures are for the whole property.
- ENERGY STAR score (2024)
- 46 of 100
- Grade this score earns (Local Law 33)
- D (under 55)
- Property type (Portfolio Manager)
- Multifamily Housing
- Site energy use intensity
- 118.1 kBtu/SF
- National median for the type
- 115 kBtu/SF
- Greenhouse gas emissions
- 138,482 t CO2e
- Emissions per SF
- 6.55 kg CO2e
- Floor area in the filing
- 21,150,159 SF
- Tax lots in the filing
- 9
ENERGY STAR score by year
Energy sources in 2024
Source: NYC Department of Buildings and Mayor's Office of Climate and Environmental Justice, NYC Building Energy and Water Data Disclosure for Local Law 84 (2024 filing, one filing for 9 tax lots), pulled 2026-10-03; grade cutoffs from the Department of Buildings energy grades page. Figures are as the owner filed them in ENERGY STAR Portfolio Manager. The grade is the one the filed score earns under the law's cutoffs; the Department of Buildings assigns the grade a building posts, which can differ.
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Questions about 121 Einstein Loop East
How big is 121 Einstein Loop East?
121 Einstein Loop East has about 435,000 square feet of floor area in total, including 2,000 square feet of office and 136,000 square feet of retail, according to NYC PLUTO 26v2. These are the city's estimates for the whole building, not space that is available.
When was 121 Einstein Loop East built?
City records list 1969 as the year built, with a major alteration recorded in 2003. The building is 2 floors tall.
What other addresses does 121 Einstein Loop East have?
City records list 119-141 Einstein Loop East, 99 Einstein Loop North, 115 Einstein Loop North, 159-177 Einstein Loop South and 181 Einstein Loop South on the same tax lot (BBL 2051350210) as 121 Einstein Loop East. A space listed on Leasemark at any of these addresses shows up on this page.
What is the ZIP code of 121 Einstein Loop East?
121 Einstein Loop East is in ZIP code 10475, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The full mailing address is 121 Einstein Loop East, Bronx, NY 10475, in Co-op City.
What is the zoning at 121 Einstein Loop East?
The lot is in the R6 zoning district. PLUTO lists a built floor area ratio (FAR) of 3.15 for this lot.
What subway station is closest to 121 Einstein Loop East?
The closest subway station to 121 Einstein Loop East is Pelham Bay Park (the 6 train), about 0.9 miles away in a straight line, roughly 18 minutes on foot. The MTA lists it as an accessible station. Walking times are straight-line estimates; the street route is longer.
Who owns 121 Einstein Loop East?
The NYC Department of Finance's 2026/27 assessment roll lists RIVERBAY CORPORATION as the owner of record of 121 Einstein Loop East (BBL 2051350210). Deeds and mortgages for the lot are public in ACRIS, the city's property records system.
What is the energy grade of 121 Einstein Loop East?
121 Einstein Loop East reported an ENERGY STAR score of 46 for calendar year 2024 in its Local Law 84 benchmarking filing. Under Local Law 33, as amended by Local Law 95 of 2019, a score of 85 or higher earns an A, 70 to 84 a B, 55 to 69 a C and under 55 a D, so 46 earns a D. The Department of Buildings assigns the grade a building posts, so the posted label can differ if a filing was corrected. Its site energy use came to 118.1 kBtu per square foot, about the same as the national median of 115 for a similar property. Its greenhouse gas emissions were about 138,482 metric tons of CO2e (6.55 kg per square foot). The filing covers 9 tax lots together, so these figures are for the whole property.
What are the property taxes at 121 Einstein Loop East?
The Department of Finance's 2026/27 assessment roll lists exemptions covering the whole taxable value of 121 Einstein Loop East, so there is no property tax on the roll to estimate. That is common for government, nonprofit and payment-in-lieu-of-taxes (PILOT) properties. The city's property tax records for BBL 2051350210 show what is actually billed.
What is the assessed value of 121 Einstein Loop East?
For tax year 2026/27, the NYC Department of Finance puts the market value of 121 Einstein Loop East at $50.2 million ($2.08 million of it land) and its assessed value at $22.6 million, the 45% of market value the city assesses for Class 4 property. The city's market value rose 6% from 2022/23 ($47.4 million) to 2026/27.
Is there retail space for lease at 121 Einstein Loop East?
No space at 121 Einstein Loop East is listed on Leasemark right now. Owners and brokers can list space here for free, and tenants can post a requirement to be matched when space opens up.
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Co-op City
Transit hubs in Co-op City
- 5 at Baychester Av
- New England Thruway (I-95) and Hutchinson River Parkway