100 Keyes Rd, Apt 411, Concord, MA 01742 Property Records

Middlesex County and Concord Town property record for 100 Keyes Rd, Apt 411, Concord, MA 01742

Property Summary

Property Type	Condominium
Details	2 bd · 2 ba · 1,786 sqft · built 1952
Lot Size	4.42 acres (192,535 sqft)
Owner	2 Individual Names on Record
Last Sale	$615,000 (Mar 2018)
Tax Bill	$13,027 (2026)
Deeds & Mortgages	Dec 2020 Refinance Mar 2018 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`M:00009H B:01703-00411`

Property Details

APN / Parcel Number

Primary APN	`M:00009H B:01703-00411`
Alternative APNs	`CONC M:9H B:1703 L:411` `3225`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Units	132 Units
Stories	2 Stories
Building Area	1,786 sqft Living Area

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1955
Architectural Style	Condo/Apartment
Exterior Material	Brick
Roof Type	Flat
Roof Material	Rolled Roofing
Lot Area	192,535 sqft (4.42 acres)
Garage Type	Basement

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	3225
Street Address	100 KEYES RD, 411
City	CONCORD
State	MA
Zip	01742-1655
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	B
Legal Subdivision	MILLDAM SQUARE CONDO
Legal Block	1703
Legal Lot Number	411
Jurisdiction	CONCORD MA
Township / Civil Division	CONCORD
Census Block Group	1
Census Block	1013
Census Tract	361300

Owner

Source: Middlesex County and Concord Town records, as of October 20, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on Record
Mailing Address	100 KEYES RD, 411, CONCORD, MA 01742-1655
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

Deeds, Mortgages & Sale History

Date	Document
Dec 21, 2020	Deed of Trust, Mortgage · Stand-Alone Refinance HARVARD UNIVERSITY CREDIT UNION
Mar 30, 2018	Quit Claim Deed, Transfer · Conventional with PMI HARVARD UNIV CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 30, 2018 · Amount on Record
Deed Sale	Mar 30, 2018 · Amount on Record
Prior Sale	Jun 12, 2007 · Amount on Record
Deed Book / Page	70809 / 549
Transfer Doc	070809-549
Record Updated	Oct 29, 2026

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONCORD MA
Property Address	100 KEYES RD APT 411, 411, CONCORD, MA 01742-1655
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	76480-256
Date	Dec 21, 2020
Book Page	76480/256
Instrument	243300

Lender

Name	HARVARD UNIVERSITY CREDIT UNION

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	181 Months
Due	Jan 1, 2036

March 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONCORD MA
Recording Date	Mar 30, 2018
Property Address	100 KEYES RD APT 411, 411, CONCORD, MA 01742-1655
Document Number	70809-549
Book / Page	070809 / 000549
Instrument Date	Mar 28, 2018
Instrument	43426
Transaction Type	Transfer
Record Updated	Apr 17, 2018

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$2,804.40
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	100 KEYES RD #4511 CONCORD MA 017421651, 4511, CONCORD, MA 01742-1651

Mortgage

Document Number	70809-552
Date	Mar 30, 2018
Book Page	070809/000552
Instrument	43427

Lender

Name	HARVARD UNIV CU
Type	Credit Union

Agreement

Type	Conventional with PMI
Amount	Amount Recorded
Term	360 Months
Due	Mar 29, 2048

Tax Assessment & Valuation

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
2026	$13,027.00 (+11,130.17%)	$998,200 (+13.43%) Building $998,200	$1,023,780 (+19.51%)
2025	$116.00 (-99.08%)	$880,000 (-8.47%) Building $880,000	$856,615
2024	$12,623.00 (+1.33%)	$961,400 (+0.02%) Building $961,400
2023	$12,457.00	$961,200 Building $961,200

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 14 policies
Nearby Flood Policies	14 in force
Nearby Flood Claims	10 (1979–2010)
Claims Outside the SFHA	1 of 10
Most Recent Claim	Mar 2010 · Severe Storms And Flooding
Claims by Event	Severe Storms And Flooding, Mar 2010 · 5 claims Severe Storms & Flooding, Apr 1987 · 2 claims

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	Low lower than 80% of the US · above 57% of Massachusetts
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond 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 48 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
T-Mobile Fixed Wireless	100 / 20

May also be available: Verizon.

Cell Coverage

5G and 4G LTE (outdoors only)

Nearby Properties on Keyes Rd

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

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