20 Sullivan St, #2, Charlestown, MA 02129 Property Records

Suffolk County and Boston City property record for 20 Sullivan St, #2, Charlestown, MA 02129

Property Summary

Property Type	Condominium
Details	2 bd · 1.5 ba · 1,336 sqft · built 1875
Lot Size	0.031 acres (1,336 sqft)
Owner	Individual Name on File
Last Sale	$450,000 (Jun 2005)
Tax Bill	$11,829 (2025)
Deeds & Mortgages	Jun 2021 Refinance Mar 2020 Refinance
Flood Zone	Zone X (minimal risk)
APN	`CHAR W:02 P:00557 S:004`

Property Details

APN / Parcel Number

Primary APN	`CHAR W:02 P:00557 S:004`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	5 Rooms
Stories	2 Stories
Building Area	1,336 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1875
Effective Year Built	Effective 2004
Architectural Style	Other
Exterior Material	Brick
Roof Type	Flat
Roof Material	Other
Lot Area	1,336 sqft (0.031 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Street Address	20 SULLIVAN ST, 2
City	CHARLESTOWN
State	MA
Zip	02129-3013
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	CD
Jurisdiction	BOSTON MA
Township / Civil Division	BOSTON
Census Block Group	1
Census Block	1006
Census Tract	40401

Owner

20 Sullivan St, #2 is owned by an individual who bought it in June 2005.

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

Owner of Record	Individual Name on File
Mailing Address	20 SULLIVAN ST, 2, CHARLESTOWN, MA 02129-3013
Owner Type	Individual

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
Jun 17, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance POINT DIGITAL FINANCE INC
Mar 16, 2020	Deed of Trust, Mortgage · Stand-Alone Refinance NATIONSTAR MORTGAGE LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 20, 2005 · Amount on File
Deed Sale	Jun 20, 2005 · Amount on File
Deed Document Number	200578730
Deed Book / Page	37338 / 192
Record Updated	Sep 20, 2026

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOSTON MA
Property Address	20 SULLIVAN ST # 2, 2, CHARLESTOWN, MA 02129-3013
Transaction Type	Mortgage
Record Updated	Jan 17, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	065703-286
Date	Jun 17, 2021
Book Page	65703/286
Instrument	68233

Lender

Name	POINT DIGITAL FINANCE INC

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2051

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOSTON MA
Property Address	20 SULLIVAN ST # 2, 2, CHARLESTOWN, MA 02129-3013
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	62686-50
Date	Mar 16, 2020
Book Page	62686/50
Instrument	21785

Lender

Name	NATIONSTAR MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 20 Sullivan St, #2 was $11,829, up 5.7% from the year before.

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	$11,829.00 (+5.7%)	$1,021,500 (-0.51%) Building $1,021,500	$854,905 (-21.61%)
2024	$11,191.00 (+21.35%)	$1,026,700 (+19.56%) Building $1,026,700	$1,090,600
2023	$9,222.00	$858,700 Building $858,700

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

Flood

FEMA maps place 20 Sullivan St, #2 in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2023.

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
Flood Insurance Cost	Premium on File median of 11 individual policies
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	13 units insured incl. 2 condo units
Nearby Flood Claims	1 (2023)
Most Recent Claim	Jul 2023 · rainfall accumulation

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 20 Sullivan St, #2 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 1,310 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 Fiber · Fixed Wireless in parts of the area	980 / 880
Netafy Fixed Wireless	641 / 143
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Starry.

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