51 Sleeper St, Boston, MA 02210 Property Records

Suffolk County and Boston City property record for 51 Sleeper St, Boston, MA 02210

Property Summary

Property Type	Commercial
Details	167,625 sqft · built 1929
Lot Size	0.447 acres (19,473 sqft)
Owner	2 Company Names on Record
Last Sale	$115,000,000 (Jan 2020)
Tax Bill	$2,681,896 (2025)
Deeds & Mortgages	Jan 2020 Sale Dec 2018 Sale & Mortgage
Flood Zone	Zone AE (high risk)
APN	`SBOS W:06 P:02670 S:000`

Property Details

APN / Parcel Number

Primary APN	`SBOS W:06 P:02670 S:000`

Interior

Units	262 Units
Stories	8 Stories
Building Area	167,625 sqft Total Area

Exterior

Year Built	Built 1929
Effective Year Built	Effective 2022
Exterior Material	Brick
Construction Type	Concrete
Lot Area	19,473 sqft (0.447 acres)

Location & Zoning

Street Address	51 SLEEPER ST
City	BOSTON
State	MA
Zip	02210-1276
Property Category	Commercial
Property Type	Commercial > Retail
Local Zoning Code	C
Jurisdiction	BOSTON MA
Township / Civil Division	BOSTON
Census Block Group	2
Census Block	2002
Census Tract	60604

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic District	Within the Fort Point Channel Historic District listed 2004 · 98 contributing resources · NRIS 04000959

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

Source: Suffolk County and Boston City records, as of April 14, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on Record
Mailing Address	2727 LYNDON B JOHNSON FWY, 806, DALLAS, TX 75234-7334
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Jan 24, 2020	Quit Claim Deed, Transfer NOT AVAILABLE
Dec 20, 2018	Quit Claim Deed, Transfer · Stand-Alone First Mortgage SANTANDER BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 24, 2020 · Amount on Record
Deed Sale	Jan 24, 2020 · Amount on Record
Prior Sale	Dec 20, 2018 · Amount on Record
Deed Document Number	20206059
Deed Book / Page	62436 / 101
Prior Transfer Date	Jan 16, 2020
Prior Transfer Doc	62436-101
Record Updated	Oct 29, 2026

January 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOSTON MA
Recording Date	Jan 24, 2020
Property Address	51 SLEEPER ST, BOSTON, MA 02210-1276
Document Number	62436-101
Book / Page	062436 / 000101
Instrument Date	Jan 16, 2020
Instrument	6059
Transaction Type	Transfer
Record Updated	Feb 11, 2020
Title Company	NOT AVAILABLE

Transaction

Amount	Amount Recorded
Tax	$524,400.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1 LINCOLN ST #24 BOSTON MA 021112905, 24, BOSTON, MA 02111-2905

December 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOSTON MA
Recording Date	Dec 20, 2018
Property Address	51 SLEEPER ST, BOSTON, MA 02210-1276
Document Number	060557-329
Book / Page	60557 / 329
Instrument Date	Dec 19, 2018
Instrument	109608
Transaction Type	Transfer
Record Updated	Feb 15, 2022

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	250 VESEY ST # 15TH, NEW YORK, NY 10281-1052

Mortgage

Document Number	0000109610
Date	Dec 20, 2018
Instrument	109610

Lender

Name	SANTANDER BANK NA
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

Source: Suffolk County and Boston City assessment roll, as of April 14, 2026

Property Jurisdictions

Type	Name
State	Massachusetts
County	Suffolk County
Municipality	Boston City
Unified School District	Boston School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2025	$2,681,896.00 (-4.51%)	$103,308,800 (-7.04%) Land $20,583,000 Building $82,725,800
2024	$2,808,429.00 (+8.91%)	$111,136,900 (+6.37%) Land $20,583,000 Building $90,553,900
2023	$2,578,594.00	$104,481,100 Land $20,583,000 Building $83,898,100

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective January 21, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	10.0 ft
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 32 individual policies
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	227 units insured incl. 195 condo units
Nearby Flood Claims	3 (2018)
Most Recent Claim	Mar 2018 · other causes

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Internet Providers

Source: FCC Broadband Data Collection, based on 95 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable · Fiber in parts of the area	2,000 / 2,000
Netafy Fixed Wireless	600 / 150
AT&T Fixed Wireless	100 / 20

May also be available: Astound Broadband, Starry, T-Mobile, Verizon.

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