Harness St, Spring Valley, CA

$425,000

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0.65

Acres

About Harness St

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.

Features of Harness St

MLS® # 250027245
Price $425,000
Acres 0.65
Type Land
Sub-Type Lots/Land
Status Active

Community Information

Address Harness St
Area SPRING VALLEY (91977)
Subdivision Mt Miguel Terrace
City Spring Valley
County San Diego
State CA
Zip Code 91977

Amenities

Utilities N/K
Is Waterfront No
Has Pool Yes

Interior

Fireplace Yes

Additional Information

Date Listed May 12th, 2025
Days on Market 191
Zoning R-1
Foreclosure No
Short Sale No
RE / Bank Owned No

Listing Details

OfficeReal Broker
Contact InfoPreferred: 858-295-0556

Listing Map

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