How old are the homes in Hacienda Heights, CA?

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

83.5% (±4.0 points) of the homes in Hacienda Heights, CA were built before 1980 (2020–2024 American Community Survey).

3.1% were built before 1940.

1.4% were built in 2010 or later.

Figures last updated on November 12, 2026.

Built before 1980: 83.5% (±4.0 points)
Built before 1940: 3.1%
Built 2010 or later: 1.4%

When the homes in Hacienda Heights were built

Housing units by year structure built, 2020–2024
Year built	Hacienda Heights	Los Angeles County	California	United States
2020 or later	0.2% (±0.2 points)	0.9%	1.3%	2.0%
2010 to 2019	1.2% (±0.5 points)	4.8%	6.5%	9.4%
2000 to 2009	2.5% (±0.8 points)	5.8%	11.2%	13.6%
1990 to 1999	3.0% (±0.8 points)	6.1%	10.1%	12.4%
1980 to 1989	9.6% (±1.5 points)	12.0%	14.9%	12.9%
1970 to 1979	27.2% (±2.3 points)	13.8%	16.8%	14.2%
1960 to 1969	30.4% (±2.3 points)	14.0%	12.5%	9.9%
1950 to 1959	21.2% (±1.9 points)	18.8%	12.4%	9.5%
1940 to 1949	1.6% (±0.5 points)	9.5%	5.4%	4.4%
1939 or earlier	3.1% (±1.1 points)	14.3%	8.9%	11.7%

In Hacienda Heights, the share of homes built before 1980 is higher than in Los Angeles County (70.4%).

It is also higher than in California (56.0%).

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

In Los Angeles County, Hacienda Heights ranks 32 of 140 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 96 of 1,076.

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 (56.3%) and the share built before 1980 (83.5%).

Homes built before 1980 in places near Hacienda Heights

Nearest places with a published estimate, compared with Hacienda Heights
Place	Distance	Homes built before 1980	Compared with this place
Hacienda Heights	—	83.5% (±4.0 points)	—
La Puente	2.8 mi	81.1% (±4.8 points)	Not measurably different
Industry	2.8 mi	82.5% (±63.1 points)	Not measurably different
La Habra Heights	2.9 mi	70.4% (±13.5 points)	Not measurably different
Avocado Heights	3.3 mi	83.0% (±9.6 points)	Not measurably different
Whittier	3.4 mi	88.4% (±3.3 points)	Not measurably different
West Puente Valley	3.9 mi	93.1% (±5.9 points)	Higher
Valinda	3.9 mi	89.0% (±6.6 points)	Not measurably different
Rose Hills	4.0 mi	52.5% (±14.5 points)	Lower

Nearby places with a measurably lower figure: Rose Hills, CA (52.5%).

Nearby places with a measurably higher figure: West Puente Valley, CA (93.1%).

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

Homes built before 1980 across Los Angeles County, place by place

Rank	Place	Homes built before 1980
26	Montebello	84.1% (±4.3 points)
27	Alondra Park	83.9% (±10.4 points)
28	Culver City	83.8% (±6.1 points)
29	East Los Angeles	83.7% (±3.5 points)
30 (tie)	Norwalk	83.6% (±3.3 points)
30 (tie)	La Crescenta-Montrose	83.6% (±7.1 points)
32	Hacienda Heights	83.5% (±4.0 points)
33	Cerritos	83.2% (±3.5 points)
34	San Fernando	83.1% (±7.5 points)
35 (tie)	Downey	83.0% (±3.2 points)
35 (tie)	Avocado Heights	83.0% (±9.6 points)
37	South Gate	82.9% (±4.1 points)
38	Bell	82.6% (±7.1 points)

Showing 13 of 140 places in Los Angeles County, ranked from highest to lowest.

Hacienda Heights 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 Hacienda Heights

How old are most homes in Hacienda Heights?

83.5% of homes in Hacienda Heights, CA were built before 1980 (2020–2024 American Community Survey).

Do homes in Hacienda Heights 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 56.3% and 83.5% of homes in Hacienda Heights were built before then.

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

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 — Hacienda Heights CDP, California

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 Hacienda Heights CDP, California (place:31596, in state:06).

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.