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    Multi-Unit Flex Industrial Building Title is generated by Realmo AI

    80 Barham Avenue, Santa Rosa, CA 95407

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    For Sale
    $945,000

    COMMERCIAL - Santa Rosa, CA

    Property size:
    4,692 SF
    Lot size:
    0.34 Acres
    Price / SF:
    $201/SF
    Added:
    Mar 22, 2026
    Days on Market:
    98
    Last Refresh:
    Jun 27 at 7:06 pm

    Property Features for 80 Barham Avenue

    General Information

    Property type
    Commercial Sale
    Property subtype
    Other
    Parking
    20
    Security features
    Security
    Standard status
    Active
    APN
    037151028000
    Lot size
    0.34 Acres

    Utilities

    Sewer type
    Public Sewer
    Heating system
    Natural Gas
    Water source
    Well

    Building Details

    Year built
    1989
    Floors in Building
    1
    Flooring type
    Concrete
    Building materials
    Block, Wood
    Roof type
    Composition

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    Ron L Welsh

    Listing agent Ron L Welsh License #01122975

    Listing office Sonoma County Properties 9056 Graton Rd, Graton, CA

    Listing date Mar 22, 2026

    MLS# 326022418

    Copyright © 2026 Bay Area Real Estate Information Services, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • 4692 SF commercial building on 1/3 acre lot
    • Three separate spaces: reception/office plus one bay and restroom, plus two additional warehouse spaces with a restroom
    • Private well for water; public sewer connection
    • Heating with natural gas
    • Construction materials include block and wood; concrete flooring
    • Roof is composition; year built 1989

    Overview

    This clean commercial property is configured as three separate spaces, combining office and warehouse functionality with on-site restrooms. One unit includes a reception/office area with a private restroom and an attached bay, while the two additional spaces are set up as warehouse areas, each with its own restroom. The building is described as suitable for uses such as a contractor’s operation with storage and yard needs or an auto repair setup.

    Located at 80 Barham Avenue in Santa Rosa, California, the site includes a lot size of approximately one third of an acre. A private well is included with the property, which can be a practical facility feature for certain on-site operations. The overall layout supports having multiple working areas under one roof.

    For buyers seeking flexible space that can be operated by a single business across multiple bays and rooms, this arrangement offers practical separation between office and warehouse components. The mix of reception/office and warehouse areas with restrooms can support contractor logistics, light industrial storage, or auto-related repair use, depending on the tenant’s operating needs. The property is offered for sale.

    Local Financial Insights For Office B

    Simulate Cap Rate and NOI

    NOI Build-Up
    Vacancy
    income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
    EGI (Effective Gross Income)
    gross rent minus vacancy losses — the realistic income before paying operating costs.
    OpEx (Operating Expenses)
    recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
    NOI (Net Operating Income)
    income a property generates after operating costs but before financing and taxes.

    Component $ $/SF
    Gross rent $104.2k $22.20
    − Vacancy −$15.8k −$3.37
    EGI $88.3k $18.83
    − OpEx −$22.1k −$4.71
    NOI $66.2k $14.12
    4,692 SF · lease $22.20/SF/yr · vacancy 15.20% · expense 25.00%

    Alternative Uses

    Best Use
    Office B
    $946.4K
    $828.1K – $1.10M (±1% cap)
    NOI $66,247 @ 7.0% cap · market cap 7.01%
    Second Best
    Warehouse
    $839.2K
    $734.3K – $979.1K (±1% cap)
    NOI $58,747 @ 7.0% cap · market cap 6.22%
    Theoretical Best
    Multifamily LT 5
    $1.30M
    $1.14M – $1.52M (±1% cap)
    NOI $91,250 @ 7.0% cap · market cap 9.66%
    Zoning and permitted uses should be independently verified with local authorities.
    Property Profile Location Intelligence

    Current Use by Public Records

    Cast Kay Tee ... Swimming Pool

    Suggested Use

    Real Estate Agency Law Firm Restaurant Spa & Massage Center Dental Office Hair Salon Nail Salon Building Supply Gym & Fitness Center Pharmacy

    Zoning and permitted uses should be independently verified with local authorities.

    Similar Places Nearby

    • on Q events & catering — 704 Bennett Valley Rd, Santa Rosa, CA 95404
    • Savory N Sweet — 9 4th St, Santa Rosa, CA 95401

    Location Insight

    • Map
    • Local Demand
    City
    Santa Rosa
    County
    Sonoma
    State
    California
    Longitude
    -122.7194726
    Latitude
    38.4262831

    FAQs

    What type of property is this?
    Flex space - Clean three-space building with offices, warehouse bays, restrooms, and a private well on a compact yard lot.
    Where is this flex space located?
    The property is located at 80 Barham Avenue Santa Rosa, CA.
    What is the asking price?
    The asking price for this property is $945,000.
    What are key features of this property?
    This property features: 4692 SF commercial building on 1/3 acre lot; Three separate spaces: reception/office plus one bay and restroom, plus two additional warehouse spaces with a restroom; Private well for water; public sewer connection
    More about this property
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