23 Boardman St, Cambridge, MA 02139 Property Records

Middlesex County and Cambridge City property record for 23 Boardman St, Cambridge, MA 02139

Property Summary

Property Type	Condominium
Details	4 bd · 3 ba · 1,746 sqft · built 1846
Lot Size	0.108 acres (4,735 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,725,000 (Mar 2021)
Tax Bill	$10,337 (2025)
Deeds & Mortgages	Mar 2021 Sale & Mortgage Nov 2020 Refinance
Flood Zone	Zone X (minimal risk)
APN	`76-41-23`

Property Details

APN / Parcel Number

Primary APN	`76-41-23`
Alternative APN	`CAMB M:00076 L:0004100023`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,746 sqft Living Area
Gross Area	2,425 sqft
1st Floor Area	1,746 sqft
Basement Area	679 sqft
Unfinished Basement	476 sqft

Exterior

Year Built	Built 1846
Effective Year Built	Effective 1846
Architectural Style	Condo/Apartment
Lot Area	4,735 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Street Address	23 BOARDMAN ST
City	CAMBRIDGE
State	MA
Zip	02139-1927
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Lot Number	4100023
Jurisdiction	CAMBRIDGE MA
Township / Civil Division	CAMBRIDGE
Census Block Group	2
Census Block	2000
Census Tract	352500

Owner

Source: Middlesex County and Cambridge 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	2 Individual Names on Record
Mailing Address	23 BOARDMAN ST, CAMBRIDGE, MA 02139-1927
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Mar 26, 2021	Quit Claim Deed, Transfer · Stand-Alone First Mortgage BANGOR SAVINGS BANK
Nov 6, 2020	Deed of Trust, Mortgage · Stand-Alone Refinance NFM LENDING

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 26, 2021 · Amount on Record
Deed Sale	Mar 26, 2021 · Amount on Record
Prior Sale	Jun 1, 2015 · Amount on Record
Deed Book / Page	77344 / 187
Record Updated	Oct 29, 2026

March 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CAMBRIDGE MA
Recording Date	Mar 26, 2021
Property Address	23 BOARDMAN ST, CAMBRIDGE, MA 02139-1927
Document Number	077344-187
Book / Page	77344 / 187
Instrument Date	Mar 26, 2021
Instrument	68094
Transaction Type	Transfer
Record Updated	Feb 9, 2026

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
Relationship	Tenants by the Entirety
Address	23 BOARDMAN ST, CAMBRIDGE, MA 02139-1927

Mortgage

Document Number	0000068095
Date	Mar 26, 2021
Instrument	68095

Lender

Name	BANGOR SAVINGS BANK
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CAMBRIDGE MA
Property Address	23 BOARDMAN ST, CAMBRIDGE, MA 02139-1927
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	76104-200
Date	Nov 6, 2020
Book Page	76104/200
Instrument	207328

Lender

Name	NFM LENDING
Type	Mortgage Company

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	301 Months
Due	Dec 1, 2045

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$10,337.00 (+6.52%)	$1,627,900 (-0.69%) Building $1,627,900	$1,769,090 (-4.04%)
2024	$9,704.00 (+10.24%)	$1,639,200 (+9.12%) Building $1,639,200	$1,843,570
2023	$8,803.00	$1,502,200 Building $1,502,200

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 9 (5% premium discount)
Nearby Flood Policies	1 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	CAMBRIDGE WATER DEPARTMENT serves 118,214 people · EPA ID MA3049000
Water Source	Surface water
Last State Inspection	Jun 2023
Lead	8 ppb (2021–2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
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 1,159 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Verizon Fixed Wireless	1,000 / 75
Netafy Fixed Wireless	641 / 143
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Astound Broadband, Starry.

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