21 Monument Ave, Onset, MA 02558 Property Records

Plymouth County and Wareham Town property record for 21 Monument Ave, Onset, MA 02558

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 640 sqft · built 1991
Lot Size	0.059 acres (2,563 sqft)
Owner	Individual Name on Record
Last Sale	$143,000 (May 2024)
Tax Bill	$2,656 (2026)
Deeds & Mortgages	May 2024 Sale Sep 2021 Sale
Flood Zone	Zone AE (high risk)
APN	`WARE M:0001A B:000 L:00092`

Property Details

APN / Parcel Number

Primary APN	`WARE M:0001A B:000 L:00092`
Alternative APN	`WRHM M:0001A B:000 L:00092`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	3 Rooms
Stories	1 Story
Building Area	640 sqft Living Area
Gross Area	1,280 sqft

Exterior

Year Built	Built 1991
Effective Year Built	Effective 1991
Architectural Style	Ranch
Exterior Material	Wood Siding
Roof Type	Gable
Roof Material	Asphalt
Lot Area	2,563 sqft (0.059 acres)

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Street Address	21 MONUMENT AVE
City	ONSET
State	MA
Zip	02558-1931
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	MR30
Legal Lot Number	92
Jurisdiction	WAREHAM MA
Township / Civil Division	WAREHAM
Census Block Group	3
Census Block	3038
Census Tract	545300

Owner

Source: Plymouth County and Wareham 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	Individual Name on Record
Mailing Address	780 BOYLSTON ST, 22F, BOSTON, MA 02199-7821
Owner Type	Individual
Vesting	Individual(s)

Deeds, Mortgages & Sale History

Date	Document
May 31, 2024	Quit Claim Deed, Transfer
Sep 20, 2021	Quit Claim Deed, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 31, 2024 · Amount on Record
Deed Sale	May 31, 2024 · Amount on Record
Prior Sale	Sep 20, 2021 · Amount on Record
Deed Book / Page	58947 / 162
Prior Transfer Date	May 30, 2024
Prior Transfer Doc	058947-162
Record Updated	Oct 29, 2026

May 2024: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WAREHAM MA
Recording Date	May 31, 2024
Property Address	21 MONUMENT AVE, ONSET, MA 02558-1931
Document Number	058947-162
Book / Page	58947 / 162
Instrument Date	May 30, 2024
Instrument	32043
Transaction Type	Transfer
Record Updated	Oct 30, 2025

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	780 BOYLSTON ST APT 22F, 22F, BOSTON, MA 02199-7821

September 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WAREHAM MA
Recording Date	Sep 20, 2021
Property Address	21 MONUMENT AVE, ONSET, MA 02558-1931
Document Number	055689-197
Book / Page	55689 / 197
Instrument Date	Sep 20, 2021
Instrument	106615
Transaction Type	Transfer
Record Updated	Oct 30, 2025

Transaction

Amount	Amount Recorded
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	Joint Tenants
Address	65 OLCOTT ST APT 2, 2, WATERTOWN, MA 02472-1775

Tax Assessment & Valuation

Source: Plymouth County and Wareham Town assessment roll, as of April 14, 2026

Property Jurisdictions

Type	Name
State	Massachusetts
County	Plymouth County
County Subdivision	Wareham Town
Unified School District	Wareham School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$2,656.00 (-29.47%)	$310,300 (-9.53%) Land $112,700 Building $197,600	$337,769
2025	$3,766.00 (+4.7%)	$343,000 (+11.36%) Land $157,700 Building $185,300
2024	$3,597.00 (+5.89%)	$308,000 (+11.51%) Land $116,400 Building $191,600
2023	$3,397.00	$276,200 Land $105,900 Building $170,300

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 June 11, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	16.0 ft
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 55 individual policies
Nearby Flood Policies	63 units insured incl. 8 condo units
Nearby Flood Claims	21 (1978–2017)
Claims Outside the SFHA	5 of 21
Most Recent Claim	Oct 2017 · other causes
Claims by Event	Hurricane Bob, Aug 1991 · 16 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 99.1% of the US · lower than 98.7% 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 211 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Verizon Fiber · Fixed Wireless in parts of the area	980 / 880
Starlink Satellite	280 / 30

May also be available: T-Mobile.

Cell Coverage

5G (outdoors only) and 4G LTE

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