27 Leonard St, Waltham, MA 02451 Property Records

Middlesex County and Waltham City property record for 27 Leonard St, Waltham, MA 02451

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,054 sqft · built 1900
Lot Size	0.175 acres (7,606 sqft)
Owner	2 Individual Names on File
Last Sale	$665,000 (Jul 2018)
Tax Bill	$8,102 (2026)
Deeds & Mortgages	Jan 2021 Refinance Oct 2019 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`63497`

Property Details

APN / Parcel Number

Primary APN	`63497`
Alternative APN	`WALT M:050 B:013 L:0041`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	3 Stories
Building Area	2,054 sqft Living Area
Gross Area	3,562 sqft
Basement Area	812 sqft
Unfinished Basement	812 sqft

Exterior

Year Built	Built 1900
Effective Year Built	Effective 1900
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	7,606 sqft (0.175 acres)
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	63497
Street Address	27 LEONARD ST
City	WALTHAM
State	MA
Zip	02451-3758
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	1
Legal Block	13
Legal Lot Number	41
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	2
Census Block	2010
Census Tract	368200

Owner

27 Leonard St is owned and occupied by two individuals who bought it in July 2018.

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

Owner of Record	2 Individual Names on File
Mailing Address	27 LEONARD ST, WALTHAM, MA 02451-3758
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

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
Jan 11, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance GUARANTEED RATE INC
Oct 7, 2019	Deed of Trust, Mortgage · Conventional Mortgage GUARANTEED RATE
Jul 13, 2018	Quit Claim Deed, Transfer · Conventional Mortgage GUARANTEED RATE
May 30, 2018	Deed of Trust, Mortgage · Line of Credit QUICKEN LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 13, 2018 · Amount on File
Deed Sale	Jul 13, 2018 · Amount on File
Prior Sale	Nov 24, 1992 · Amount on File
Deed Book / Page	71314 / 580
Transfer Doc	071314-580
Record Updated	Oct 29, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	27 LEONARD ST, WALTHAM, MA 02451-3758
Transaction Type	Mortgage
Record Updated	Apr 2, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Investor	Possibly a Property Investor

Mortgage

Document Number	0076662-17
Date	Jan 11, 2021
Book Page	76662/17
Instrument	5954

Lender

Name	GUARANTEED RATE INC
Type	Non-Lending Institution

Agreement

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

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	27 LEONARD ST, WALTHAM, MA 02451-3758
Document Number	73446-77
Instrument Date	Oct 7, 2019
Transaction Type	Mortgage
Record Updated	Oct 29, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	27 LEONARD ST WALTHAM MA 024513758, WALTHAM, MA 02451-3758

Mortgage

Document Number	73446-77
Date	Oct 11, 2019
Book Page	073446/000077
Instrument	156978

Lender

Name	GUARANTEED RATE

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Oct 10, 2049

Interest

Rate Type	Adjustable Rate

July 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WALTHAM MA
Recording Date	Jul 13, 2018
Property Address	27 LEONARD ST, WALTHAM, MA 02451-3758
Document Number	71314-580
Book / Page	071314 / 000580
Instrument Date	Jul 2, 2018
Instrument	104699
Transaction Type	Transfer
Record Updated	Jul 31, 2018

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$3,032.40
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	27 LEONARD ST WALTHAM MA 024513758, WALTHAM, MA 02451-3758

Mortgage

Document Number	71315-1
Date	Jul 13, 2018
Book Page	071315/000001
Instrument	104700

Lender

Name	GUARANTEED RATE

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jul 12, 2048

Interest

Rate	4%

May 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	27 LEONARD ST, WALTHAM, MA 02451-3758
Document Number	71109-260
Instrument Date	May 30, 2018
Transaction Type	Mortgage
Record Updated	Jun 26, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	27 LEONARD ST WALTHAM MA 024513758, WALTHAM, MA 02451-3758

Mortgage

Document Number	71109-260
Date	Jun 5, 2018
Book Page	071109/000260
Instrument	79568

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Jun 4, 2048

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2026 property tax bill for 27 Leonard St was $8,102, up 11.7% from the year before.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$8,102.00 (+11.69%)	$785,100 (+6.28%) Land $426,400 Building $358,700	$886,730 (-2.25%)
2025	$7,254.00 (+2.36%)	$738,700 (+0.48%) Land $406,100 Building $332,600	$907,155 (+4.26%)
2024	$7,087.00 (+1.3%)	$735,200 (+8.45%) Land $406,100 Building $329,100	$870,105
2023	$6,996.00	$677,900 Land $368,500 Building $309,400

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

Flood

FEMA maps place 27 Leonard St in Zone X, an area of minimal flood risk.

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
Nearby Flood Policies	7 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

The area around 27 Leonard St 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	WALTHAM WATER DEPARTMENT serves 65,218 people · EPA ID MA3308000
Water Source	Purchased surface water from MWRA
Last State Inspection	Jun 2024
Lead	2 ppb (2025) action level 15 ppb

Violations Reported to EPA

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

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
Xfinity Cable	2,000 / 2,000
Astound Broadband Cable	1,500 / 50

May also be available: T-Mobile.

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