How old are the homes in Flagstaff, AZ?

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

28.3% (±2.2 points) of the homes in Flagstaff, AZ were built before 1980 (2020–2024 American Community Survey).

2.0% were built before 1940.

13.6% were built in 2010 or later.

Figures last updated on November 12, 2026.

Built before 1980: 28.3% (±2.2 points)
Built before 1940: 2.0%
Built 2010 or later: 13.6%

When the homes in Flagstaff were built

Housing units by year structure built, 2020–2024
Year built	Flagstaff	Coconino County	Arizona	United States
2020 or later	1.5% (±0.6 points)	1.8%	2.8%	2.0%
2010 to 2019	12.1% (±1.7 points)	9.9%	11.6%	9.4%
2000 to 2009	20.6% (±2.0 points)	19.0%	22.4%	13.6%
1990 to 1999	20.3% (±1.9 points)	21.1%	17.4%	12.4%
1980 to 1989	17.2% (±1.7 points)	20.1%	16.5%	12.9%
1970 to 1979	14.0% (±1.6 points)	15.7%	15.2%	14.2%
1960 to 1969	6.2% (±1.1 points)	5.6%	6.3%	9.9%
1950 to 1959	5.1% (±0.9 points)	3.8%	4.9%	9.5%
1940 to 1949	1.0% (±0.4 points)	1.3%	1.5%	4.4%
1939 or earlier	2.0% (±0.5 points)	1.7%	1.4%	11.7%

In Flagstaff, the share of homes built before 1980 is not measurably different from Coconino County (28.1%).

It is not measurably different from Arizona (29.3%).

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

In Coconino County, Flagstaff ranks 9 of 19 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 110 of 213.

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 (14.3%) and the share built before 1980 (28.3%).

Homes built before 1980 in places near Flagstaff

Nearest places with a published estimate, compared with Flagstaff
Place	Distance	Homes built before 1980	Compared with this place
Flagstaff	—	28.3% (±2.2 points)	—
Mountainaire	6.5 mi	36.6% (±18.9 points)	Not measurably different
Kachina Village	7.7 mi	32.4% (±13.5 points)	Not measurably different
Doney Park	8.0 mi	7.4% (±3.4 points)	Lower
Mountain View Ranches	9.0 mi	27.5% (±15.4 points)	Not measurably different
Timberline-Fernwood	9.9 mi	23.0% (±12.9 points)	Not measurably different
Bellemont	12 mi	0.0% (±13.0 points)	Lower
Fort Valley	12 mi	18.6% (±13.0 points)	Not measurably different
Parks	21 mi	27.4% (±9.1 points)	Not measurably different

Nearby places with a measurably lower figure: Doney Park, AZ (7.4%), Bellemont, AZ (0.0%).

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

Homes built before 1980 across Coconino County, place by place

Rank	Place	Homes built before 1980
3	Tusayan	38.3% (±66.8 points)
4	Grand Canyon Village	38.1% (±25.5 points)
5	Tuba City	36.9% (±6.7 points)
6	Mountainaire	36.6% (±18.9 points)
7	Kachina Village	32.4% (±13.5 points)
8	Kaibito	31.0% (±16.4 points)
9	Flagstaff	28.3% (±2.2 points)
10	Page	27.9% (±10.1 points)
11	Mountain View Ranches	27.5% (±15.4 points)
12	Parks	27.4% (±9.1 points)
13	LeChee	26.0% (±17.5 points)
14	Timberline-Fernwood	23.0% (±12.9 points)
15	Kaibab Estates West	22.1% (±17.4 points)

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

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 Flagstaff

How old are most homes in Flagstaff?

28.3% of homes in Flagstaff, AZ were built before 1980 (2020–2024 American Community Survey).

Do homes in Flagstaff 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 14.3% and 28.3% of homes in Flagstaff were built before then.

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

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 — Flagstaff city, Arizona

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 Flagstaff city, Arizona (place:23620, in state:04).

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.