How old are the homes in Willow Creek, CA?

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

57.9% (±18.2 points) of the homes in Willow Creek, CA were built before 1980 (2020–2024 American Community Survey).

7.2% were built before 1940.

7.3% were built in 2010 or later.

Figures last updated on November 12, 2026.

Built before 1980: 57.9% (±18.2 points)
Built before 1940: 7.2%
Built 2010 or later: 7.3%

When the homes in Willow Creek were built

Housing units by year structure built, 2020–2024
Year built	Willow Creek	Humboldt County	California	United States
2020 or later	0.0% (±4.0 points)	0.8%	1.3%	2.0%
2010 to 2019	7.3% (±6.4 points)	5.4%	6.5%	9.4%
2000 to 2009	7.3% (±6.5 points)	9.7%	11.2%	13.6%
1990 to 1999	8.2% (±7.2 points)	11.7%	10.1%	12.4%
1980 to 1989	19.4% (±10.9 points)	12.8%	14.9%	12.9%
1970 to 1979	28.9% (±11.0 points)	14.3%	16.8%	14.2%
1960 to 1969	13.7% (±8.2 points)	11.3%	12.5%	9.9%
1950 to 1959	1.6% (±2.5 points)	13.3%	12.4%	9.5%
1940 to 1949	6.5% (±9.7 points)	6.9%	5.4%	4.4%
1939 or earlier	7.2% (±6.5 points)	13.8%	8.9%	11.7%

In Willow Creek, the share of homes built before 1980 is not measurably different from Humboldt County (59.6%).

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

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

In Humboldt County, Willow Creek ranks 10 of 19 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 509 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 (29.0%) and the share built before 1980 (57.9%).

Homes built before 1980 in places near Willow Creek

Nearest places with a published estimate, compared with Willow Creek
Place	Distance	Homes built before 1980	Compared with this place
Willow Creek	—	57.9% (±18.2 points)	—
Hoopa	10 mi	36.5% (±10.6 points)	Lower
Blue Lake	19 mi	70.8% (±16.4 points)	Not measurably different
McKinleyville	23 mi	35.5% (±5.5 points)	Lower
Arcata	23 mi	56.2% (±6.7 points)	Not measurably different
Westhaven-Moonstone	24 mi	47.5% (±12.7 points)	Not measurably different
Trinidad	27 mi	63.6% (±16.9 points)	Not measurably different
Myrtletown	28 mi	52.5% (±12.9 points)	Not measurably different
Eureka	29 mi	82.6% (±6.1 points)	Higher

Nearby places with a measurably lower figure: Hoopa, CA (36.5%), McKinleyville, CA (35.5%).

Nearby places with a measurably higher figure: Eureka, CA (82.6%).

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

Homes built before 1980 across Humboldt County, place by place

Rank	Place	Homes built before 1980
3 (tie)	Cutten	70.8% (±21.5 points)
5	Ferndale	70.5% (±14.7 points)
6	Garberville	66.2% (±25.6 points)
7	Bayview (Humboldt County)	64.2% (±18.4 points)
8	Trinidad	63.6% (±16.9 points)
9	Pine Hills	60.9% (±15.0 points)
10	Willow Creek	57.9% (±18.2 points)
11	Arcata	56.2% (±6.7 points)
12	Humboldt Hill	53.8% (±13.4 points)
13	Myrtletown	52.5% (±12.9 points)
14	Fortuna	52.2% (±7.3 points)
15	Rio Dell	52.0% (±14.9 points)
16	Westhaven-Moonstone	47.5% (±12.7 points)

Showing 13 of 19 places in Humboldt County, ranked from highest to lowest.

Willow Creek 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 Willow Creek

How old are most homes in Willow Creek?

57.9% of homes in Willow Creek, CA were built before 1980 (2020–2024 American Community Survey).

Do homes in Willow Creek 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 29.0% and 57.9% of homes in Willow Creek were built before then.

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

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 — Willow Creek 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 Willow Creek CDP, California (place:85642, 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.