Office condominium · Bed-Stuy, Brooklyn
31 Spencer Street
Brooklyn, NY 11205
31 Spencer Street is a 15-floor office condominium in Bed-Stuy, Brooklyn, built in 2020, with about 89,000 square feet of office space according to city records.
Also at 29-35 Spencer Street.
- Office space
- 89K SF
- Floors
- 15
- Year built
- 2020
- Zoning
- M1-2
The 3rd largest of the 5 office buildings we track in Bed-Stuy. Compare it with 5 neighbors
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Compared with its neighbors
How 31 Spencer Street compares
Next to the 5 nearest large office buildings, all within a 19 minute walk, 31 Spencer Street ranks 3rd of 6 by office floor area. It went up in 2020; the median neighbor dates from 1940. Its estimated property tax, about $10.08 a square foot of floor area before abatements, is close to the neighbors' median of $9.83.
| Building | Office space | Floors | Built | Tax / SF | Last sale |
|---|---|---|---|---|---|
| 31 Spencer Street | 89K SF | 15 | 2020 | $10.08 | n/a |
| 11 Spencer Street | 91K SF | 9 | 2024 | $0.68 | n/a |
| 2 Skillman Street | 68K SF | 5 | 1940 | $2.83 | n/a |
| 39 Hall Street | 452K SF | 8 | 1912 | $9.83 | Apr 2026, $121M |
| 185 Marcy Avenue | 57K SF | 6 | 1905 | $9.96 | Apr 2025, $28.7M |
| 886 Broadway | 62K SF | 7 | 2020 | $10.36 | n/a |
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); ACRIS for the last deed that moved the whole lot for a real price (a price for several lots is their combined price; condominiums sell by the unit and show n/a). 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 address
- 29-35 Spencer Street
- ZIP code
- 11205
- Building type
- Office condominium (city class RB)
- Total floor area
- 89,121 SF
- Commercial floor area
- 89,121 SF
- Office
- 89,121 SF
- Height
- 15 floors
- Average floor
- About 5,900 SF (floor area divided by floors)
- Year built
- 2020
- Lot area
- 10,000 SF
- Zoning district
- M1-2
- Built FAR
- 8.91
- Max commercial FAR
- 2
- Tax lot (BBL)
- 3017167501
Nearest subway
- Flushing Av
- Myrtle-Willoughby Avs
- Lorimer St
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
31 Spencer Street is a condominium of 16 tax lots with 13 owners of record, none holding half of its market value. For tax year 2026/27 the city values 31 Spencer Street at $20.9 million and assesses it at $9.4 million. After phase-ins and exemptions its taxable value is $8.28 million; at the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists) that comes to about $898,101 a year before abatements, roughly $10.08 per square foot of floor area. Commercial leases here often pass a tenant's share of tax increases over a base year through as additional rent.
- Tax class
- Class 4 (commercial and industrial)
- City market value
- $20,885,999
- Land market value
- $1,000,000
- Assessed value
- $9,398,700
- Taxable value (phased in)
- $8,710,352
- Exemptions
- $431,400
- Estimated yearly tax
- About $898,101
- Tax per SF of floor area
- About $10.08
- Condominium tax lots
- 16
- Owners of record
- 13
City market value by tax year
Source: NYC Department of Finance, Property Valuation and Assessment Data (2026/27 roll, summed over 16 condominium tax lots; owner names as the roll records them, which cuts some long names short), pulled 2026-10-03; tax rate from the Department of Finance tax rates page, checked 2026-09-28. The estimate is the taxable value times the class rate. It leaves out abatements, payment-in-lieu-of-taxes agreements and charges, so the actual bill can differ.
NYC energy benchmarking (Local Law 84)
Energy score, grade and emissions
31 Spencer Street reported an ENERGY STAR score of 76 out of 100 for 2024 in its Local Law 84 benchmarking filing. Under Local Law 33 that score earns a B (70 to 84). Its site energy use came to 36.5 kBtu per square foot, 33% below the national median of 54.1 for a similar property. Its greenhouse gas emissions were about 391 metric tons of CO2e (4.04 kg per square foot).
- ENERGY STAR score (2024)
- 76 of 100
- Grade this score earns (Local Law 33)
- B (70 to 84)
- Property type (Portfolio Manager)
- Office
- Site energy use intensity
- 36.5 kBtu/SF
- National median for the type
- 54.1 kBtu/SF
- Greenhouse gas emissions
- 391 t CO2e
- Emissions per SF
- 4.04 kg CO2e
- Floor area in the filing
- 96,789 SF
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), 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.
NYC Department of Buildings permits
Work permits and build-outs
The Department of Buildings issued no permits for new jobs at 31 Spencer Street in the 12 months to October 2026; the last one was first permitted in December 2023.
- New jobs, last 12 months
- 0
- Initial permits, last 12 months
- 0
- Newest job first permitted
- December 2023
- Interior build-outs, last 24 months
- 0
New jobs by year
Build-outs across Bed-StuyWhere NYC offices are being built out
Source: NYC Department of Buildings, DOB NOW: Build Approved Permits, pulled 2026-10-03 (permits issued through 2026-10-01). A job counts once, when its first permit is issued; renewals are not new work. A build-out groups jobs on the same floors first permitted within 120 days of each other. Costs are the estimates filed with the jobs. Jobs filed before DOB NOW (in the older BIS system) are not counted. A permit is approval to do the work; it does not say who the work is for or whether it is finished.
Before you sign
Plain-English guides to square footage, rent and lease terms in New York, and free calculators to run your own numbers.
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About 150 to 260 rentable SF per employee in NYC when everyone comes in, less with shared desks: tables by team size and layout, then how to size from your busiest day.
Rentable vs usable square feet and the loss factor, explained
Rentable vs usable square feet in NYC: what the loss factor is, how to calculate it, and why two 5,000 SF suites at the same rent can be very different deals.
Gross vs net leases in NYC: what tenants actually pay
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Questions about 31 Spencer Street
How big is 31 Spencer Street?
31 Spencer Street has about 89,000 square feet of floor area in total, including 89,000 square feet of office, according to NYC PLUTO 26v2. These are the city's estimates for the whole building, not space that is available.
When was 31 Spencer Street built?
City records list 2020 as the year built. The building is 15 floors tall.
What other addresses does 31 Spencer Street have?
City records list 29-35 Spencer Street on the same tax lot (BBL 3017167501) as 31 Spencer Street. A space listed on Leasemark at any of these addresses shows up on this page.
What is the ZIP code of 31 Spencer Street?
31 Spencer Street is in ZIP code 11205, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The full mailing address is 31 Spencer Street, Brooklyn, NY 11205, in Bed-Stuy.
What is the zoning at 31 Spencer Street?
The lot is in the M1-2 zoning district. PLUTO lists a built floor area ratio (FAR) of 8.91 and a maximum commercial FAR of 2 for this lot.
What subway station is closest to 31 Spencer Street?
The closest subway station to 31 Spencer Street is Flushing Av (the G train), about 0.3 miles away in a straight line, roughly 7 minutes on foot. Also nearby: Myrtle-Willoughby Avs (the G train), 8 min walk; Lorimer St (the J and M trains), 12 min walk. Walking times are straight-line estimates; the street route is longer.
Who owns 31 Spencer Street?
31 Spencer Street is a condominium of 16 tax lots with 13 owners of record, none holding half of its market value. That is from the NYC Department of Finance's 2026/27 assessment roll (BBL 3017167501). Deeds and mortgages for each unit are public in ACRIS, the city's property records system.
What is the energy grade of 31 Spencer Street?
31 Spencer Street reported an ENERGY STAR score of 76 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 76 earns a B. 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 36.5 kBtu per square foot, 33% below the national median of 54.1 for a similar property. Its greenhouse gas emissions were about 391 metric tons of CO2e (4.04 kg per square foot).
Is there construction at 31 Spencer Street?
The Department of Buildings issued no permits for new jobs at 31 Spencer Street in the 12 months to October 2026; the last one was first permitted in December 2023. These are the Department of Buildings' DOB NOW work permits for tax lot 3017167501. A permit is approval to do the work; it does not say who the work is for or whether it is finished.
What are the property taxes at 31 Spencer Street?
The Department of Finance's 2026/27 assessment roll lists a taxable value of $8.28 million for 31 Spencer Street (the sum of its 16 condominium tax lots). At the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists), that is about $898,101 a year, roughly $10.08 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 3017167501 show the actual bill.
What is the assessed value of 31 Spencer Street?
For tax year 2026/27, the NYC Department of Finance puts the market value of 31 Spencer Street at $20.9 million ($1 million of it land) and its assessed value at $9.4 million, the 45% of market value the city assesses for Class 4 property. The city's market value rose 34% from 2024/25 ($15.6 million) to 2026/27.
Is there office space for lease at 31 Spencer Street?
No space at 31 Spencer Street 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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Transit hubs in Bed-Stuy
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