10 Coolidge Hill Rd, Cambridge, MA 02138 Property Records

Middlesex County and Cambridge City property record for 10 Coolidge Hill Rd, Cambridge, MA 02138

Property Summary

Property Type	Single Family Home
Details	5 bd · 4.5 ba · 4,536 sqft · built 1806
Lot Size	0.413 acres (17,993 sqft)
Owner	2 Company Names on Record
Last Sale	$3,600,000 (Jan 2018)
Tax Bill	$28,626 (2025)
Deeds & Mortgages	Mar 2021 Refinance Mar 2021 Line of Credit + 2 more
Flood Zone	Zone X (minimal risk)
APN	`242A-149`

Property Details

APN / Parcel Number

Primary APN	`242A-149`
Alternative APN	`CAMB M:0242A L:00149`

Interior

Bedrooms	5 Beds
Full Baths	4.5 Baths
Half Baths	3 Half Baths
Total Rooms	9 Rooms
Stories	3 Stories
Building Area	4,536 sqft Living Area
Gross Area	7,406 sqft
1st Floor Area	1,896 sqft
Basement Area	1,760 sqft
Unfinished Basement	1,760 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1806
Effective Year Built	Effective 1806
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Brick
Roof Type	Hip
Roof Material	Asphalt
Lot Area	17,993 sqft (0.413 acres)
Garage Type	Covered
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Street Address	10 COOLIDGE HILL RD
City	CAMBRIDGE
State	MA
Zip	02138-5510
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	A-2
Legal Lot Number	149
Jurisdiction	CAMBRIDGE MA
Township / Civil Division	CAMBRIDGE
Census Block Group	2
Census Block	2017
Census Tract	354200

Historic Designation

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

Individually Listed	Orne, Sarah, House listed 1983 · 1 contributing resources · NRIS 83000822

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

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 Company Names on Record
Mailing Address	10 COOLIDGE HILL RD, CAMBRIDGE, MA 02138-5510
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Mar 22, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance CAMBRIDGE TRUST CO
Mar 22, 2021	Deed of Trust, Mortgage · Line of Credit CAMBRIDGE TRUST CO
Sep 7, 2018	Deed of Trust, Mortgage · Conventional Mortgage CAMBRIDGE TR
Jan 5, 2018	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 5, 2018 · Amount on Record
Deed Sale	Jan 5, 2018 · Amount on Record
Prior Sale	Dec 21, 2012
Transfer Doc	70477-85
Record Updated	Oct 29, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CAMBRIDGE MA
Property Address	10 COOLIDGE HILL RD, CAMBRIDGE, MA 02138-5510
Transaction Type	Mortgage
Record Updated	Apr 9, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	77293-153
Date	Mar 22, 2021
Book Page	77293/153
Instrument	63301

Lender

Name	CAMBRIDGE TRUST CO
Type	Bank

Agreement

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

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CAMBRIDGE MA
Property Address	10 COOLIDGE HILL RD, CAMBRIDGE, MA 02138-5510
Transaction Type	Mortgage
Record Updated	Apr 9, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	77293-167
Date	Mar 22, 2021
Book Page	77293/167
Instrument	63302

Lender

Name	CAMBRIDGE TRUST CO
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	241 Months
Due	Apr 1, 2041

Interest

Rate Type	Adjustable Rate

September 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CAMBRIDGE MA
Property Address	10 COOLIDGE HILL RD, CAMBRIDGE, MA 02138-5510
Document Number	71607-38
Instrument Date	Sep 7, 2018
Transaction Type	Mortgage
Record Updated	Oct 2, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	10 COOLIDGE HILL RD CAMBRIDGE MA 021385510, CAMBRIDGE, MA 02138-5510

Mortgage

Document Number	71607-38
Date	Sep 12, 2018
Book Page	071607/000038
Instrument	141022

Lender

Name	CAMBRIDGE TR

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	120 Months
Due	Sep 11, 2028

January 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CAMBRIDGE MA
Recording Date	Jan 5, 2018
Property Address	10 COOLIDGE HILL RD, CAMBRIDGE, MA 02138-5510
Document Number	70477-85
Book / Page	070477 / 000085
Instrument Date	Dec 22, 2017
Instrument	2235
Transaction Type	Transfer
Record Updated	Jan 23, 2018

Transaction

Amount	Amount Recorded
Tax	$16,416.00
Amount Accuracy	Confirmed
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	10 COTTING HILL RD CAMBRIDGE MA 02138, CAMBRIDGE, MA 02138

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	$28,626.00 (+11.28%)	$4,508,100 (+3.74%) Land $1,981,000 Building $2,527,100	$5,098,745 (+3.32%)
2024	$25,725.00 (+8.46%)	$4,345,400 (+7.36%) Land $1,959,500 Building $2,385,900	$4,935,060
2023	$23,718.00	$4,047,500 Land $2,002,400 Building $2,045,100

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	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 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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