11 Walnut St, Boston, MA 02108 Property Records

Suffolk County and Boston City property record for 11 Walnut St, Boston, MA 02108

Property Summary

Property Type	Single Family Home
Details	4 bd · 5.5 ba · 4,185 sqft · built 1899
Lot Size	0.022 acres (975 sqft)
Owner	Company Name on Record
Last Sale	$2,140,000 (Dec 2005)
Tax Bill	$67,283 (2025)
Deeds & Mortgages	Jun 2026 Mortgage Mar 2020 Refinance + 2 more
Flood Zone	Zone X (minimal risk)
APN	`CBOS W:05 P:01477 S:000`

Property Details

APN / Parcel Number

Primary APN	`CBOS W:05 P:01477 S:000`

Interior

Bedrooms	4 Beds
Full Baths	5.5 Baths
Half Baths	3 Half Baths
Total Rooms	12 Rooms
Stories	5 Stories
Building Area	4,185 sqft Living Area
Gross Area	5,370 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1899
Effective Year Built	Effective 2016
Architectural Style	Other
Exterior Material	Brick
Construction Type	Brick
Roof Type	Mansard
Roof Material	Slate
Lot Area	975 sqft (0.022 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Street Address	11 WALNUT ST
City	BOSTON
State	MA
Zip	02108-3606
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Jurisdiction	BOSTON MA
Township / Civil Division	BOSTON
Census Block Group	3
Census Block	3009
Census Tract	20101

Historic Designation

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

Historic District	Within the Beacon Hill Historic District listed 1966 · 1,500 contributing resources · National Historic Landmark (designated 1962) · NRIS 66000130

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 July 20, 2026

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

Owner of Record	Company Name on Record
Mailing Address	267 COMMONWEALTH AVE, A, BOSTON, MA 02116-1621
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Jun 25, 2026	Deed of Trust, Mortgage
Mar 10, 2020	Quit Claim Deed, Transfer · Stand-Alone Refinance ATLANTIC FINANCIAL LLC
Nov 19, 2018	Deed of Trust, Mortgage MISCELLANEOUS FIN & MTG CO
Aug 27, 2018	Deed of Trust, Mortgage NEWTON FUNDING LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 13, 2005 · Amount on Record
Deed Sale	Dec 13, 2005 · Amount on Record
Prior Sale	Sep 8, 1989 · Amount on Record
Deed Book / Page	38657 / 175
Last Transfer Date	Mar 9, 2020
Transfer Doc	0062655-79
Record Updated	Oct 29, 2026

June 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOSTON MA
Recording Date	Jun 25, 2026
Property Address	11 WALNUT ST, BOSTON, MA 02108-3606
Document Number	0000039602
Book / Page	72930 / 25
Instrument Date	Jun 24, 2026
Instrument	202639602
Transaction Type	Mortgage
Record Updated	Jul 15, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000039602,
Date	Jun 25, 2026
Book Page	72930/25
Instrument	202639602

Lender

Agreement

Amount	Amount Recorded

Interest

Rate	6.53%
Max Rate	-1%

March 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOSTON MA
Recording Date	Mar 10, 2020
Property Address	11 WALNUT ST, BOSTON, MA 02108-3606
Document Number	62655-76
Book / Page	62655 / 76
Instrument Date	Mar 9, 2020
Instrument	19930
Transaction Type	Transfer
Record Updated	Feb 6, 2021

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	267 COMMONWEALTH AVE # A, A, BOSTON, MA 02116-1621

Mortgage

Document Number	62655-79
Date	Mar 10, 2020
Book Page	62655/79
Instrument	19932

Lender

Name	ATLANTIC FINANCIAL LLC

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded

November 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOSTON MA
Property Address	11 WALNUT ST, BOSTON, MA 02108-3606
Document Number	60428-17
Instrument Date	Nov 19, 2018
Transaction Type	Mortgage
Record Updated	Dec 12, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	267 COMMONWEALTH AVE #A BOSTON MA 021161621, A, BOSTON, MA 02116-1621

Mortgage

Document Number	60428-17
Date	Nov 19, 2018
Book Page	060428/000017
Instrument	100519

Lender

Name	MISCELLANEOUS FIN & MTG CO

Agreement

Amount	Amount Recorded

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOSTON MA
Property Address	11 WALNUT ST, BOSTON, MA 02108-3606
Document Number	60085-189
Instrument Date	Aug 27, 2018
Transaction Type	Mortgage
Record Updated	Jan 15, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	267 COMMONWEALTH AVE BOSTON MA 021161621, BOSTON, MA 02116-1621

Mortgage

Document Number	60085-189
Date	Aug 28, 2018
Book Page	060085/000189
Instrument	76383

Lender

Name	NEWTON FUNDING LLC
Type	Bank

Agreement

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	Assessed Market Value
2025	$67,283.00 (+14.7%)	$5,810,300 (+7.97%) Land $2,113,300 Building $3,697,000	$6,656,080 (+6.75%)
2024	$58,659.00 (+1.49%)	$5,381,600 (-) Land $1,695,700 Building $3,685,900	$6,234,945
2023	$57,798.00	$5,381,600 Land $1,695,700 Building $3,685,900

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective January 21, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Low lower than 99.1% of the US · lower than 98.7% of Massachusetts
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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 523 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
Verizon Fixed Wireless · Fiber in parts of the area	1,000 / 75
Netafy Fixed Wireless	500 / 150
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband, AT&T, Starry.

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