229 River St, #231, Waltham, MA 02453 Property Records

Middlesex County and Waltham City property record for 229 River St, #231, Waltham, MA 02453 · Last verified April 2026

Property Summary

Property Type	Duplex
Details	4 bd · 2.5 ba · 3,124 sqft · built 1920
Lot Size	0.109 acres (4,735 sqft)
Owner	2 Individual Names on File
Last Sale	$880,000 (Jul 2025)
Tax Bill	$9,634 (2025)
Deeds & Mortgages	Jul 2025 Sale & Refinance
Flood Zone	Zone X (minimal risk)
APN	`96210`

Property Details

APN / Parcel Number

Primary APN	`96210`
Alternative APN	`WALT M:070 B:008 L:0002`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Units	2 Units
Stories	2 Stories
Building Area	3,124 sqft Living Area
Gross Area	5,068 sqft
Basement Area	1,640 sqft
Unfinished Basement	1,640 sqft

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1920
Architectural Style	Duplex Single
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	4,735 sqft (0.109 acres)

Utilities, Heating & Cooling

Heating System	Steam
Heating Fuel	Oil

Location & Zoning

Account Number	96210
Street Address	229 RIVER ST, 231
City	WALTHAM
State	MA
Zip	02453-6031
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Block	8
Legal Lot Number	2
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	4
Census Block	4010
Census Tract	368800

Owner

Source: Middlesex County and Waltham City records · APN 96210

Assessment roll updated April 14, 2026 · Last verified April 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 File
Mailing Address	10729 SE 188TH ST, RENTON, WA 98055-6438
Owner Type	Individual
Vesting	Tenants by the Entirety

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 10, 2025 · Amount on Record
Deed Sale	Jul 10, 2025 · Amount on Record
Deed Book / Page	84342 / 368
Record Updated	Jun 08, 2026

July 2025: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WALTHAM MA
Recording Date	Jul 10, 2025
Property Address	229 RIVER ST # 231, 231, WALTHAM, MA 02453-6031
Document Number	084342-368
Book / Page	84342 / 368
Instrument Date	Jul 09, 2025
Instrument	80321
Transaction Type	Transfer
Record Updated	Nov 19, 2025

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
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	10729 SE 188TH ST, RENTON, WA 98055-6438

Mortgage

Document Number	0000080322
Date	Jul 10, 2025
Instrument	80322

Lender

Name	MLD MORTGAGE INC
Type	Mortgage Company

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	361 Months
Due	Aug 01, 2055

Tax Assessment & Valuation

Source: Middlesex County and Waltham City records · Assessment roll updated April 14, 2026 · Last verified April 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

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

Year	Tax Bill	Assessed Value
2025	$9,634.00 (+9.2%)	$981,100 (+7.21%) Land $337,600 Building $643,500
2024	$8,822.00	$915,100 Land $337,600 Building $577,500

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), updated September 10, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No
Nearest Special Flood Hazard Area	Zone AE, within 500 ft

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

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