HomeCaliforniaAlameda CountyCastro Valley
Castro Valley, California: commercial real estate data.
Castro Valley is a Census CDP of 65,001 people across 16.85 square miles of land, in Alameda County. Median household income is $142,779, 72.5 percent of occupied homes are owned, and the SBA record carries 45 7(a) approvals to borrowers here worth $32.8 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Castro Valley
What Castro Valley is
- Census place typeCDP
- Land area16.85 sq mi
- Water area0.22 sq mi
- Population per square mile of land3,858
- County holding the largest share of its areaAlameda County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Castro Valley
How many people live in Castro Valley
- Population65,001
- Median age42.9
- Population under 1813,516
- Share under 1820.8 percent
- Population 65 and over12,214
- Share 65 and over18.8 percent
- Households22,021
- Family households16,927
- Share of households that are families76.9 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Castro Valley
Income and work in Castro Valley
- Median household income$142,779
- Per capita income$60,688
- Civilian labor force34,123
- Employed32,820
- Unemployed1,303 plus or minus 262
- Unemployment rate3.8 percent
- Adults 25 and over47,797
- Adults 25 and over with a high school diploma or higher91.7 percent
- Adults 25 and over with a bachelor degree or higher44.5 percent
- Adults 25 and over with a graduate degree17.5 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Castro Valley
Housing in Castro Valley
- Housing units22,957
- Occupied units22,021
- Vacant units936 plus or minus 301
- Vacancy rate4.1 percent plus or minus 1.3
- Owner occupied15,975
- Renter occupied6,046
- Ownership rate72.5 percent
- Median owner-occupied home value$1,104,600
- Median gross rent, monthly$2,554
- Annual rent as a share of median income21.5 percent
- Single family units18,569
- Share single family80.9 percent
- Units in buildings of two or more3,973
- Share in buildings of two or more17.3 percent
- Mobile homes353 plus or minus 136
- Median year structure built1966
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Castro Valley
How Castro Valley gets to work
- Workers 16 and over who commute25,034
- Commuting under 15 minutes3,935
- Share commuting under 15 minutes15.7 percent
- Commuting 30 minutes or more12,852
- Share commuting 30 minutes or more51.3 percent
- Drove alone62.5 percent
- Carpooled7.7 percent
- Public transport5.2 percent plus or minus 1.7
- Walked1.4 percent plus or minus 0.6
- Worked from home21.3 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Castro Valley
SBA loans in Castro Valley (7(a))
- Approvals45
- Gross approval$32,803,100
- Average approval$728,958
- Median approval$340,000
- Ninetieth percentile approval$2,056,000
- Largest approval$4,465,000
- Jobs supported373
- Jobs per approval8.3
- Loans with a final outcome5
- Paid in full5
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more24.4 percent
- Share to franchises13.3 percent
- Distinct lenders27
- Distinct industries by NAICS32
Counted by borrower city: approvals to borrowers whose address is in Castro Valley, in any county, FY2020 to FY2026. Only 5 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Castro Valley
SBA loans in Castro Valley (504)
- Approvals15
- Gross approval$16,537,000
- Average approval$1,102,467
- Median approval$536,000
- Largest approval$3,704,000
- Jobs supported238
- Loans with a final outcome1
- Charged off0
- Median term300 months
- Distinct CDCs6
Counted by borrower city: approvals to borrowers whose address is in Castro Valley, in any county, FY2010 to FY2026. Only 1 loan has reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Alameda County, not Castro Valley
Alameda County context, not Castro Valley figures
- Establishments in Alameda County42,318
- Covered employment, Alameda County790,358
- Average annual pay, Alameda County$98,026
- Housing units permitted, Alameda County1,743
Every figure in this section is published for Alameda County as a whole and is not a measurement of Castro Valley.
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Castro Valley questions, answered from the record.
How many people live in Castro Valley, California?
65,001, in 22,021 households. Castro Valley CDP covers 16.85 square miles of land, which is 3,858 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Castro Valley in?
Alameda County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Castro Valley?
$142,779. The median owner-occupied home is valued at $1,104,600. Median gross rent is $2,554 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Castro Valley businesses?
45 7(a) approvals totaling $32.8 m since FY2020, across 27 lenders, median approval $340,000, plus 15 504 approvals worth $16.5 m since FY2010. These count approvals to borrowers whose address is in Castro Valley, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Castro Valley borrowers get paid back?
No rate is published for Castro Valley. Only 5 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published. The counts are shown instead.
Are the county figures on this page Castro Valley figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Alameda County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Castro Valley.
Is zoning published for Castro Valley?
No. Nothing on this page presents parcel level zoning.
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