RANKING · 2024 ACS · 58 SHOWN OF 58

Newest housing stock, California counties

California counties ranked by median year housing was built (2024 ACS). This list covers the 58 counties in California that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 1990

01Placer County, CACA442,0811994+1%

02Riverside County, CACA2,544,9161990+1%

03San Benito County, CACA70,0821989+1%

04Imperial County, CACA181,4111988+1%

05Madera County, CACA167,9271988+1%

06Calaveras County, CACA46,6051986+0%

07Kings County, CACA154,3271986+1%

08Mariposa County, CACA16,9181986+1%

09Merced County, CACA297,2601986+1%

10Yuba County, CACA88,6911986+1%

11Amador County, CACA41,8761984+1%

12Kern County, CACA927,0681984+1%

13San Joaquin County, CACA823,8151984+1%

14El Dorado County, CACA192,3231983+0%

15Nevada County, CACA101,9111983+0%

16San Luis Obispo County, CACA282,3671983+0%

17San Bernardino County, CACA2,224,0911983+0%

18Tulare County, CACA485,1461983+1%

19Yolo County, CACA224,4101983+1%

20Fresno County, CACA1,035,4561982+1%

21Shasta County, CACA181,6481982+0%

22Solano County, CACA455,3761982+0%

23Sutter County, CACA98,7871982+1%

24Alpine County, CACA1,0431981+0%

25Butte County, CACA209,2111981+1%

26Del Norte County, CACA26,4101981+0%

27Plumas County, CACA18,5831981+0%

28Sacramento County, CACA1,618,4601981+1%

29Stanislaus County, CACA557,7191981+0%

30Tehama County, CACA64,6651981+1%

31Lake County, CACA67,7721980+0%

32Mono County, CACA12,5051980+0%

33San Diego County, CACA3,282,2481980+0%

34Tuolumne County, CACA53,1601980+0%

35Sonoma County, CACA486,4441979+0%

36Colusa County, CACA21,8361978+1%

37Contra Costa County, CACA1,170,0701978+0%

38Ventura County, CACA830,8511978+0%

39Glenn County, CACA28,1411977+1%

40Lassen County, CACA28,1171977+0%

41Mendocino County, CACA88,1221977+0%

42Orange County, CACA3,149,5071977+0%

43Trinity County, CACA15,7201977+0%

44Modoc County, CACA8,4261976+1%

45Monterey County, CACA433,7291976+0%

46Napa County, CACA132,9491976+1%

47Siskiyou County, CACA42,0131976+0%

48Inyo County, CACA18,1581975+0%

49Santa Clara County, CACA1,914,3911975+0%

50Santa Cruz County, CACA258,8521974+0%

51Santa Barbara County, CACA442,0651974+0%

52Humboldt County, CACA131,6471973+1%

53Sierra County, CACA3,0981971+0%

54Alameda County, CACA1,636,6301969+0%

55Marin County, CACA253,6941967+0%

56San Mateo County, CACA743,5681966+0%

57Los Angeles County, CACA9,694,9341965+0%

58San Francisco County, CACA826,0791946+0%

SHOWING 1–58 OF 58

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES