21 Riverside Ave, Concord, MA 01742 Property Records

Middlesex County and Concord Town property record for 21 Riverside Ave, Concord, MA 01742

Property Summary

Property Type	Single Family Home
Details	5 bd · 4.5 ba · 3,641 sqft · built 2010
Lot Size	0.3 acres (13,050 sqft)
Owner	2 Trust Names on File
Last Sale	$1,200,000 (Dec 2010)
Tax Bill	$224 (2025)
Deeds & Mortgages	Jan 2018 Line of Credit Apr 2021 Refinance + 2 more
Flood Zone	Zone X (minimal risk)
APN	`M:00010D B:02468-00001`

Property Details

APN / Parcel Number

Primary APN	`M:00010D B:02468-00001`
Alternative APNs	`CONC M:10D B:2468 L:1` `10563`

Interior

Bedrooms	5 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,641 sqft Living Area
Gross Area	6,874 sqft

Exterior

Year Built	Built 2010
Effective Year Built	Effective 2010
Architectural Style	Colonial
Exterior Material	Wood Siding
Roof Type	Gable
Roof Material	Asphalt
Lot Area	13,050 sqft (0.3 acres)

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	10563
Street Address	21 RIVERSIDE AVE
City	CONCORD
State	MA
Zip	01742-3026
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	CONCORD JUCTION
Legal Block	2468
Legal Lot Number	1
Jurisdiction	CONCORD MA
Township / Civil Division	CONCORD
Census Block Group	2
Census Block	2001
Census Tract	361200

Owner

21 Riverside Ave is owner-occupied and held in a trust since June 2021.

Source: Middlesex County and Concord Town records, as of April 14, 2026

Owner of Record	2 Trust Names on File
Mailing Address	21 RIVERSIDE AVE, CONCORD, MA 01742-3026
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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 5, 2018	Deed of Trust, Mortgage · Line of Credit TD BANK NA
Apr 9, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance HANSCOM FCU
May 3, 2021	Deed of Trust, Mortgage · Line of Credit HANSCOM FCU
Jul 15, 2021	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 20, 2010 · Amount on File
Deed Sale	Dec 20, 2010 · Amount on File
Deed Document Number	2010235943
Deed Book / Page	56098 / 477
Last Transfer Date	Jun 11, 2021
Transfer Doc	078246-388
Record Updated	Jun 8, 2026

January 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONCORD MA
Property Address	21 RIVERSIDE AVE, CONCORD, MA 01742-3026
Transaction Type	Mortgage
Record Updated	Jan 17, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	070474-427
Date	Jan 5, 2018
Book Page	70474/427
Instrument	1970

Lender

Name	TD BANK NA
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	348 Months
Due	Jan 1, 2047

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONCORD MA
Property Address	21 RIVERSIDE AVE, CONCORD, MA 01742-3026
Transaction Type	Mortgage
Record Updated	Jan 17, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0077478-71
Date	Apr 9, 2021
Book Page	77478/71
Instrument	80967

Lender

Name	HANSCOM FCU
Type	Credit Union

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	181 Months
Due	May 1, 2036

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONCORD MA
Property Address	21 RIVERSIDE AVE, CONCORD, MA 01742-3026
Transaction Type	Mortgage
Record Updated	Jan 17, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0077669-63
Date	May 3, 2021
Book Page	77669/63
Instrument	99497

Lender

Name	HANSCOM FCU
Type	Credit Union

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2051

Interest

Rate Type	Adjustable Rate

July 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONCORD MA
Recording Date	Jul 15, 2021
Property Address	21 RIVERSIDE AVE, CONCORD, MA 01742-3026
Document Number	078246-388
Book / Page	78246 / 388
Instrument Date	Jun 11, 2021
Instrument	159060
Transaction Type	Transfer
Record Updated	Jan 17, 2022

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21 RIVERSIDE AVE, CONCORD, MA 01742-3026

Tax Assessment & Valuation

The 2025 property tax bill for 21 Riverside Ave was $224, down 99% from the year before.

Source: Middlesex County and Concord Town assessment roll, as of April 14, 2026

Property Jurisdictions

Type	Name
State	Massachusetts
County	Middlesex County
County Subdivision	Concord Town
Elementary School District	Concord School District (PK - 08)
Secondary School District	Concord-Carlisle School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$224.00 (-98.98%)	$1,692,700 (+1.27%) Land $398,300 Building $1,294,400	$1,644,735
2024	$21,947.00 (+20.27%)	$1,671,500 (+18.71%) Land $398,300 Building $1,273,200
2023	$18,248.00	$1,408,000 Land $398,300 Building $1,009,700

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

Flood

FEMA maps place 21 Riverside Ave in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	20 units insured incl. 16 condo units
Nearby Flood Claims	2 (1990–2010)
Most Recent Claim	Mar 2010 · Severe Storms And Flooding

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 21 Riverside Ave 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	CONCORD WATER DEPT serves 18,788 people · EPA ID MA3067000
Water Source	Surface water
Last State Inspection	Aug 2024
Lead	5 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

Water Quality	Bromate resolved · Jul 2022
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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 282 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Concord Light Broadband Fiber	1,000 / 1,000
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile.

Nearby Properties on Riverside Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures