Investor and owner-user opportunity! Rare M54 industrial-zoned property featuring both a detached residential dwelling and massive warehouse/workshop on one parcel in Spring Valley. The detached residence offers 3 bedrooms, 1 bathroom, and approximately 912 sq ft, creating a unique live/work opportunity with incredible flexibility for contractors, automotive uses, fabricators, storage, warehousing, small manufacturing, service businesses, or anyone seeking to combine residential living with business operations in one convenient location. The oversized warehouse/workshop is approximately 1200 sq ft and provides exceptional functionality with a roll up wide metal truck door, 175 amp single phase power, 1/2 bath, and abundant space for equipment, inventory, storage, creative projects, or business expansion. San Diego County’s M54 General Impact Industrial zoning allows for a variety of industrial and commercial support uses, making this an outstanding opportunity with endless potential. Property does require significant repairs and updating, which is reflected in the pricing, offering buyers the chance to add value and maximize the property’s possibilities. Conveniently located with access to major transportation routes and commercial services. Rare opportunity to own a versatile industrial-zoned property with live/work potential in San Diego County!
For sale
Listing Provided by: Realty Source, Inc
$739,000
9209 Harness St, Spring Valley, CA 91977
3beds
2,112sqft
Est.:
Single Family Residence
Built in 1973
10,140 Square Feet Lot
$745,200 Zestimate®
$350/sqft
$-- HOA
What's special
Detached residential dwelling
- 11 days |
- 479 |
- 19 |
Likely to sell faster than
Zillow last checked:
Listing updated:
Listing Provided by:
Grace Carter DRE #01461855 760-846-0729,
Realty Source, Inc
Source: CRMLS,MLS#: SW26102108
Originating MLS: California Regional MLS
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 1
- 1/2 bathrooms: 1
Rooms
- Room types: Workshop
Cooling
- None
Appliances
- Laundry: See Remarks
Features
- Workshop
- Has fireplace: No
- Fireplace features: None
- Common walls with other units/homes: No Common Walls
Interior area
- Total interior livable area: 2,112 sqft
Property
Parking
- Total spaces: 10
- Parking features: Garage
- Garage spaces: 10
Features
- Levels: Two
- Stories: 2
- Entry location: back
- Pool features: None
- Has view: Yes
- View description: Neighborhood
Lot
- Size: 10,140 Square Feet
- Features: Front Yard, Paved
Details
- Additional structures: Outbuilding, Storage, Workshop
- Parcel number: 5782010400
- Special conditions: Trust
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Condition
- Fixer,Repairs Major
- New construction: No
- Year built: 1973
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
Community
- Features: Street Lights, Sidewalks
- Subdivision: Spring Valley
Location
- Region: Spring Valley
Financial & listing details
- Price per square foot: $350/sqft
- Date on market: 5/11/2026
- Cumulative days on market: 11 days
- Listing terms: Cash
Estimated market value
$745,200
$708,000 - $782,000
$3,955/mo
Price history
| Date | Event | Price |
|---|---|---|
| 5/11/2026 | Listed for sale | $739,000+146.3%$350/sqft |
Source: | ||
| 4/1/2025 | Listing removed | $4,000$2/sqft |
Source: Zillow Rentals Report a problem | ||
| 3/20/2025 | Price change | $4,000-11.1%$2/sqft |
Source: Zillow Rentals Report a problem | ||
| 3/14/2025 | Price change | $4,500-25%$2/sqft |
Source: Zillow Rentals Report a problem | ||
| 2/25/2025 | Listed for rent | $6,000$3/sqft |
Source: Zillow Rentals Report a problem | ||
| 6/5/2015 | Listing removed | $300,000$142/sqft |
Source: Realty ONE Group #150017588 Report a problem | ||
| 6/4/2015 | Listed for sale | $300,000$142/sqft |
Source: Realty ONE Group #150017588 Report a problem | ||
Public tax history
Tax history is unavailable.
Monthly payment
Est. payment$--/mo
Payment breakdown
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All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
See how much you could borrow to make a competitive offer.
Climate risks
Neighborhood: 91977
Nearby schools
GreatSchools rating
- 6/10Science, Technology, Engineering, Arts, And Math Academy At La PresaGrades: 5-8Distance: 0.5 mi
- 6/10Monte Vista High SchoolGrades: 9-12Distance: 2 mi
- 5/10Kempton Street Elementary SchoolGrades: K-5Distance: 0.5 mi
A local agent can set up tours, give advice and negotiate with sellers.
Local buyer's agents are ready to help
- California
- San Diego County
- Spring Valley
- 91977
- 9209 Harness St




