How old are the homes in Kailua (Honolulu County), HI?

Name: Age of homes in Kailua (Honolulu County), HI, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

75.9% (±4.2 points) of the homes in Kailua (Honolulu County), HI were built before 1980 (2020–2024 American Community Survey).

2.7% were built before 1940.

6.3% were built in 2010 or later.

Figures last updated on November 12, 2026.

Built before 1980: 75.9% (±4.2 points)
Built before 1940: 2.7%
Built 2010 or later: 6.3%

When the homes in Kailua (Honolulu County) were built

Housing units by year structure built, 2020–2024
Year built	Kailua (Honolulu County)	Honolulu County	Hawaii	United States
2020 or later	0.6% (±0.4 points)	1.1%	1.1%	2.0%
2010 to 2019	5.7% (±1.4 points)	8.3%	8.1%	9.4%
2000 to 2009	3.9% (±1.1 points)	9.7%	12.4%	13.6%
1990 to 1999	3.9% (±0.9 points)	11.2%	13.0%	12.4%
1980 to 1989	10.0% (±1.7 points)	12.7%	14.9%	12.9%
1970 to 1979	17.3% (±2.0 points)	23.8%	22.7%	14.2%
1960 to 1969	23.5% (±1.8 points)	16.9%	13.5%	9.9%
1950 to 1959	25.9% (±2.7 points)	9.9%	8.0%	9.5%
1940 to 1949	6.5% (±1.4 points)	3.5%	3.1%	4.4%
1939 or earlier	2.7% (±1.0 points)	3.0%	3.2%	11.7%

In Kailua (Honolulu County), the share of homes built before 1980 is higher than in Honolulu County (57.1%).

It is also higher than in Hawaii (50.5%).

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

In Honolulu County, Kailua (Honolulu County) ranks 6 of 51 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 10 of 125.

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 (58.6%) and the share built before 1980 (75.9%).

Homes built before 1980 in places near Kailua (Honolulu County)

Nearest places with a published estimate, compared with Kailua (Honolulu County)
Place	Distance	Homes built before 1980	Compared with this place
Kailua (Honolulu County)	—	75.9% (±4.2 points)	—
Maunawili	3.1 mi	87.5% (±10.1 points)	Higher
Kaneohe Base	3.5 mi	17.2% (±6.6 points)	Lower
Kaneohe	3.6 mi	63.0% (±4.3 points)	Lower
Waimanalo	3.8 mi	59.2% (±11.2 points)	Lower
Waimanalo Beach	5.3 mi	58.8% (±8.2 points)	Lower
Heeia	5.6 mi	89.7% (±12.1 points)	Higher
Ahuimanu	7.3 mi	69.5% (±7.9 points)	Not measurably different
East Honolulu	7.6 mi	64.3% (±3.3 points)	Lower

Nearby places with a measurably lower figure: Kaneohe Base, HI (17.2%), Kaneohe, HI (63.0%), Waimanalo, HI (59.2%).

Nearby places with a measurably higher figure: Maunawili, HI (87.5%), Heeia, HI (89.7%).

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

Homes built before 1980 across Honolulu County, place by place

Rank	Place	Homes built before 1980
1	Heeia	89.7% (±12.1 points)
2	Ewa Beach	87.8% (±8.6 points)
3	Maunawili	87.5% (±10.1 points)
4	Waialua	82.4% (±16.4 points)
5	Wahiawa	78.3% (±8.3 points)
6	Kailua (Honolulu County)	75.9% (±4.2 points)
7	Wheeler AFB	74.1% (±15.2 points)
8	Iroquois Point	73.2% (±12.8 points)
9	Mokuleia	73.1% (±11.7 points)
10	Waipahu	71.4% (±5.4 points)
11	Kahaluu	70.9% (±14.6 points)
12	Ahuimanu	69.5% (±7.9 points)

Showing 12 of 51 places in Honolulu County, ranked from highest to lowest.

Kailua (Honolulu County) 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 Kailua (Honolulu County)

How old are most homes in Kailua (Honolulu County)?

75.9% of homes in Kailua (Honolulu County), HI were built before 1980 (2020–2024 American Community Survey).

Do homes in Kailua (Honolulu County) 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 58.6% and 75.9% of homes in Kailua (Honolulu County) were built before then.

Does a contractor need lead certification to work on older homes in Kailua (Honolulu County)?

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 — Kailua CDP (Honolulu County), Hawaii

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 Kailua CDP (Honolulu County), Hawaii (place:23150, in state:15).

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.