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    Castro Valley, CA Office Spaces for Sale

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    Mixed-Use Landmark in Castro Valley
    Updated: Feb 12
    Mixed-Use Landmark in Castro Valley

    3137 Castro Valley Blvd, Castro Valley, CA 94546

    $4,000,000
    20,232 sqft
    Landmark building with established presence.
    Mixed‑use property (retail, office, residential).
    Located in the heart of the valley.
    Ground floor retail space.
    Second floor office space.
    View details

    This listing looks promising.

    Here's a quick look at some key insights for

    3137 Castro Valley Blvd, CASTRO VALLEY, CA 94546

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    • Est. Cap Rate

      7.3%
      Above avg (5.9%)

    • Est. NOI

      $293K
      Annual

    • Price @ 7% Cap

      $4.19M
      Above asking

    • Property Type

      Commercial Office/Residential (Mixed Use)
      Built 1951
    View Property Analytics
    Single-Story Retail Office Building
    Updated: Jul 26
    Single-Story Retail Office Building

    20835 Chester St, Castro Valley, CA 94546

    $748,800
    1,550 sqft
    Single‑story commercial building built in 1956 with three leasable suites
    About 1,550 sq ft of leasable area in downtown retail/office space
    Suites are in good condition with existing tenants who would like to stay
    Some off‑street parking available
    Landscaped property with good curb appeal
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    Medical Office Suite with Treatment Rooms
    Medical Office Suite with Treatment Rooms

    22179 Redwood Rd, Castro Valley, CA 94546

    $599,000
    1,344 sqft

    Highly visible suite with multiple sink-equipped treatment rooms, waiting/reception areas, and ramp access plus rear parking.

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    Medical Office Building Near Hospital
    Medical Office Building Near Hospital

    19942 Lake Chabot, Castro Valley, CA 94546

    $895,000
    1,238 sqft

    Medical office building with parking near Sutter Hospital.

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    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    Office Building with Solar Panels
    Office Building with Solar Panels

    22093 Redwood Road, Castro Valley, CA 94546

    $729,000
    1,904 sqft

    Fully occupied office building with six private offices and gated driveway, with solar panel system.

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    Medical Office Near Sutter Hospital
    Medical Office Near Sutter Hospital

    19942 Lake Chabot, Castro Valley, CA 94546

    $795,000

    Medical office building with parking near Sutter Hospital.

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    Commercial Condo in Castro Valley
    Commercial Condo in Castro Valley

    19837 Lake Chabot Rd, Castro Valley, CA 94546

    $240,000
    455 sqft

    Modern, accessible commercial condo in a vibrant Castro Valley location.

    View details
    Based on your search, we've compiled 80 Potential Opportunities for your consideration. Besides 7 Active listings in Castro Valley, CA, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 65 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Six-Parcel Retail and Office Portfolio
    Six-Parcel Retail and Office Portfolio

    60199 E 14th Street, San Leandro, CA 94577

    $8,500,000
    26,129 sqft 0.90 AC lot

    Six contiguous parcels with a mix of retail and office space, including suites currently vacant or month-to-month.

    View details
    Multi-Unit Office Building
    Multi-Unit Office Building

    16378 E 14th St, San Leandro, CA 94578

    $1,385,000
    6,225 sqft

    Well-maintained office building with ground-floor vacancy for an owner-user and upstairs units that are mostly leased.

    View details
    Medical Office Building With Gated Parking
    Medical Office Building With Gated Parking

    1866 B Street, Hayward, CA 94541

    Contact for pricing
    6,240 sqft

    Three-unit medical/professional office building on a corner lot with 20+ gated parking spaces and in-place tenants.

    View details
    Government-Leased Office Property For Sale
    Government-Leased Office Property For Sale

    22225 Foothill Blvd, Hayward, CA 94541

    Contact for pricing
    19,131 sqft

    Single-tenant office building leased to Alameda County through 2029.

    View details

    Potential Development Sites for Consideration

    Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

    Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

    Entitled Mixed-Use Development Opportunity
    Entitled Mixed-Use Development Opportunity

    25A Orinda Way, Orinda, CA 94563

    Contact for pricing

    Permit-ready mixed-use development site in downtown Orinda.

    View details
    Commercial Parcel in Livermore Hub
    Commercial Parcel in Livermore Hub

    2901 Las Positas Road, Livermore, CA 94551

    Contact for pricing
    0.93 AC lot

    Prime commercial land in established retail and service hub.

    View details
    1.27 Acres of Land
    1.27 Acres of Land

    5251-5299 Deer Valley Rd, Antioch, CA 94531

    Contact for pricing
    1.27 AC lot

    1.27 acres of land available for sale.

    View details
    Corner Lot Near Downtown
    Corner Lot Near Downtown

    310 310 Central Ave, Pittsburg, CA 94565

    $1,650,000

    Commercial land near downtown and E-Bart Station.

    View details

    Off-Market Properties in Castro Valley, CA

    Consider similar Off-Market properties in Castro Valley, CA. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

    20995 Redwood Rd
    OFFICE BUILDING

    20995 Redwood Rd, Castro Valley, CA 94546-5919

    Value Estimation by Request
    4,239 sqft 0.26 AC lot
    View details
    19845 Lk Chabot Rd Ste, Unit 210
    MEDICAL BUILDING

    19845 Lk Chabot Rd Ste, Castro Valley, CA 94546-4055

    Unit 210
    $280,000
    Estimated value
    1,739 sqft 0.08 AC lot
    View details
    22408 Charlene Way
    MEDICAL BUILDING

    22408 Charlene Way, Castro Valley, CA 94546-7102

    $270,000
    Estimated value
    1,846 sqft 0.29 AC lot
    View details
    19842 Lk Chabot Rd
    MEDICAL BUILDING

    19842 Lk Chabot Rd, Castro Valley, CA 94546-4002

    $2,075,000
    Estimated value
    5,842 sqft 0.50 AC lot
    View details
    3603 Jamison Way
    OFFICE BUILDING

    3603 Jamison Way, Castro Valley, CA 94546-4303

    $770,000
    Estimated value
    3,588 sqft 0.49 AC lot
    View details
    19693 Redwood Rd
    OFFICE BUILDING

    19693 Redwood Rd, Castro Valley, CA 94546-3456

    $120,000
    Estimated value
    402 sqft 0.13 AC lot
    View details
    22101 Redwood Rd
    MEDICAL BUILDING

    22101 Redwood Rd, Castro Valley, CA 94546-7107

    $750,000
    Estimated value
    4,554 sqft 0.25 AC lot
    View details
    20665 Santa Maria Ave
    OFFICE BUILDING

    20665 Santa Maria Ave, Castro Valley, CA 94546-5611

    $1,125,000
    Estimated value
    1,721 sqft 0.13 AC lot
    View details
    21977 Redwood Rd
    OFFICE BUILDING

    21977 Redwood Rd, Castro Valley, CA 94546-6437

    $610,000
    Estimated value
    1,200 sqft 0.11 AC lot
    View details
    20401 Santa Maria Ave
    OFFICE BUILDING

    20401 Santa Maria Ave, Castro Valley, CA 94546-5609

    $670,000
    Estimated value
    1,600 sqft 0.08 AC lot
    View details
    19942 Lk Chabot Rd
    MEDICAL BUILDING

    19942 Lk Chabot Rd, Castro Valley, CA 94546-4004

    $150,000
    Estimated value
    1,209 sqft 0.18 AC lot
    View details
    20345 Santa Maria Ave
    OFFICE BUILDING

    20345 Santa Maria Ave, Castro Valley, CA 94546-4207

    $290,000
    Estimated value
    2,080 sqft 0.09 AC lot
    View details
    20880 Baker Rd
    OFFICE BUILDING

    20880 Baker Rd, Castro Valley, CA 94546-5729

    $750,000
    Estimated value
    2,976 sqft 0.21 AC lot
    View details
    20046 Lk Chabot Rd
    MEDICAL BUILDING

    20046 Lk Chabot Rd, Castro Valley, CA 94546-5304

    $565,000
    Estimated value
    2,432 sqft 0.18 AC lot
    View details
    1700 Norbridge Ave
    OFFICE BUILDING

    1700 Norbridge Ave, Castro Valley, CA 94546-5700

    $80,000
    Estimated value
    2,560 sqft 0.22 AC lot
    View details
    21666 Redwood Rd
    OFFICE BUILDING

    21666 Redwood Rd, Castro Valley, CA 94546-6440

    $1,385,000
    Estimated value
    4,218 sqft 0.27 AC lot
    View details
    2520 Watson St Ste A
    MEDICAL BUILDING

    2520 Watson St Ste A, Castro Valley, CA 94546-6450

    $1,385,000
    Estimated value
    3,228 sqft 0.45 AC lot
    View details

    Castro Valley, CA Office Spaces Market Trends and Statistics

    Explore 72 office spaces for sale in Castro Valley, CA, showcased through 7 active listings on our real estate platform. These investment opportunities span a total of 26,723 square feet of properties for sale, with an estimated market value of $8,006,800.

    Sale prices for office spaces in Castro Valley, CA start at $240,000, averaging $1,143,828, and reaching up to $4,000,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Office Units 13
    Office buildings 6
    Medical Office Space 4
    Creative space 3

    Demographics Overview

    Population 60K
    Population Growth (5Y) -1.6%
    Median Household Income $144,714
    College Educated 71.6%

    High-Yield Neighborhoods for Investment

    Identify Castro Valley submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    94546 $1.4M

    Taxes & Financing

    Tax Rate (average for all types) 1.08%
    Property Tax per SF $22.10 per SF
    Tax Rate vs County Average 0.11 pp below county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Alameda County

    New Delisted

    Total CRE Inventory on Market (SF)

    Average Property Price per SF

    For-sale pricing trends across core commercial property types in Alameda County

    Residential Income

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