10 Upton St, Boston, MA 02118 Property Records

Suffolk County and Boston City property record for 10 Upton St, Boston, MA 02118

Property Summary

Property Type	Mixed Use Commercial Office / Residential
Details	2,952 sqft · built 1900
Lot Size	0.031 acres (1,334 sqft)
Owner	Individual Name on File
Last Sale	$16,858,000 (Apr 2025)
Deeds & Mortgages	Apr 2025 Mortgage Apr 2025 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`CBOS W:09 P:00029 S:000`

Property Details

APN / Parcel Number

Primary APN	`CBOS W:09 P:00029 S:000`

Interior

Units	7 Units
Stories	3 Stories
Building Area	2,952 sqft Total Area

Exterior

Year Built	Built 1900
Effective Year Built	Effective 2013
Exterior Material	Brick
Construction Type	Brick
Lot Area	1,334 sqft (0.031 acres)

Location & Zoning

Street Address	10 UPTON ST
City	BOSTON
State	MA
Zip	02118-1761
Property Category	Commercial
Property Type	Commercial > Office > Mixed Use Commercial Office / Residential
Local Zoning Code	RC
Jurisdiction	BOSTON MA
Township / Civil Division	BOSTON
Census Block Group	1
Census Block	1005
Census Tract	70502

Historic Designation

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

Historic District	Within the South End District (Boundary Increase II) listed 2025 · 8 contributing resources · NRIS 73000324

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

Owner

10 Upton St, a commercial property, is owned by an individual who bought it in April 2025.

Source: Suffolk County and Boston City records, as of July 20, 2026

Owner of Record	Individual Name on File
Mailing Address	2 SAN JUAN ST, BOSTON, MA 02118-1504
Owner Type	Individual
Vesting	Company

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Apr 18, 2025	Deed of Trust, Mortgage INQUILINOS BORICUAS EN ACCION
Apr 18, 2025	Deed of Trust, Mortgage INQUILINOS BORICUAS EN ACCION
Apr 18, 2025	Deed of Trust, Mortgage URBAN EDGE HOUSING CORP
Apr 18, 2025	Deed of Trust, Mortgage INQUILINOS BORICUAS EN ACCION
Apr 18, 2025	Deed, Transfer · Stand-Alone First Mortgage MASSACHUSETTS HOUSING FINANCE AGENC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 18, 2025 · Amount on File
Deed Sale	Apr 18, 2025 · Amount on File
Deed Book / Page	71307 / 23
Prior Transfer Date	Mar 25, 2025
Prior Transfer Doc	00071307-1
Record Updated	Sep 20, 2026

April 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOSTON MA
Property Address	10 UPTON ST, BOSTON, MA 02118-1761
Transaction Type	Mortgage
Record Updated	Nov 25, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	071307-221
Date	Apr 18, 2025
Book Page	71307/221
Instrument	22848

Lender

Name	INQUILINOS BORICUAS EN ACCION

Agreement

Amount	Amount on Record

April 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOSTON MA
Property Address	10 UPTON ST, BOSTON, MA 02118-1761
Transaction Type	Mortgage
Record Updated	Nov 25, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	071307-194
Date	Apr 18, 2025
Book Page	71307/194
Instrument	22846

Lender

Name	INQUILINOS BORICUAS EN ACCION

Agreement

Amount	Amount on Record

April 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOSTON MA
Property Address	10 UPTON ST, BOSTON, MA 02118-1761
Transaction Type	Mortgage
Record Updated	Nov 25, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	071307-235
Date	Apr 18, 2025
Book Page	71307/235
Instrument	22849

Lender

Name	URBAN EDGE HOUSING CORP

Agreement

Amount	Amount on Record

April 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOSTON MA
Property Address	10 UPTON ST, BOSTON, MA 02118-1761
Transaction Type	Mortgage
Record Updated	Nov 25, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	071307-208
Date	Apr 18, 2025
Book Page	71307/208
Instrument	22847

Lender

Name	INQUILINOS BORICUAS EN ACCION

Agreement

Amount	Amount on Record

April 2025: Deed, Transfer

Document Type	Deed
Jurisdiction	BOSTON MA
Recording Date	Apr 18, 2025
Property Address	10 UPTON ST, BOSTON, MA 02118-1761
Document Number	0071307-23
Book / Page	71307 / 23
Instrument Date	Mar 17, 2025
Instrument	22841
Transaction Type	Transfer
Record Updated	Nov 19, 2025

Transaction

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

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000022843
Date	Apr 18, 2025
Instrument	22843

Lender

Name	MASSACHUSETTS HOUSING FINANCE AGENC
Type	Government Agency

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

Mortgage

Document Number	071307-149
Date	Apr 18, 2025
Book Page	71307/149
Instrument	22845

Lender

Name	MASSACHUSETTS HOUSING FINANCE AGENCY
Type	Government Agency

Agreement

Amount	Amount on Record

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	Assessed Value	Assessed Market Value
2025	$635,465 (-0.63%) Land $445,221 Building $190,244	$2,285,795
2024	$639,470 Land $445,222 Building $194,248

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

FEMA maps place 10 Upton St in Zone X, an area of minimal flood risk.

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	4 units insured incl. 4 condo units

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

The area around 10 Upton St has no burnable land within ember reach, so its wildfire risk is not rated.

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.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	BOSTON WATER AND SEWER COMMISSION (MWRA) serves 675,647 people · EPA ID MA3035000
Water Source	Purchased surface water from MWRA
Last State Inspection	Mar 2026
Lead	6 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Lead service line replacement currently in violation since Nov 2020
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 1,232 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Netafy Fixed Wireless	1,000 / 1,000
Verizon Fiber · Fixed Wireless in parts of the area	980 / 880
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Astound Broadband, Starry.

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