91 Summit St, Waltham, MA 02451 Property Records

Middlesex County and Waltham City property record for 91 Summit St, Waltham, MA 02451

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,365 sqft · built 1920
Lot Size	0.19 acres (8,259 sqft)
Owner	2 Individual Names on Record
Last Sale	$989,900 (Aug 2020)
Tax Bill	$11,617 (2026)
Deeds & Mortgages	Aug 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`108671`

Property Details

APN / Parcel Number

Primary APN	`108671`
Alternative APN	`WALT M:049 B:003 L:0014`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,365 sqft Living Area
Gross Area	3,580 sqft
Basement Area	1,132 sqft
Unfinished Basement	113 sqft

Exterior

Year Built	Built 1920
Effective Year Built	Effective 2014
Architectural Style	Colonial
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	8,259 sqft (0.19 acres)
Garage Type	Basement
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Account Number	108671
Street Address	91 SUMMIT ST
City	WALTHAM
State	MA
Zip	02451-2969
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	1
Legal Block	3
Legal Lot Number	14
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	2
Census Block	2002
Census Tract	368200

Owner

Source: Middlesex County and Waltham City records, as of October 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	91 SUMMIT ST, WALTHAM, MA 02451-2969
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 20, 2020 · Amount on Record
Deed Sale	Aug 20, 2020 · Amount on Record
Prior Sale	Aug 27, 2015 · Amount on Record
Deed Book / Page	75415 / 166
Prior Transfer Date	Jul 7, 2020
Prior Transfer Doc	75415-166
Record Updated	Oct 29, 2026

August 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WALTHAM MA
Recording Date	Aug 20, 2020
Property Address	91 SUMMIT ST, WALTHAM, MA 02451-2969
Document Number	75415-166
Book / Page	75415 / 166
Instrument Date	Jul 7, 2020
Instrument	142826
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
Relationship	Tenants by the Entirety
Address	91 SUMMIT ST, WALTHAM, MA 02451-2969

Mortgage

Document Number	142827
Date	Aug 20, 2020
Instrument	142827

Lender

Name	LEADER BANK NA
Type	Bank

Agreement

Type	Stand-Alone First 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	Tax Bill	Assessed Value	Assessed Market Value
2026	$11,617.00 (+6.06%)	$1,125,700 (+0.92%) Land $433,800 Building $691,900	$1,284,652 (+10.69%)
2025	$10,953.00 (+2.65%)	$1,115,400 (+0.78%) Land $413,200 Building $702,200	$1,160,615 (+0.46%)
2024	$10,670.00 (+1.22%)	$1,106,800 (+8.36%) Land $413,200 Building $693,600	$1,155,295
2023	$10,541.00	$1,021,400 Land $374,900 Building $646,500

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
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

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

Provider	Max Down / Up (Mbps)
Verizon Fiber	2,300 / 2,300
Xfinity Cable	2,000 / 2,000
Astound Broadband Cable	1,500 / 50

Cell Coverage

5G (outdoors only) and 4G LTE

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