How old are the homes in Kelly Ridge, CA?

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

52.1% (±11.9 points) of the homes in Kelly Ridge, CA were built before 1980 (2020–2024 American Community Survey).

0.0% were built before 1940.

0.4% were built in 2010 or later.

Figures last updated on November 12, 2026.

Built before 1980: 52.1% (±11.9 points)
Built before 1940: 0.0%
Built 2010 or later: 0.4%

When the homes in Kelly Ridge were built

Housing units by year structure built, 2020–2024
Year built	Kelly Ridge	Butte County	California	United States
2020 or later	0.0% (±2.6 points)	2.8%	1.3%	2.0%
2010 to 2019	0.4% (±0.7 points)	7.7%	6.5%	9.4%
2000 to 2009	12.6% (±5.4 points)	12.2%	11.2%	13.6%
1990 to 1999	4.9% (±3.1 points)	12.2%	10.1%	12.4%
1980 to 1989	29.9% (±9.0 points)	16.5%	14.9%	12.9%
1970 to 1979	46.2% (±9.9 points)	18.0%	16.8%	14.2%
1960 to 1969	4.2% (±5.2 points)	9.7%	12.5%	9.9%
1950 to 1959	0.0% (±2.6 points)	9.3%	12.4%	9.5%
1940 to 1949	1.7% (±1.6 points)	4.8%	5.4%	4.4%
1939 or earlier	0.0% (±2.6 points)	6.7%	8.9%	11.7%

In Kelly Ridge, the share of homes built before 1980 is not measurably different from Butte County (48.5%).

It is not measurably different from California (56.0%).

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

In Butte County, Kelly Ridge ranks 8 of 14 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 598 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 (5.9%) and the share built before 1980 (52.1%).

Homes built before 1980 in places near Kelly Ridge

Nearest places with a published estimate, compared with Kelly Ridge
Place	Distance	Homes built before 1980	Compared with this place
Kelly Ridge	—	52.1% (±11.9 points)	—
Oroville East	2.6 mi	52.9% (±8.9 points)	Not measurably different
South Oroville	5.5 mi	73.3% (±19.1 points)	Not measurably different
Oroville	5.5 mi	68.1% (±7.2 points)	Higher
Thermalito	7.3 mi	72.0% (±12.2 points)	Higher
Palermo	7.4 mi	52.0% (±10.0 points)	Not measurably different
Butte Valley	14 mi	4.7% (±16.1 points)	Lower
Loma Rica	15 mi	38.0% (±18.4 points)	Not measurably different
Biggs	16 mi	61.6% (±15.7 points)	Not measurably different

Nearby places with a measurably lower figure: Butte Valley, CA (4.7%).

Nearby places with a measurably higher figure: Oroville, CA (68.1%), Thermalito, CA (72.0%).

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

Homes built before 1980 across Butte County, place by place

Rank	Place	Homes built before 1980
2	Thermalito	72.0% (±12.2 points)
3	Oroville	68.1% (±7.2 points)
4	Gridley	65.5% (±12.0 points)
5	Biggs	61.6% (±15.7 points)
6	Durham	55.5% (±13.7 points)
7	Oroville East	52.9% (±8.9 points)
8	Kelly Ridge	52.1% (±11.9 points)
9	Palermo	52.0% (±10.0 points)
10	Chico	44.6% (±2.8 points)
11	Paradise	40.5% (±11.4 points)
12	Magalia	39.5% (±8.0 points)
13	Forest Ranch	17.4% (±14.9 points)
14	Butte Valley	4.7% (±16.1 points)

Showing 13 of 14 places in Butte County, ranked from highest to lowest.

Kelly Ridge 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 Kelly Ridge

How old are most homes in Kelly Ridge?

52.1% of homes in Kelly Ridge, CA were built before 1980 (2020–2024 American Community Survey).

Do homes in Kelly Ridge 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 5.9% and 52.1% of homes in Kelly Ridge were built before then.

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

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 — Kelly Ridge 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 Kelly Ridge CDP, California (place:38024, 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.