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Middletown, CA Office Spaces for Sale

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Loch Lomond, CA Cobb, CA Hidden Valley Lake, CA Lower Lake, CA Healdsburg, CA Calistoga, CA Pope Valley, CA Geyserville, CA
Middletown Commercial Property on Main
Updated: Mar 10
Middletown Commercial Property on Main

21130 Calistoga Rd, Middletown, CA 95461

$875,000
4,200 sqft 0.09 AC lot
Prime location on Main Street in downtown Middletown
Large 4,200 sqft metal building with a 9,583 sqft lot
Includes two additional rental office spaces
Equipped with three‑phase power
Commercial bare lot included
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This listing looks promising.

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21130 Calistoga Rd, Middletown, CA 95461

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Highway Frontage Mixed-Use Property
Updated: Oct 9, 2025
Highway Frontage Mixed-Use Property

21298 Calistoga, Middletown, CA 95461

$495,000
2,600 sqft 0.69 AC lot
Commercial mixed‑use building on Hwy 29 with 3 rooms plus a laundry room and a bathroom with a stall shower
Zoned C2 (C‑2) with public sewer and public water
Back unit includes a 2‑bedroom, 2‑bath double‑wide mobile home that is currently rented
Lot is approximately 0.69 acres, rectangular/wooded with large trees and parking available
Lot dimensions listed as 171x175x176x173; park‑like setting from street to street
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Downtown Mixed-Use Commercial Building
Downtown Mixed-Use Commercial Building

21136 Calistoga Rd, Middletown, CA 95461

$350,000

C2-zoned commercial building on a street-to-street lot with ADA restroom, office/conference space, and rear parking.

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Middletown Commercial Property on Highway
Middletown Commercial Property on Highway

21130 Calistoga Road, Middletown, CA 95461

$875,000
13,000 sqft 0.22 AC lot

Prime commercial real estate with boundless potential on Main Street.

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Based on your search, we've compiled 27 Potential Opportunities for your consideration. Besides 4 Active listings in Middletown, CA, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 15 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.

Warehouse and Office Flex Building
Warehouse and Office Flex Building

16294 Main, Lower Lake, CA 95457

$699,000
8,200 sqft 0.53 AC lot

Two connected warehouse units with office space, roll-up doors, and fenced yard offer flexible space for an expanding business.

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Lower Lake Commercial Property
Lower Lake Commercial Property

16345 Main St, Lower Lake, CA 95457

Contact for pricing
5,160 sqft

Rare commercial property in Lower Lake's historic business district.

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Clearlake Commercial Property on Lakeshore
Clearlake Commercial Property on Lakeshore

14832 Lakeshore Dr, Clearlake, CA 95422

$290,000
0.31 AC lot

Office, warehouse, and yard space in a prime location.

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Commercial Parcel with Warehouse/Office Buildings
Commercial Parcel with Warehouse/Office Buildings

7070 Old Highway 53, Clearlake, CA 95422

Contact for pricing
10,776 sqft 1.00 AC lot

Acre commercial parcel with three steel warehouse/office buildings.

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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.

Commercial Building with Loading Dock
Commercial Building with Loading Dock

11270 Clayton Creek Road, Lower Lake, CA 95457

$999,000

C3-zoned commercial building with offices, loading dock, fenced yard, and newer roof and AC.

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Prime Commercial Development Opportunity
Prime Commercial Development Opportunity

15874 Kugelman Street, Lower Lake, CA 95457

$55,000
2.38 AC lot

2.38-acre commercial land parcel in a growing area.

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Healdsburg Avenue Commercial Land
Healdsburg Avenue Commercial Land

821 829 Healdsburg Avenue, Healdsburg, CA 95448

$2,500,000
3,240 sqft

Commercial land available on Healdsburg Avenue.

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Windsor Commercial Land Opportunity
Windsor Commercial Land Opportunity

8185 Old Redwood Highway, Windsor, CA 95492

$99,950
11,173 sqft 0.26 AC lot

Triangular lot in Windsor with Highway 101 visibility.

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Off-Market Properties in Middletown, CA

Consider similar Off-Market properties in Middletown, 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.

21136 Calistoga Rd
OFFICE BUILDING

21136 Calistoga Rd, Middletown, CA 95461

Value Estimation by Request
1,000 sqft 0.09 AC lot
View details
18155 Vintage Ct
OFFICE BUILDING

18155 Vintage Ct, Middletown, CA 95461-9681

Value Estimation by Request
12,000 sqft 1.18 AC lot
View details
21138 Calistoga Rd
OFFICE BUILDING

21138 Calistoga Rd, Middletown, CA 95461

Value Estimation by Request
1,785 sqft 0.18 AC lot
View details
21177 Calistoga Rd
OFFICE BUILDING

21177 Calistoga Rd, Middletown, CA 95461-5700

$670,000
Estimated value
3,563 sqft 0.23 AC lot
View details
21162 Calistoga Rd
OFFICE BUILDING

21162 Calistoga Rd, Middletown, CA 95461

Value Estimation by Request
800 sqft 0.08 AC lot
View details
15642 Hl Ave
OFFICE BUILDING

15642 Hl Ave, Middletown, CA 95461

Value Estimation by Request
408 sqft 0.48 AC lot
View details
21128 Calistoga Rd
OFFICE BUILDING

21128 Calistoga Rd, Middletown, CA 95461

Value Estimation by Request
1,488 sqft 0.12 AC lot
View details
21248 State Hwy 175
OFFICE BUILDING

21248 State Hwy 175, Middletown, CA 95461

Value Estimation by Request
5,355 sqft 0.49 AC lot
View details
21277 Calistoga St
OFFICE BUILDING

21277 Calistoga St, Middletown, CA 95461-9304

Value Estimation by Request
1,044 sqft 0.25 AC lot
View details
15850 Armstrong St
OFFICE BUILDING

15850 Armstrong St, Middletown, CA 95461-9325

Value Estimation by Request
3,024 sqft 0.48 AC lot
View details
21249 None
Office Spaces

21249 None, Middletown, CA 95461

Value Estimation by Request
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21298 Calistoga St
OFFICE BUILDING

21298 Calistoga St, Middletown, CA 95461

Value Estimation by Request
0.69 AC lot
View details
21038 Calistoga Rd
OFFICE BUILDING

21038 Calistoga Rd, Middletown, CA 95461

Value Estimation by Request
0.18 AC lot
View details
24500 Bradford Rd
OFFICE BUILDING

24500 Bradford Rd, Middletown, CA 95461-9784

Value Estimation by Request
510 sqft 1.05 AC lot
View details
21337 Bush St
OFFICE BUILDING

21337 Bush St, Middletown, CA 95461

Value Estimation by Request
0.61 AC lot
View details

Middletown, CA Office Spaces Market Trends and Statistics

Explore 19 office spaces for sale in Middletown, CA, showcased through 4 active listings on our real estate platform. These investment opportunities span a total of 19,800 square feet of properties for sale, with an estimated market value of $2,595,000.

Sale prices for office spaces in Middletown, CA start at $350,000, averaging $648,750, and reaching up to $875,000 — 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 4

Demographics Overview

Population 3,720
Population Growth (5Y) +52.5%
Median Household Income $81,830
College Educated 29.2%

High-Yield Neighborhoods for Investment

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

Neighborhood Average Price
95461 $875K

Taxes & Financing

Tax Rate (average for all types) 1.17%
Property Tax per SF $44.72 per SF
Tax Rate vs County Average 0.10 pp above county avg
Average Loan-to-Value 65.0%

Listings Trend

New vs delisted commercial listings in Lake County

New Delisted

Total CRE Inventory on Market (SF)

Average Property Price per SF

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

Residential Income

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