20 High St, Waltham, MA 02453 Property Records

Middlesex County and Waltham City property record for 20 High St, Waltham, MA 02453

Property Summary

Property Type	Mixed Use Commercial Office / Residential
Details	4 bd · 4 ba · 7,166 sqft · built 1890
Lot Size	0.186 acres (8,107 sqft)
Owner	Company Name on Record
Last Sale	$1,200,000 (May 2020)
Deeds & Mortgages	Oct 2023 Sale May 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`53587`

Property Details

APN / Parcel Number

Primary APN	`53587`
Alternative APN	`WALT M:069 B:030 L:0020`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Half Baths	2 Half Baths
Total Rooms	11 Rooms
Units	7 Units
Stories	3 Stories
Building Area	7,166 sqft Total Area
Gross Area	9,313 sqft
Basement Area	1,980 sqft
Unfinished Basement	1,485 sqft

Exterior

Year Built	Built 1890
Effective Year Built	Effective 1890
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Mansard
Roof Material	Slate
Lot Area	8,107 sqft (0.186 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Steam
Heating Fuel	Oil

Location & Zoning

Account Number	53587
Street Address	20 HIGH ST
City	WALTHAM
State	MA
Zip	02453-0574
Property Category	Commercial
Property Type	Commercial > Office > Mixed Use Commercial Office / Residential
Legal Block	30
Legal Lot Number	20
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	2
Census Block	2001
Census Tract	368500

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	1408 BEACON ST, BROOKLINE, MA 02446-2089
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Oct 20, 2023	Redemption Deed, Transfer
May 6, 2020	Quit Claim Deed, Transfer · Commercial Mortgage MIDDLESEX FSLA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 6, 2020 · Amount on Record
Deed Sale	May 6, 2020 · Amount on Record
Prior Sale	May 24, 2002 · Amount on Record
Deed Document Number	202067716
Deed Book / Page	74613 / 524
Last Transfer Date	Sep 19, 2023
Transfer Doc	082120-568
Record Updated	Oct 29, 2026

October 2023: Redemption Deed, Transfer

Document Type	Redemption Deed
Jurisdiction	WALTHAM MA
Recording Date	Oct 20, 2023
Property Address	20 HIGH ST, WALTHAM, MA 02453-0574
Document Number	082120-568
Book / Page	82120 / 568
Instrument Date	Sep 19, 2023
Instrument	119536
Transaction Type	Transfer
Record Updated	Nov 3, 2023

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

May 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WALTHAM MA
Recording Date	May 6, 2020
Property Address	20 HIGH ST, WALTHAM, MA 02453-0574
Document Number	74613-524
Book / Page	74613 / 524
Instrument Date	May 4, 2020
Instrument	67716
Transaction Type	Transfer
Record Updated	May 12, 2021

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
Address	375 HARVARD ST, BROOKLINE, MA 02446-2998

Mortgage

Document Number	67717
Date	May 6, 2020
Instrument	67717

Lender

Name	MIDDLESEX FSLA
Type	Lending Institution

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

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	Assessed Value
2025	$1,609,600 (+14.24%) Land $288,400 Building $1,321,200
2024	$1,409,000 (+15.21%) Land $262,400 Building $1,146,600
2023	$1,223,000 Land $238,500 Building $984,500

Assessed value is set for property tax purposes and is not a market price estimate.

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
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	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 812 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 · Fiber in parts of the area	1,500 / 50
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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