Home age in ZIP 89431, Sparks, NV: median built 1972

Home age is not roof age, and the Census does not record replacements. ZIP 89431 in Sparks, NV: median home built 1972; 88.9% of homes (14,991) are older than 25 years and 6.7% (1,132) were built since 2010, out of 16,858 homes.

U.S. Census Bureau, American Community Survey 2019 to 2023 (5-year estimates), retrieved October 9, 2026. Area = Census ZIP Code Tabulation Area 89431.

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Share of homes in ZIP 89431 by decade builtColumns from the pre-1940 decade on the left to 2020 and later on the right. pre-1940 4.5 percent; 1940s 6 percent; 1950s 14 percent; 1960s 20.8 percent; 1970s 25.8 percent; 1980s 11.9 percent; 1990s 6 percent; 2000s 4.4 percent; 2010s 6 percent; 2020+ 0.7 percentpre-1940: 762 homes, 4.5%4.5%pre-1940Washoe County: 2.2%1940s: 1,006 homes, 6.0%6%1940sWashoe County: 2.4%1950s: 2,362 homes, 14.0%14%1950sWashoe County: 4.7%1960s: 3,509 homes, 20.8%20.8%1960sWashoe County: 8.3%1970s: 4,342 homes, 25.8%25.8%1970sWashoe County: 18.2%1980s: 1,998 homes, 11.9%11.9%1980sWashoe County: 14.4%1990s: 1,012 homes, 6.0%6%1990sWashoe County: 16.3%2000s: 735 homes, 4.4%4.4%2000sWashoe County: 19.9%2010s: 1,019 homes, 6.0%6%2010sWashoe County: 11.0%2020+: 113 homes, 0.7%0.7%2020+Washoe County: 2.4%Built 1999 or earlier: 88.9% of homes (14,991)ZIP 89431, built before 2000built 2000 or laterWashoe County

Share of the 16,858 housing units in the ZIP, by decade built. The red marks are Washoe County. This counts houses, not roofs: a roof is replaced several times in the life of a house, and no federal survey records when.

ZIP 89431 next to Sparks and Washoe County

IndicatorZIP 89431SparksWashoe CountyRank among 1 ZIPs of Sparks on this site
Housing units16,85844,473213,392
Median year built197219911990
Built before 198071.1%35.2%35.9%
Built before 200088.9%no data66.7%
Built since 20106.7%no data13.4%
Owner-occupied homes46.6%59.9%59.5%
Single-family units55.8%67.8%no data
Median home value$332,000 (+/- $10,724)$455,900$496,600
Median household income$64,496 (+/- $3,988)$86,979no data

City figures are for the Census place, county figures for the county; “no data” means the Census file does not publish that figure. Value and income are survey estimates, the plus-or-minus is the 90% margin of error.

Every decade in ZIP 89431

BuiltShare of Washoe CountyShare of ZIPHomes in ZIP 89431
2020+2.4%0.7%113
2010s11.0%6.0%1,019
2000s19.9%4.4%735
1990s16.3%6.0%1,012
1980s14.4%11.9%1,998
1970s18.2%25.8%4,342
1960s8.3%20.8%3,509
1950s4.7%14.0%2,362
1940s2.4%6.0%1,006
pre-19402.2%4.5%762

Counts are Census estimates of housing units by year built (table B25034). If a roof had never been replaced, it would be 3 to 6 years old on a house from the 2020s, 17 to 26 on one from the 2000s, 37 to 46 on one from the 1980s and 87 or more on one from before 1940. Most older houses have had at least one replacement, and the Census does not record when.

What the numbers say about ZIP 89431

ZIP 89431 has 16,858 housing units: 14,991 (88.9%) were built before 2000, 1,132 (6.7%) in 2010 or later, and 4,342 (25.8%) in the 1970s, its largest era. The median year built is 1972 (Sparks: 1991), so 19 years older than the city.

Housing mix and money, from the same survey: 46.6% of occupied homes are owner-occupied; 55.8% of units are single-family houses; the median owner-occupied home is valued at $332,000, give or take $10,724; median household income is $64,496, give or take $3,988; the ZIP holds 37.9% of the housing units the Census counts in Sparks, 16,858 of them. These are survey estimates with margins of error, and for a small ZIP the margin can be wide.

Reading this for roofs, carefully: the Census records when a house was built, never when its roof was last replaced. If every roof were still the one installed with its house, 13,979 units (82.9%, built before 1990) would be past the 30-year top of the usual asphalt-shingle range, 1,012 (6%, the 1990s) would mostly sit past it, 735 (4.4%, the 2000s) would mostly be inside the 20 to 30 year window and 1,132 (6.7%, 2010 onward) would be younger than it. Most older roofs have been replaced, so treat these as the pool of houses where an old roof is possible, not as a count of old roofs.

Roof age calculator for ZIP 89431

Enter the year your house was built, and the year the roof was last replaced if you know it. It starts at the median year built for this ZIP. The share of neighbours’ homes older than yours comes from this ZIP’s own decade counts.

–years old (roof)
–of homes in ZIP 89431 are older
–vs. the ZIP median year built

Material ranges are general planning figures (the same ones as on our roof-age page), not warranties. Sun, storms, attic ventilation and installation quality move them. The decade shares assume homes were built evenly within each decade. This is not an inspection: a roofer on the roof decides.

Map: ZIP 89431 among Sparks’s ZIP areas

Map of ZIP 89431 and nearby ZIP areas, shaded by the share of homes built before 2000ZIP 89431: 16,858 homes, 88.9% built before 2000, median year 197289431
  • under 20% built before 2000
  • 40 to 60%
  • 80% or more
  • Dot size = housing units. Red ring = ZIP 89431. Click a dot to open that ZIP.

Storm backdrop: Washoe County

A ZIP is too small for its own hail record, so this is the county. FEMA’s National Risk Index rates Washoe County Relatively High overall (96.7 of 100), Relatively Low for hail (59.0), Relatively Moderate for strong wind (71.0) and Very Low for tornado (14.3). NOAA logged 11 hail reports in the county, on 4 days with hail of 1 inch or more in the full years 2014 to 2025.

FEMA National Risk Index, December 2025 version, county level. This product uses FEMA’s National Risk Index data but is not endorsed by FEMA.

Where to go from here

Other roofing cities near ZIP 89431: Carson City, NV (26 miles), Boise, ID (336 miles), Eugene, OR (356 miles).

Questions

How old are the homes in ZIP 89431?

Of the 16,858 housing units, 11,981 (71.1%) were built before 1980, 14,991 (88.9%) before 2000 and 1,132 (6.7%) from 2010 on (Census ACS 2019 to 2023, survey estimate).

Does a house's age tell me how old its roof is in 89431?

No. ACS records the year the structure was built, not the year the roof was last replaced. With 11,981 units built before 1980 in this ZIP, many roofs are replacements rather than originals. Ask the seller for permit records or have a roofer inspect the roof.

Source: U.S. Census Bureau, American Community Survey 5-year estimates 2019 to 2023, tables B25034 (year structure built), B25035, B25003, B25024, B25077 and B19013, ZIP Code Tabulation Areas; ZIP-to-city assignment from the Census 2020 ZCTA-to-place relationship file (a ZIP is assigned to a city when more than half of its land area lies inside it). A ZCTA is not a USPS ZIP code: it approximates one and can differ at the edges. Public domain. The 12 ZIP-specific figures above differ from ZIP to ZIP.

Information only, not a roof inspection. Pickaroofer does not know the condition of any individual roof.