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0 Baths

$6,750,000

3309 San Rey Lane, Bonsall CA, 92003

Price per sqft$5.74
Lot size27 Acres
Property typeLand

Overview

Active

Listed Sep 20, 2025

Updated 8 days ago

Rancho Viejo – Premier Development Opportunity Cost-Efficient, and Market-Aligned Key Investment Highlights Approvals Secured – Full County scoping letter and Fire District agreements in place Phased Development – Reduced upfront costs with optimized two-phase buildout $10M+ in Cost Savings – Modular construction, grading optimizations, and road design efficiencies Strong Rental Demand – By-right ADUs/J-ADUs in a high-growth Southern California corridor Project Advantages 1. Flexible Land Use Designations - Active Use Open Space: Permits clubhouses, trails, recreation, and water features - Passive (Restorative) Use: Allows grading/development with approved landscape restoration—resolving prior ownership’s roadblocks 2. Accelerated & Deferred Costs - Emergency Road Approval: Secondary access downgraded from primary road standards, cutting $2M+ in initial costs - Phase 2 Deferrals: Fire Dept. approved delaying full emergency road buildout, accelerating Phase 1 (29 lots) 3. Optimized Site Engineering - Grading Plan: Reduced import volumes while expanding usable yard space via elevated home pads - Modular Construction: Approved for 30% faster vertical build, with modern-rustic designs and covered parking integration 4. Lower Infrastructure Costs - Santa Luz-Inspired Roads: Drought-tolerant, fire-resistant landscaping with reduced sidewalk/street expenses - Traffic Study vs. Full Road Build: $500K+ savings vs. original secondary access requirements 5. High-Demand Rental Model - ADU/J-ADU Inclusion: Projects premium rents using tri-county (Orange/San Diego/Riverside) comps - Proven Precedent: Maintenance/design benchmarks from award-winning Santa Luz/Cielo communities 6. Risk-Mitigated Execution - Geotech Complete: Keller ground-improvement plan locked - Top-Tier Team: Design/engineering leads with regional success track records --- Why Invest Now? Approvals in Hand – No entitlement delays Cost Certainty – $6M+ savings already engineered into plan SoCal Housing Shortfall – ADU-friendly project meets urgent rental demand Exit Flexibility – Build-to-sell or hold as cash-flowing rental portfolio Attachments: Pro forma, grading/road plans, modular design renderings **Next Steps:** Let’s discuss capital structure and pre-sales strategy—this asset won’t last.

Additional information

MLS® ID
NDP2509253

Exterior Features

Lot Size
27 Acres

Other Property Details

View
Yes
55+/Senior Community
No

Listed by Thomas Stewart, Real Brokerage Technologies, CA DRE 02028301

Listing Contact: [email protected] 

Based on information from the CRISNet MLS as of 10/2/2026, 5:15 AM UTC. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. The information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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