How old are the homes in Aspen Hill, MD?

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

69.8% (±4.4 points) of the homes in Aspen Hill, MD were built before 1980 (2020–2024 American Community Survey).

1.1% were built before 1940.

1.7% were built in 2010 or later.

Figures last updated on November 12, 2026.

Built before 1980: 69.8% (±4.4 points)
Built before 1940: 1.1%
Built 2010 or later: 1.7%

When the homes in Aspen Hill were built

Housing units by year structure built, 2020–2024
Year built	Aspen Hill	Montgomery County	Maryland	United States
2020 or later	0.1% (±0.1 points)	1.3%	1.4%	2.0%
2010 to 2019	1.6% (±0.8 points)	8.8%	8.1%	9.4%
2000 to 2009	1.8% (±0.8 points)	10.7%	11.5%	13.6%
1990 to 1999	6.7% (±2.2 points)	10.5%	13.1%	12.4%
1980 to 1989	20.1% (±2.5 points)	19.2%	14.8%	12.9%
1970 to 1979	20.2% (±2.4 points)	14.9%	13.5%	14.2%
1960 to 1969	30.9% (±2.8 points)	14.3%	11.5%	9.9%
1950 to 1959	14.9% (±1.9 points)	11.1%	10.5%	9.5%
1940 to 1949	2.7% (±1.4 points)	4.8%	5.0%	4.4%
1939 or earlier	1.1% (±0.7 points)	4.2%	10.7%	11.7%

In Aspen Hill, the share of homes built before 1980 is higher than in Montgomery County (49.3%).

It is also higher than in Maryland (51.2%).

It is higher than the national figure (49.7%).

In Montgomery County, Aspen Hill ranks 26 of 59 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 111 of 388.

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 (49.6%) and the share built before 1980 (69.8%).

Homes built before 1980 in places near Aspen Hill

Nearest places with a published estimate, compared with Aspen Hill
Place	Distance	Homes built before 1980	Compared with this place
Aspen Hill	—	69.8% (±4.4 points)	—
Leisure World	1.0 mi	46.0% (±6.7 points)	Lower
Layhill	2.3 mi	49.3% (±9.8 points)	Lower
Glenmont	2.5 mi	56.7% (±7.0 points)	Lower
Wheaton	3.3 mi	71.9% (±4.6 points)	Not measurably different
Olney	3.5 mi	32.5% (±3.2 points)	Lower
North Kensington	3.8 mi	83.3% (±9.3 points)	Higher
Derwood	3.9 mi	15.0% (±12.0 points)	Lower
Rockville	4.0 mi	51.3% (±3.0 points)	Lower

Nearby places with a measurably lower figure: Leisure World, MD (46.0%), Layhill, MD (49.3%), Glenmont, MD (56.7%).

Nearby places with a measurably higher figure: North Kensington, MD (83.3%).

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

Homes built before 1980 across Montgomery County, place by place

Rank	Place	Homes built before 1980
20	Chevy Chase View	75.6% (±13.4 points)
21	Burnt Mills	73.4% (±20.6 points)
22	Barnesville	73.3% (±28.3 points)
23	Ten Mile Creek	72.3% (±40.7 points)
24	Martin's Additions	72.0% (±12.7 points)
25	Wheaton	71.9% (±4.6 points)
26	Aspen Hill	69.8% (±4.4 points)
27	Brookeville	69.2% (±52.3 points)
28	Silver Spring	68.8% (±3.6 points)
29	Brookmont	68.5% (±15.4 points)
30	Colesville	67.4% (±8.7 points)
31	Chevy Chase (community)	63.8% (±6.9 points)
32	Cabin John	62.7% (±17.2 points)

Showing 13 of 59 places in Montgomery County, ranked from highest to lowest.

Aspen Hill is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

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 Aspen Hill

How old are most homes in Aspen Hill?

69.8% of homes in Aspen Hill, MD were built before 1980 (2020–2024 American Community Survey).

Do homes in Aspen Hill 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 49.6% and 69.8% of homes in Aspen Hill were built before then.

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

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 — Aspen Hill CDP, Maryland

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 Aspen Hill CDP, Maryland (place:02825, in state:24).

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.