9240 Harness St

/
Lot Size / Acres

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. Buyers & buyers...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. Buyers & buyers agent to verify all herein prior to submitting an offer! Apn #1- 578-160-05-00 apn #2 - 578-160-40-00 apn #3- 578-160-41-00 apn #4- 578-160-42-00 apn #5- 578-160-57-00 apn #6- 578-160-58-00 apn #7- 578-160-61-00 apn #8- 578-160-62-00 apn #9- 578-160-63-00 apn #10- 578-160-66-00 apn #11- 578-160-69-00 apn #12- 578-160-71-00 apn #13 -578-160-72-00
  1. Listed by David Jefferson • DRE #02021426 • Brokerage DRE #02234911 • Weichert SoCal

Property Details for 9240 Harness Street

Parking Spaces Total
0
Lot Size Source
Assessor
View
No
View
No
Association Fee
$.00
Subdivision Name
Spring Valley
Subdivision Name Other
Spring Valley
Senior Community
No
LISTING UPDATED: 11/07/2025 05:31 AM

Property Details for 9240 Harness Street

StatusActive
MLS #250036642SD
Days on Market177
Taxes-
HOA Fees-
Condo/Co-op Fees-
Compass TypeLand
MLS TypeLand Lot
Year Built-
Lot Size-
CountySan Diego County

Location

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

Payment Calculator

$8,915 per month

30 year fixed, 6.15% Interest

Principal and Interest

$8,773

Property Taxes

$142

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

Property Information for 9240 Harness Street

Property / Structure Info
Interior Features
Exterior Features
  • Fence: No
  • Fencing: None
Land/Lot Info
  • Topography: Slope Gentle

Property History for 9240 Harness Street

DateEvent & SourcePriceAppreciation
Feb 13, 2026

Expired

SDMLS #250036643

$1,800,000
Feb 13, 2026

Expired

SDMLS #250036598

$1,800,000
Feb 13, 2026

Expired

SDMLS #250036641

$1,800,000
Nov 1, 2025

Price Change

CLAW #250036598SD

$1,800,000
Nov 1, 2025

Price Change

CLAW #250036641SD

$1,800,000
Oct 31, 2025

Price Change

CRMLS #250036598SD

$1,800,000
Oct 31, 2025

Price Change

CRMLS #250036641SD

$1,800,000
Oct 31, 2025

Price Change

CRMLS #250036642SD

$1,800,000
Aug 19, 2025

Listed (Active)

CRMLS #250036641SD

$2,400,000
Aug 19, 2025

Listed (Active)

CRMLS #250036642SD

$2,400,000
Aug 18, 2025

Price Change

CLAW #250036598SD

$2,400,000
Aug 18, 2025

Listed (Active)

CLAW #250036598SD

$1,800,000
Aug 18, 2025

Listed (Active)

CRMLS #250036598SD

$2,400,000
Aug 18, 2025

Listed (Active)

SDMLS #250036598

$2,400,000
Aug 18, 2025

Listed (Active)

CLAW #250036641SD

$2,400,000
Aug 18, 2025

Listed (Active)

SDMLS #250036643

$2,400,000
Aug 18, 2025

Listed (Active)

SDMLS #250036641

$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)

CRMLS #150044280

$1,499,000
Aug 11, 2015

Listed (Active)

SDMLS #150044280

$1,499,000
Jan 16, 2003

Sold (Public Record)

Public Record #106039595

$1,300,000
DateEvent & SourcePrice
02/13/2026

Expired

SDMLS #250036643

$1,800,000
02/13/2026

Expired

SDMLS #250036598

$1,800,000
02/13/2026

Expired

SDMLS #250036641

$1,800,000
11/01/2025

Price Change

CLAW #250036598SD

$1,800,000
11/01/2025

Price Change

CLAW #250036641SD

$1,800,000
10/31/2025

Price Change

CRMLS #250036598SD

$1,800,000
10/31/2025

Price Change

CRMLS #250036641SD

$1,800,000
10/31/2025

Price Change

CRMLS #250036642SD

$1,800,000
08/19/2025

Listed (Active)

CRMLS #250036641SD

$2,400,000
08/19/2025

Listed (Active)

CRMLS #250036642SD

$2,400,000
08/18/2025

Price Change

CLAW #250036598SD

$2,400,000
08/18/2025

Listed (Active)

CLAW #250036598SD

$1,800,000
08/18/2025

Listed (Active)

CRMLS #250036598SD

$2,400,000
08/18/2025

Listed (Active)

SDMLS #250036598

$2,400,000
08/18/2025

Listed (Active)

CLAW #250036641SD

$2,400,000
08/18/2025

Listed (Active)

SDMLS #250036643

$2,400,000
08/18/2025

Listed (Active)

SDMLS #250036641

$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)

CRMLS #150044280

$1,499,000
08/11/2015

Listed (Active)

SDMLS #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
Charter - K to 8
Rating
School
Distance
Kempton Street Elementary School
PublicK to 6

Monte Vista High School
Public9 to 12

Sparrow Academy
CharterK to 8

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 nullac of land for sale in Spring Valley, CA 91977. This property was listed for sale on August 19, 2025 by Weichert SoCal, it's currently listed at $1,800,000. It has been on the market for a total of 177 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 0-bed, 0-bath, nullac of land.

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 Jefferson, DRE #02021426

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