How old are the homes in Mattapoisett, MA?

Name: Age of homes in Mattapoisett, MA, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

60.9% (±12.5 points) of the homes in Mattapoisett, MA were built before 1980 (2020–2024 American Community Survey).

12.1% were built before 1940.

7.3% were built in 2010 or later.

Figures last updated on November 12, 2026.

Built before 1980: 60.9% (±12.5 points)
Built before 1940: 12.1%
Built 2010 or later: 7.3%

When the homes in Mattapoisett were built

Housing units by year structure built, 2020–2024
Year built	Mattapoisett	Plymouth County	Massachusetts	United States
2020 or later	0.4% (±0.7 points)	1.6%	1.0%	2.0%
2010 to 2019	6.9% (±3.3 points)	7.2%	6.2%	9.4%
2000 to 2009	9.6% (±3.5 points)	9.0%	7.1%	13.6%
1990 to 1999	11.7% (±5.8 points)	8.8%	7.4%	12.4%
1980 to 1989	10.5% (±4.9 points)	11.4%	10.8%	12.9%
1970 to 1979	12.2% (±4.9 points)	13.6%	11.1%	14.2%
1960 to 1969	13.3% (±4.3 points)	11.1%	9.9%	9.9%
1950 to 1959	17.8% (±8.3 points)	11.1%	10.8%	9.5%
1940 to 1949	5.5% (±3.3 points)	5.0%	5.1%	4.4%
1939 or earlier	12.1% (±5.8 points)	21.2%	30.5%	11.7%

In Mattapoisett, the share of homes built before 1980 is not measurably different from Plymouth County (62.0%).

It is not measurably different from Massachusetts (67.4%).

It is not measurably different from the national figure (49.7%).

In Plymouth County, Mattapoisett ranks 12 of 27 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 191 of 351.

Rankings use the estimates alone; where margins of error overlap, neighboring ranks may not truly differ.

Why the age of a home matters: lead-based paint

Federal law treats housing built before 1978 as likely to contain lead-based paint.

Before a lease or sale of most pre-1978 housing, the landlord or seller must disclose any known lead-based paint and hazards and give the tenant or buyer the EPA pamphlet (42 U.S.C. § 4852d; 40 CFR part 745, subpart F; 24 CFR part 35, subpart A).

A contractor paid to renovate, repair or paint a pre-1978 home must be a certified firm, use a certified renovator and follow lead-safe work practices under the Renovation, Repair and Painting Rule (40 CFR part 745, subpart E) whenever the job disturbs more than 6 square feet of painted surface in a room or more than 20 square feet outside; window replacement and demolition always count (40 CFR 745.83).

Certification comes from EPA, or from the state where EPA has authorized the state to run the program.

The Census Bureau groups construction by decade, so the share built before 1978 lies between the share built before 1970 (48.7%) and the share built before 1980 (60.9%).

Homes built before 1980 in places near Mattapoisett

Nearest places with a published estimate, compared with Mattapoisett
Place	Distance	Homes built before 1980	Compared with this place
Mattapoisett	—	60.9% (±12.5 points)	—
Fairhaven	3.6 mi	80.8% (±6.9 points)	Higher
Marion Center	3.8 mi	85.3% (±36.1 points)	Not measurably different
Marion	4.4 mi	68.1% (±13.7 points)	Not measurably different
Acushnet Center	5.2 mi	88.9% (±20.5 points)	Higher
Acushnet	6.0 mi	69.6% (±10.7 points)	Not measurably different
New Bedford	6.5 mi	84.2% (±2.6 points)	Higher
Rochester	7.0 mi	45.8% (±12.4 points)	Not measurably different
Weweantic	7.0 mi	67.1% (±26.6 points)	Not measurably different

Nearby places with a measurably higher figure: Fairhaven, MA (80.8%), Acushnet Center, MA (88.9%), New Bedford, MA (84.2%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes built before 1980 across Plymouth County, place by place

Rank	Place	Homes built before 1980
6	West Bridgewater	69.0% (±11.4 points)
7	Rockland	68.2% (±9.0 points)
8 (tie)	Marion	68.1% (±13.7 points)
8 (tie)	Norwell	68.1% (±7.9 points)
10	Marshfield	66.4% (±6.1 points)
11	Abington	63.3% (±7.2 points)
12	Mattapoisett	60.9% (±12.5 points)
13	Hanson	60.7% (±8.3 points)
14	Pembroke	58.8% (±8.4 points)
15	Duxbury	58.0% (±7.4 points)
16	Hingham	54.7% (±4.9 points)
17	East Bridgewater	54.0% (±6.9 points)
18	Halifax	52.6% (±11.0 points)

Showing 13 of 27 places in Plymouth County, ranked from highest to lowest.

The figures for Mattapoisett include the places inside it that have pages of their own: Mattapoisett Center.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Mattapoisett

How old are most homes in Mattapoisett?

60.9% of homes in Mattapoisett, MA were built before 1980 (2020–2024 American Community Survey).

Do homes in Mattapoisett need a lead paint disclosure?

A home built before 1978 does, before it is rented or sold, unless an exemption applies (42 U.S.C. § 4852d); between 48.7% and 60.9% of homes in Mattapoisett were built before then.

Does a contractor need lead certification to work on older homes in Mattapoisett?

Yes, when the job disturbs more than 6 square feet of paint in a room or 20 square feet outside, or replaces a window: the firm must be certified and a certified renovator must direct the work under the Renovation, Repair and Painting Rule (40 CFR part 745, subpart E).

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Mattapoisett town, Plymouth County, Massachusetts

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Mattapoisett town, Plymouth County, Massachusetts (county subdivision:39450, in state:25 county:023).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0017PE, DP04_0017PM, DP04_0018PE, DP04_0018PM, DP04_0019PE, DP04_0019PM, DP04_0020PE, DP04_0020PM, DP04_0021PE, DP04_0021PM, DP04_0022PE, DP04_0022PM, DP04_0023PE, DP04_0023PM, DP04_0024PE, DP04_0024PM, DP04_0025PE, DP04_0025PM, DP04_0026PE, DP04_0026PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.