100 Keyes Rd, Apt 309, Concord, MA 01742 Property Records

Middlesex County and Concord Town property record for 100 Keyes Rd, Apt 309, Concord, MA 01742

Property Summary

Property Type	Condominium
Details	3 bd · 2 ba · 1,579 sqft · built 1952
Lot Size	4.42 acres (192,535 sqft)
Owner	2 Individual Names on File
Last Sale	$1,485,000 (Sep 2026)
Tax Bill	$12,514 (2026)
Deeds & Mortgages	Sep 2026 Sale Apr 2020 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`M:00009H B:01703-00309`

Property Details

APN / Parcel Number

Primary APN	`M:00009H B:01703-00309`
Alternative APNs	`CONC M:9H B:1703 L:309` `3213`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Units	132 Units
Stories	1 Story
Building Area	1,579 sqft Living Area
Gross Area	1,675 sqft

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	3213
Street Address	100 KEYES RD, 309
City	CONCORD
State	MA
Zip	01742-1654
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	B
Legal Subdivision	MILDAM SQUARE
Legal Block	1703
Legal Lot Number	309
Jurisdiction	CONCORD MA
Township / Civil Division	CONCORD
Census Block Group	1
Census Block	1013
Census Tract	361300

Owner

100 Keyes Rd, Apt 309 is owned and occupied by two individuals who bought it in September 2026.

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

Owner of Record	2 Individual Names on File
Mailing Address	100 KEYES RD, 309, CONCORD, MA 01742-1654
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Tenants by the Entirety

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
Sep 23, 2026	Condominium Deed, Transfer
Apr 10, 2020	Quit Claim Deed, Transfer · Stand-Alone First Mortgage EASTERN BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 23, 2026 · Amount on File
Deed Sale	Sep 23, 2026 · Amount on File
Prior Sale	Apr 10, 2020 · Amount on File
Deed Document Number	2026120585
Deed Book / Page	86168 / 88
Record Updated	Oct 29, 2026

September 2026: Condominium Deed, Transfer

Document Type	Condominium Deed
Jurisdiction	CONCORD MA
Recording Date	Sep 23, 2026
Property Address	100 KEYES RD, 309, CONCORD, MA 01742-1654
Document Number	0000120585
Book / Page	86168 / 88
Instrument Date	Sep 22, 2026
Instrument	2026120585
Transaction Type	Transfer
Record Updated	Oct 14, 2026

Transaction

Amount	Amount 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	100 KEYES RD, 309, CONCORD, MA 01742-1654

April 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONCORD MA
Recording Date	Apr 10, 2020
Property Address	100 KEYES RD APT 309, 309, CONCORD, MA 01742-1654
Document Number	74447-172
Book / Page	74447 / 172
Instrument Date	Mar 24, 2020
Instrument	53440
Transaction Type	Transfer
Record Updated	Feb 6, 2021

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	100 KEYES RD, CONCORD, MA 01742-1651

Mortgage

Document Number	53441
Date	Apr 10, 2020
Instrument	53441

Lender

Name	EASTERN BANK
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Type Change Date	May 1, 2030

Tax Assessment & Valuation

The 2026 property tax bill for 100 Keyes Rd, Apt 309 was $12,514, up 11,073.2% 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
2026	$12,514.00 (+11,073.21%)	$958,900 (+13.43%) Building $958,900	$1,057,015 (+11%)
2025	$112.00 (-99.08%)	$845,400 (-8.47%) Building $845,400	$952,280
2024	$12,127.00 (+6.58%)	$923,600 (+5.21%) Building $923,600
2023	$11,378.00	$877,900 Building $877,900

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

Flood

FEMA maps place 100 Keyes Rd, Apt 309 in Zone X, an area of moderate 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 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 File 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

Wildfire risk around 100 Keyes Rd, Apt 309 is low, with a 0.01% annual chance of 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)

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