173 Coolidge Hill, Cambridge, MA 02138 Property Records

Middlesex County and Cambridge City property record for 173 Coolidge Hill, Cambridge, MA 02138

Property Summary

Property Type	Single Family Home
Details	5 bd · 4.5 ba · 3,411 sqft · built 1923
Lot Size	0.176 acres (7,657 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,800,000 (Jul 2018)
Tax Bill	$23,206 (2025)
Deeds & Mortgages	Jun 2021 Refinance Oct 2021 Refinance + 3 more
Flood Zone	Zone X (minimal risk)
APN	`242A-161`

Property Details

APN / Parcel Number

Primary APN	`242A-161`
Alternative APN	`CAMB M:0242A L:00161`

Interior

Bedrooms	5 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	3 Stories
Building Area	3,411 sqft Living Area
Gross Area	4,804 sqft
1st Floor Area	1,475 sqft
Attic	Attic
Attic Area	207 sqft
Basement Area	1,032 sqft
Unfinished Basement	1,032 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace
Central Vacuum	Central Vacuum

Exterior

Year Built	Built 1923
Effective Year Built	Effective 1923
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Brick
Roof Type	Gable
Roof Material	Slate
Lot Area	7,657 sqft (0.176 acres)
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Street Address	173 COOLIDGE HL
City	CAMBRIDGE
State	MA
Zip	02138-5507
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	A-1
Legal Subdivision	COOLIDGE HILL ASSOC INC
Legal Lot Number	161
Jurisdiction	CAMBRIDGE MA
Township / Civil Division	CAMBRIDGE
Census Block Group	2
Census Block	2017
Census Tract	354200

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	173 COOLIDGE HL, CAMBRIDGE, MA 02138-5507
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jun 1, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance GUARANTEED RATE INC
Oct 19, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance GUARANTEED RATE INC
Oct 19, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance GUARANTEED RATE INC
Jul 13, 2018	Quit Claim Deed, Transfer BLUE HILLS BANK
Dec 29, 2017	Deed of Trust, Mortgage · Line of Credit CAMBRIDGE TR

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 13, 2018 · Amount on Record
Deed Sale	Jul 13, 2018 · Amount on Record
Prior Sale	Aug 19, 2002 · Amount on Record
Deed Book / Page	71307 / 508
Transfer Doc	071307-508
Record Updated	Oct 29, 2026

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CAMBRIDGE MA
Property Address	173 COOLIDGE HL, CAMBRIDGE, MA 02138-5507
Transaction Type	Mortgage
Record Updated	Apr 3, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	077909-411
Date	Jun 1, 2021
Book Page	77909/411
Instrument	123816

Lender

Name	GUARANTEED RATE INC
Type	Non-Lending Institution

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	181 Months
Due	Jul 1, 2036

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CAMBRIDGE MA
Property Address	173 COOLIDGE HL, CAMBRIDGE, MA 02138-5507
Transaction Type	Mortgage
Record Updated	Apr 3, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	078938-576
Date	Oct 19, 2021
Book Page	78938/576
Instrument	228811

Lender

Name	GUARANTEED RATE INC
Type	Non-Lending Institution

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	181 Months
Due	Nov 1, 2036

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CAMBRIDGE MA
Property Address	173 COOLIDGE HL, CAMBRIDGE, MA 02138-5507
Transaction Type	Mortgage
Record Updated	Nov 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	78938-576
Date	Oct 19, 2021
Book Page	78938/576
Instrument	228811

Lender

Name	GUARANTEED RATE INC
Type	Non-Lending Institution

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	181 Months
Due	Nov 1, 2036

July 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CAMBRIDGE MA
Recording Date	Jul 13, 2018
Property Address	173 COOLIDGE HL, CAMBRIDGE, MA 02138-5507
Document Number	71307-508
Book / Page	71307 / 508
Instrument	103867
Transaction Type	Transfer
Record Updated	May 12, 2021

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$128.04
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	173 COOLIDGE HL, CAMBRIDGE, MA 02138-5507

Mortgage

Document Number	713070512
Date	Jul 13, 2018
Instrument	71307/0512

Lender

Name	BLUE HILLS BANK

Agreement

Amount	Amount Recorded
Term	180 Months
Due	Jul 13, 2033

December 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CAMBRIDGE MA
Property Address	173 COOLIDGE HL, CAMBRIDGE, MA 02138-5507
Document Number	70476-1
Book / Page	070476 / 000001
Instrument Date	Dec 29, 2017
Transaction Type	Mortgage
Record Updated	Jan 23, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	70476-1
Date	Jan 5, 2018
Book Page	070476/000001
Instrument	2103

Lender

Name	CAMBRIDGE TR

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	240 Months
Due	Jan 4, 2038

Interest

Rate Type	Adjustable Rate

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	$23,206.00 (+10.71%)	$3,654,500 (+3.21%) Land $1,330,000 Building $2,324,500	$3,862,890 (+3.7%)
2024	$20,962.00 (+9.44%)	$3,540,800 (+8.33%) Land $1,315,600 Building $2,225,200	$3,725,235
2023	$19,153.00	$3,268,500 Land $1,344,300 Building $1,924,200

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	9 in force
Nearby Flood Claims	2 (1990–2010)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Mar 2010 · Severe Storms And Flooding

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	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	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 127 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
AT&T Fixed Wireless	100 / 20

May also be available: T-Mobile, Verizon.

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