21 Blackbird Rd, Marstons Mills, MA 02648 Property Records

Barnstable County and Barnstable Town City property record for 21 Blackbird Rd, Marstons Mills, MA 02648

Property Summary

Property Type	Single Family Home
Details	2 bd · 2.5 ba · 1,736 sqft · built 1989
Lot Size	0.35 acres (15,246 sqft)
Owner	2 Individual Names on File
Last Sale	$635,000 (Dec 2022)
Tax Bill	$4,984 (2025)
Deeds & Mortgages	Oct 2025 Mortgage Dec 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`MMIL M:151 L:008015`

Property Details

APN / Parcel Number

Primary APN	`MMIL M:151 L:008015`
Alternative APN	`371519`

Interior

Bedrooms	2 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	5 Rooms
Stories	2 Stories
Building Area	1,736 sqft Living Area
Gross Area	4,036 sqft

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1989
Architectural Style	Cape Cod
Exterior Material	Wood Siding
Roof Type	Gable
Roof Material	Asphalt
Lot Area	15,246 sqft (0.35 acres)

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	371519
Street Address	21 BLACKBIRD RD
City	MARSTONS MILLS
State	MA
Zip	02648-2135
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	1
Legal Subdivision	FIRST OLD STAGE TRUST
Legal Lot Number	8015
Jurisdiction	BARNSTABLE MA
Township / Civil Division	BARNSTABLE TOWN
Census Block Group	3
Census Block	3015
Census Tract	13100

Owner

21 Blackbird Rd is owned and occupied by two individuals who bought it in December 2022.

Source: Barnstable County and Barnstable Town City records, as of July 20, 2026

Owner of Record	2 Individual Names on File
Mailing Address	21 BLACKBIRD RD, MARSTONS MILLS, MA 02648-2135
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

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
Oct 31, 2025	Deed of Trust, Mortgage KEYSTONE FUNDING
Dec 16, 2022	Quit Claim Deed, Transfer · Stand-Alone First Mortgage E MORTGAGE MANAGEMENT LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 16, 2022 · Amount on File
Deed Sale	Dec 16, 2022 · Amount on File
Prior Sale	Apr 24, 1991 · Amount on File
Deed Book / Page	35547 / 183
Record Updated	Oct 29, 2026

October 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARSTONS MILLS MA
Property Address	21 BLACKBIRD RD, MARSTONS MILLS, MA 02648-2135
Transaction Type	Mortgage
Record Updated	Nov 20, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	037280-220
Date	Oct 31, 2025
Book Page	37280/220
Instrument	45222

Lender

Name	KEYSTONE FUNDING

Agreement

Amount	Amount on Record
Term	241 Months
Due	Nov 1, 2045

December 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARSTONS MILLS MA
Recording Date	Dec 16, 2022
Property Address	21 BLACKBIRD RD, MARSTONS MILLS, MA 02648-2135
Document Number	035547-183
Book / Page	35547 / 183
Instrument Date	Dec 16, 2022
Instrument	61929
Transaction Type	Transfer
Record Updated	Nov 20, 2025

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	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants by the Entirety
Address	21 BLACKBIRD RD, MARSTONS MILLS, MA 02648-2135

Mortgage

Document Number	0000061930
Date	Dec 16, 2022
Instrument	61930

Lender

Name	E MORTGAGE MANAGEMENT LLC

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 21 Blackbird Rd was $4,984, up 7.9% from the year before.

Source: Barnstable County and Barnstable Town City assessment roll, as of May 27, 2026

Property Jurisdictions

Type	Name
State	Massachusetts
County	Barnstable County
Municipality	Barnstable Town City
Unified School District	Barnstable School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$4,984.00 (+7.88%)	$616,100 (+4.14%) Land $152,200 Building $463,900	$703,380
2024	$4,620.00 (+3.84%)	$591,600 (+10.89%) Land $152,200 Building $439,400
2023	$4,449.00	$533,500 Land $138,400 Building $395,100

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

Flood

FEMA maps place 21 Blackbird Rd in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 1, 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

Wildfire risk around 21 Blackbird Rd is low, with less than 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 95% of the US · lower than 90% of Massachusetts
Wildfire Likelihood	Under 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	CENTERVILLE OSTERVILLE MARSTONS MILLS WD serves 50,000 people · EPA ID MA4020002
Water Source	Groundwater
Last State Inspection	Jun 2025
Lead	2 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	31 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 112 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
T-Mobile Fixed Wireless	100 / 20

May also be available: Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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