11 William St, Somerville, MA 02144 Property Records

Middlesex County and Somerville City property record for 11 William St, Somerville, MA 02144

Property Summary

Property Type	Duplex
Details	4 bd · 4.5 ba · 2,736 sqft · built 1900
Lot Size	0.121 acres (5,250 sqft)
Owner	2 Trust Names on Record
Last Sale	$1,850,000 (Mar 2019)
Tax Bill	$21,774 (2026)
Deeds & Mortgages	Aug 2023 Transfer Jun 2017 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`20-D-1`

Property Details

APN / Parcel Number

Primary APN	`20-D-1`
Alternative APNs	`SOME M:20 B:D L:1` `12382026`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Units	2 Units
Stories	3 Stories
Building Area	2,736 sqft Living Area
Gross Area	4,785 sqft
Basement Area	1,029 sqft
Unfinished Basement	1,029 sqft

Exterior

Year Built	Built 1900
Effective Year Built	Effective 1900
Architectural Style	Duplex Single
Exterior Material	Wood Siding
Roof Type	Gable
Roof Material	Metal
Lot Area	5,250 sqft (0.121 acres)
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Account Number	12382026
Street Address	11 WILLIAM ST
City	SOMERVILLE
State	MA
Zip	02144-1925
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	NR
Legal Subdivision	WILLIAM A RUSSELL
Legal Block	D
Legal Lot Number	1
Jurisdiction	SOMERVILLE MA
Township / Civil Division	SOMERVILLE
Census Block Group	1
Census Block	1004
Census Tract	350500

Owner

Source: Middlesex County and Somerville City records, as of October 20, 2026

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

Owner of Record	2 Trust Names on Record
Mailing Address	11 WILLIAM ST, SOMERVILLE, MA 02144-1925
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Aug 23, 2023	Quit Claim Deed, Transfer Quitclaim
Jun 28, 2017	Deed of Trust, Mortgage WELLS FARGO BANK NA
Mar 18, 2020	Deed of Trust, Mortgage · ARM CITIZENS BANK OF RHODE ISLAND
Mar 12, 2020	Deed of Trust, Mortgage · Line of Credit CITIZENS BK/RI
Mar 12, 2019	Quit Claim Deed, Transfer CITIZENS BK/RI

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 12, 2019 · Amount on Record
Deed Sale	Mar 12, 2019 · Amount on Record
Prior Sale	Dec 20, 2012 · Amount on Record
Deed Book / Page	72321 / 93
Last Transfer Date	Aug 9, 2023
Transfer Doc	00081919-5
Record Updated	Oct 29, 2026

August 2023: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SOMERVILLE MA
Recording Date	Aug 23, 2023
Property Address	11 WILLIAM ST, SOMERVILLE, MA 02144-1925
Document Number	00081919-5
Book / Page	81919 / 5
Instrument Date	Aug 9, 2023
Instrument	94886
Transaction Type	Transfer
Record Updated	Sep 8, 2023

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	11 WILLIAM ST, SOMERVILLE, MA 02144-1925

June 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SOMERVILLE MA
Property Address	11 WILLIAM ST, SOMERVILLE, MA 02144-1925
Transaction Type	Mortgage
Record Updated	Mar 22, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	69511-374
Date	Jun 28, 2017
Book Page	69511/374
Instrument	98996

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jun 1, 2047

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SOMERVILLE MA
Property Address	11 WILLIAM ST, SOMERVILLE, MA 02144-1925
Transaction Type	Mortgage
Record Updated	Mar 22, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	74309-23
Date	Mar 18, 2020
Book Page	74309/23
Instrument	40494

Lender

Name	CITIZENS BANK OF RHODE ISLAND
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2050

Interest

Rate Type	Adjustable Rate
Type Change Date	Apr 1, 2025

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SOMERVILLE MA
Property Address	11 WILLIAM ST, SOMERVILLE, MA 02144-1925
Document Number	74309-46
Instrument Date	Mar 12, 2020
Transaction Type	Mortgage
Record Updated	Apr 7, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	11 WILLIAM ST SOMERVILLE MA 021441925, SOMERVILLE, MA 02144-1925

Mortgage

Document Number	74309-46
Date	Mar 18, 2020
Book Page	074309/000046
Instrument	40495

Lender

Name	CITIZENS BK/RI
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

March 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SOMERVILLE MA
Recording Date	Mar 12, 2019
Property Address	11 WILLIAM ST, SOMERVILLE, MA 02144-1925
Document Number	72321-93
Book / Page	072321 / 000093
Instrument Date	Mar 7, 2019
Instrument	30087
Transaction Type	Transfer
Record Updated	Mar 28, 2019
Title Company	NOT AVAILABLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$8,436.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	11 WILLIAM ST SOMERVILLE MA 021441925, SOMERVILLE, MA 02144-1925

Mortgage

Document Number	72321-95
Date	Mar 12, 2019
Book Page	072321/000095
Instrument	30088

Lender

Name	CITIZENS BK/RI
Type	Bank

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Mar 11, 2049

Interest

Rate Type	Adjustable Rate

Mortgage

Document Number	72321-119,
Date	Mar 12, 2019
Book Page	072321/000119
Instrument	30089

Lender

Name	CITIZENS BK/RI
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Middlesex County and Somerville City assessment roll, as of April 14, 2026

Property Jurisdictions

Type	Name
State	Massachusetts
County	Middlesex County
Municipality	Somerville City
Unified School District	Somerville School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$21,774.00 (+4.34%)	$1,983,100 (+3.68%) Land $979,000 Building $1,004,100	$2,133,001
2025	$20,868.00 (+6.81%)	$1,912,700 (+2.99%) Land $932,300 Building $980,400
2024	$19,538.00 (+2.63%)	$1,857,200 (+0.87%) Land $932,300 Building $924,900
2023	$19,037.00	$1,841,100 Land $932,300 Building $908,800

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 September 10, 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 7 (15% premium discount)
Nearby Flood Policies	4 in force

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.

Drinking Water

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

Water System	SOMERVILLE WATER DEPT. (MWRA) serves 81,045 people · EPA ID MA3274000
Water Source	Purchased surface water from MWRA
Last State Inspection	Oct 2025
Lead	4 ppb (2025) 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 2019
Monitoring and Reporting	1 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 1,241 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Netafy Fixed Wireless	564 / 125
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Starry, Verizon.

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