70 Alder St, Waltham, MA 02453 Property Records

Middlesex County and Waltham City property record for 70 Alder St, Waltham, MA 02453

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 2,418 sqft · built 1920
Lot Size	0.168 acres (7,309 sqft)
Owner	Individual Name on File
Last Sale	$415,000 (Dec 2013)
Tax Bill	$7,532 (2026)
Deeds & Mortgages	Jun 2025 Line of Credit Sep 2021 Refinance + 4 more
Flood Zone	Zone X (minimal risk)
APN	`WALT M:069 B:036 L:0028`

Property Details

APN / Parcel Number

Primary APN	`WALT M:069 B:036 L:0028`
Alternative APN	`2035`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	2,418 sqft Living Area
Gross Area	3,938 sqft
Basement Area	1,142 sqft
Unfinished Basement	1,142 sqft

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1920
Architectural Style	Other
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Hip
Roof Material	Asphalt
Lot Area	7,309 sqft (0.168 acres)

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Account Number	2035
Street Address	70 ALDER ST
City	WALTHAM
State	MA
Zip	02453-0527
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	1
Legal Block	36
Legal Lot Number	28
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	5
Census Block	5000
Census Tract	368600

Owner

70 Alder St is owned by an individual who acquired it in June 2019.

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

Owner of Record	Individual Name on File
Mailing Address	178 MILL ST, NATICK, MA 01760-3243
Owner Type	Individual

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
Jun 24, 2025	Deed of Trust, Mortgage · Line of Credit CORNERSTONE BANK
Sep 14, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance HARBORONE MORTGAGE
Sep 14, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance HARBORONE MORTGAGE
Aug 4, 2017	Deed of Trust, Mortgage SALEM FIVE MTG CO
Oct 16, 2019	Deed of Trust, Mortgage · Balloon Mortgage ENVISION BANK
Jun 21, 2019	Quit Claim Deed, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 4, 2013 · Amount on File
Deed Sale	Dec 4, 2013 · Amount on File
Deed Book / Page	63018 / 336
Last Transfer Date	Jun 20, 2019
Transfer Doc	72805-416
Record Updated	Oct 29, 2026

June 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	70 ALDER ST, WALTHAM, MA 02453-0527
Transaction Type	Mortgage
Record Updated	Apr 3, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	084263-204
Date	Jun 24, 2025
Book Page	84263/204
Instrument	71456

Lender

Name	CORNERSTONE BANK
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	301 Months
Due	Jul 1, 2050

Interest

Rate Type	Adjustable Rate

September 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	70 ALDER ST, WALTHAM, MA 02453-0527
Transaction Type	Mortgage
Record Updated	Apr 3, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0078687-69
Date	Sep 14, 2021
Book Page	78687/69
Instrument	203688

Lender

Name	HARBORONE MORTGAGE

Agreement

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

September 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	70 ALDER ST, WALTHAM, MA 02453-0527
Transaction Type	Mortgage
Record Updated	Oct 1, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	78687-69
Date	Sep 14, 2021
Book Page	78687/69
Instrument	203688

Lender

Name	HARBORONE MORTGAGE

Agreement

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

August 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	70 ALDER ST, WALTHAM, MA 02453-0527
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	69730-268
Date	Aug 4, 2017
Book Page	69730/268
Instrument	125166

Lender

Name	SALEM FIVE MTG CO

Agreement

Amount	Amount on Record
Term	360 Months
Due	Aug 1, 2047

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	70 ALDER ST, WALTHAM, MA 02453-0527
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	73467-128
Date	Oct 16, 2019
Book Page	73467/128
Instrument	159202

Lender

Name	ENVISION BANK

Agreement

Type	Balloon Mortgage
Amount	Amount on Record
Term	301 Months
Due	Nov 1, 2044

June 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WALTHAM MA
Recording Date	Jun 21, 2019
Property Address	70 ALDER ST, WALTHAM, MA 02453-0527
Document Number	72805-416
Book / Page	072805 / 000416
Instrument Date	Jun 20, 2019
Instrument	86325
Transaction Type	Transfer
Record Updated	Jul 9, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	178 MILL ST NATICK MA 017603243, NATICK, MA 01760-3243

Tax Assessment & Valuation

The 2026 property tax bill for 70 Alder St was $7,532, up 9.1% 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	$7,532.00 (+9.06%)	$729,800 (+3.77%) Land $414,900 Building $314,900	$860,439 (-2.65%)
2025	$6,906.00 (+2.19%)	$703,300 (+0.33%) Land $376,800 Building $326,500	$883,880 (+17.59%)
2024	$6,758.00 (+2.67%)	$701,000 (+9.91%) Land $376,800 Building $324,200	$751,640
2023	$6,582.00	$637,800 Land $343,300 Building $294,500

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

Flood

FEMA maps place 70 Alder St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 10, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 70 Alder 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 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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