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$425,000
0 Harness St Unit 0, Spring Valley, CA 91977
Real Broker
0Beds
0Days Listed
1Lot Sq Ft
About This Property
Rare double-lot development opportunity in Spring Valley — APNs 578-102-14-00 and 578-102-15-00 sold together. Two contiguous parcels create a flexible canvas for builders, investors, and end-users navigating today's California housing landscape. Under current 2026 state law, the development potential is significant: build two single-family residences (up to ~3,000 sqft each), plus the potential for ADUs and Junior ADUs on each lot per California's expanded ADU statutes. SB-9 lot-split and duplex provisions may further unlock additional units, subject to County of San Diego zoning and verification.
Dennis B RiederReal Broker858-232-2929
Property Location
Map
Property Details
- Property Type
- Land
- Bedrooms
- 0
- Bathrooms
- 0
- Building Area
- 0 Sqft
- Living Area
- 0 sqft
- Year Built
- 0
- Status
- Active
- Days on Market
- 0
- Cumulative Days on Market
- 0
- Original Price
- $425,000
Location & Neighborhood
What's nearby 0 Harness St Unit 0, Spring Valley, CA 91977
Nearby Schools
- Assigned
- Catchment · MiddleSci Tech Engr Arts and Math Acad at La PresaAssigned
NCES · U.S. Dept. of Education (SABINS) • 4–8
- Assigned
- Bancroft Elementary0.7 mi
Elementary School • Public • K–8
- Mt. Vernon Elementary0.9 mi
Elementary School • Public • K–6
- Lemon Grove Early Childhood Education Center1.0 mi
Elementary School • Public • Grade K
- Kempton Street Literacy Academy1.0 mi
Elementary School • Public • K–6
- Rancho Elementary1.2 mi
Elementary School • Public • K–6
Parks & Recreation
- 0.5 mi
Local Amenities
Coffee & Cafes
- Starbucks0.5 mi
POI data updated 8/5/2026
Spring Valley Market Snapshot
127
Active Listings
$750K
MLS® HPI Benchmark
Source: San Diego MLS, June 2026.
Last updated: Aug 5, 2026
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Based on information from California Regional Multiple Listing Service, Inc. as of the date of this data. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing.