9240 Harness St

$1,800,000
Price
5
Beds
Sq. Ft.
/ Sq. Ft.
Sq. Ft.
per Sq. Ft.

Description

Unique development opportunity: 13 parcels totaling 8 acres in San Diego County. Includes 3 tenant-occupied homes in poor, likely uninhabitable condition—not up to code. Sold as vacant land; no warranties made. Part of the land is undevelopable due to open space easement and topography. Preliminary talks with San Diego County suggest potential for up to 26 lots (6,000 SF each) could be approved. Buyer to verify all info; seller and broker make no guarantees on approvals or development.Unique development opportunity: 13 parcels totaling 8 acres in San Diego County. Includes 3 tenant-occupied homes in poor, likely uninhabitable condition—not up to code. Sold as vacant land; no warranties made. Part of the land is undevelopable due to open space easement and topography. Preliminary talks with San Diego County suggest potential for up to 26 lots (6,000 SF each) could be approved. Buyer to verify all info; seller and broker make no guarantees on approvals or development.
  1. Listed by David S Jefferson • DRE #02021426 • Brokerage DRE #02234911 • Weichert SoCal • davidsjefferson1@gmail.com

Property Details for 9240 Harness Street

Neighborhood
spring valley
Community
SPRING VALLEY
Parking Garage
Attached
Garage Spaces
0.0
Area Zip
SPRING VALLEY (91977)
Standard Status
Active
LISTING UPDATED: 11/07/2025 01:28 PM

Property Details for 9240 Harness Street

StatusActive
MLS #250036641
Days on Market128
Taxes-
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential / Single Family Residence
Year Built1934
Lot Size-
CountySan Diego County

Location

Listing Courtesy of Weichert SoCal, David S Jefferson, DRE #02021426
Add your commute

Building Information for 9240 Harness Street

Stories1Year Built1934Building Size-Lot Size-

Payment Calculator

$9,036 per month

30 year fixed, 6.28% Interest

Principal and Interest

$8,894

Property Taxes

$142

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

Property Information for 9240 Harness Street

Summary
Location and General Information
  • Coordinates: -116.999234, 32.718912
  • Latitude: 32.718912
  • Longitude: -116.999234
  • Directions: Cross Street: Prescioa.
  • MLS Area Major: East County
  • Water Source: N/K
Taxes and HOA
  • Association Fee: $0
  • Other Fees: $0
  • CFD Mello Roos Fee: $0
  • Monthly Total Fees: $0
Parking
  • Parking Features: Attached
  • Parking Total: 0.0
  • Parking Non-Garage Spaces: 0.0
Property
Lot Information
  • Building Area Total: 0.0
  • Building Area Units: Sqft
  • Living Area: 0
  • Living Area Units: Sqft
  • Lot Size Area: 0.0
  • Lot Size Units: Acres
  • Lot Size: 4+ to 10 AC
Property and Assessments
  • Parcel Number: 578-160-40-00
  • Property Sub Type: Detached
  • Property Type: Residential
  • Age Restrictions: N/K
  • Prop Restrictions Known: None Known
  • Ownership: Fee Simple
  • ADUYes No: No
  • Year Built: 1934
Utilities
  • Sewer: Unknown
  • Heat Source: Natural Gas
Interior and Exterior Features
Exterior Features
  • Construction Materials: Unknown
  • Fencing: N/K
  • Pool Features: N/K
  • Pool Heat: N/K
  • Roof: Shingle
Interior Features
  • Appliances: N/K
  • Bathrooms Full: 3
  • Bathrooms Half: 0
  • Stories Total: 1
  • Searchable Rooms: N/K
  • Bedrooms Possible: 5
  • Cooling: N/K
  • Heating: N/K
  • Laundry Features: None Known
  • Levels: 1 Story
  • Bedrooms Count: 5
  • Optional Bedrooms: 0
  • Baths Total: 3.0
Room
Room Information
  • Primary Bed Area: 0
  • Bed2Area: 0
  • Bed3Area: 0
  • Bed4Area: 0
  • Bed5Area: 0
  • Dining Room Area: 0
  • Family Room Area: 0
  • Kitchen Area: 0
  • Living Room Area: 0

Property History for 9240 Harness Street

DateEvent & SourcePriceAppreciation
Nov 1, 2025

Price Change

CLAW #250036642SD

$1,800,000
Nov 1, 2025

Price Change

CLAW #250036641SD

$1,800,000
Nov 1, 2025

Price Change

CLAW #250036598SD

$1,800,000
Oct 31, 2025

Price Change

CRMLS #250036641SD

$1,800,000
Oct 31, 2025

Price Change

SDMLS #250036643

$1,800,000
Oct 31, 2025

Price Change

SDMLS #250036641

$1,800,000
Oct 31, 2025

Price Change

CRMLS #250036598SD

$1,800,000
Oct 31, 2025

Price Change

CRMLS #250036642SD

$1,800,000
Oct 31, 2025

Price Change

SDMLS #250036598

$1,800,000
Aug 19, 2025

Listed (Active)

CRMLS #250036642SD

$2,400,000
Aug 19, 2025

Listed (Active)

CLAW #250036642SD

$2,400,000
Aug 19, 2025

Listed (Active)

CRMLS #250036641SD

$2,400,000
Aug 18, 2025

Listed (Active)

CRMLS #250036598SD

$2,400,000
Aug 18, 2025

Listed (Active)

CLAW #250036598SD

$2,400,000
Aug 18, 2025

Listed (Active)

SDMLS #250036598

$2,400,000
Aug 18, 2025

Listed (Active)

SDMLS #250036641

$2,400,000
Aug 18, 2025

Listed (Active)

SDMLS #250036643

$2,400,000
Aug 18, 2025

Listed (Active)

CLAW #250036641SD

$2,400,000
Nov 24, 2024

Expired

CLAW #240012721SD

Jun 5, 2024

Listed (Active)

CLAW #240012721SD

$2,500,000
Aug 16, 2018

Expired

CRMLS #150044280

$1,499,000
Sep 1, 2016

Expired

SDMLS #150044280

Aug 11, 2015

Listed (Active)

SDMLS #150044280

$1,499,000
Aug 11, 2015

Listed (Active)

CRMLS #150044280

$1,499,000
Jan 16, 2003

Sold (Public Record)

Public Record #106039595

$1,300,000
DateEvent & SourcePrice
11/01/2025

Price Change

CLAW #250036642SD

$1,800,000
11/01/2025

Price Change

CLAW #250036641SD

$1,800,000
11/01/2025

Price Change

CLAW #250036598SD

$1,800,000
10/31/2025

Price Change

CRMLS #250036641SD

$1,800,000
10/31/2025

Price Change

SDMLS #250036643

$1,800,000
10/31/2025

Price Change

SDMLS #250036641

$1,800,000
10/31/2025

Price Change

CRMLS #250036598SD

$1,800,000
10/31/2025

Price Change

CRMLS #250036642SD

$1,800,000
10/31/2025

Price Change

SDMLS #250036598

$1,800,000
08/19/2025

Listed (Active)

CRMLS #250036642SD

$2,400,000
08/19/2025

Listed (Active)

CLAW #250036642SD

$2,400,000
08/19/2025

Listed (Active)

CRMLS #250036641SD

$2,400,000
08/18/2025

Listed (Active)

CRMLS #250036598SD

$2,400,000
08/18/2025

Listed (Active)

CLAW #250036598SD

$2,400,000
08/18/2025

Listed (Active)

SDMLS #250036598

$2,400,000
08/18/2025

Listed (Active)

SDMLS #250036641

$2,400,000
08/18/2025

Listed (Active)

SDMLS #250036643

$2,400,000
08/18/2025

Listed (Active)

CLAW #250036641SD

$2,400,000
11/24/2024

Expired

CLAW #240012721SD

06/05/2024

Listed (Active)

CLAW #240012721SD

$2,500,000
08/16/2018

Expired

CRMLS #150044280

$1,499,000
09/01/2016

Expired

SDMLS #150044280

08/11/2015

Listed (Active)

SDMLS #150044280

$1,499,000
08/11/2015

Listed (Active)

CRMLS #150044280

$1,499,000
01/16/2003

Sold (Public Record)

Public Record #106039595

$1,300,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 9240 Harness Street

Taxable ValueLand$85,440Additions-Total$85,440
Tax Record2025$1,705 ($142 / month)
Home Facts
Beds2Lot Size13,745 SqFtStyleSingle Family ResidenceYear Built1959ZoningR-1:SINGLE FACountySAN DIEGOAPN578-160-40-00

Schools near 9240 Harness Street

This home is within Grossmont Union High School District.
Rating
School
Type
Grades
Distance
Public - K to 6
Public - 5 to 8
Public - 9 to 12
Public - 9 to 12
Rating
School
Distance
Kempton Street Elementary School
PublicK to 6

Monte Vista High School
Public9 to 12

Merit Academy
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

Similar Homes

Similar Sold Homes

9240 Harness Street is a single family home for sale in Spring Valley, CA 91977. This property was listed for sale on August 18, 2025 by Weichert SoCal, it's currently listed at $1,800,000. It has been on the market for a total of 128 days and was last sold on January 16, 2003. This listing's school districts are La Mesa-Spring Valley School District, Grossmont Union High School District. Nearby schools include Kempton Street Elementary School, Science, Technology, Engineering, Arts, And Math Academy At La Presa and Monte Vista High School. 9240 Harness Street is a 5-bed, 3-bath, single family home built in 1934.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of Weichert SoCal, David S Jefferson, DRE #02021426

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