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99-Unit+ Retail RTI Development 3621-3641 4th Ave 6 Unit Apartment Building For Sale San Diego, CA 92103
Executive Summary
Call for Offers March 11th, 2026.... The Bove Investment Team proudly presents Unity on Fourth, a fully entitled, high-density mixed-use development opportunity at 3641 Fourth Avenue in San Diego’s Uptown district. The project is approved for 99 residential units with ground-floor commercial space, leveraging Complete Communities incentives to maximize FAR and density. Located along the highly walkable Fourth Avenue corridor, the site benefits from strong renter demand, transit proximity, and long-term urban growth fundamentals. Unity on Fourth is a fully entitled mixed-use development.
Highlights:
Approved for 99 residential units plus ground-floor retail/commercial space.
Permit-ready / RTI status, allowing for accelerated development timelines.
±102,894 SF proposed building on a 0.31-acre site with 58 below-grade parking spaces.
Zoned CC-3-10 with Complete Communities Tier 2, achieving up to 8.0 FAR and significant density incentives.
Located in the Hillcrest / Uptown submarket, one of San Diego’s most walkable, transit-oriented neighborhoods with strong renter demand and long-term growth fundamentals.
The project benefits from multiple overlays and incentive programs that allow high density, no height limit, and reduced parking requirements, supporting efficient urban multifamily development.
Highlights:
Approved for 99 residential units plus ground-floor retail/commercial space.
Permit-ready / RTI status, allowing for accelerated development timelines.
±102,894 SF proposed building on a 0.31-acre site with 58 below-grade parking spaces.
Zoned CC-3-10 with Complete Communities Tier 2, achieving up to 8.0 FAR and significant density incentives.
Located in the Hillcrest / Uptown submarket, one of San Diego’s most walkable, transit-oriented neighborhoods with strong renter demand and long-term growth fundamentals.
The project benefits from multiple overlays and incentive programs that allow high density, no height limit, and reduced parking requirements, supporting efficient urban multifamily development.
Property Facts
| Sale Type | Investment | Building Class | C |
| Sale Condition | Redevelopment Project | Lot Size | 0.31 AC |
| No. Units | 6 | Construction Status | Under Renovation |
| Property Type | Multifamily | Building Size | 4,633 SF |
| Property Subtype | Apartment | No. Stories | 2 |
| Apartment Style | Low-Rise | Year Built | 1925 |
| Zoning | R4 | ||
| Sale Type | Investment |
| Sale Condition | Redevelopment Project |
| No. Units | 6 |
| Property Type | Multifamily |
| Property Subtype | Apartment |
| Apartment Style | Low-Rise |
| Building Class | C |
| Lot Size | 0.31 AC |
| Construction Status | Under Renovation |
| Building Size | 4,633 SF |
| No. Stories | 2 |
| Year Built | 1925 |
| Zoning | R4 |
Amenities
Unit Amenities
- Air Conditioning
- Heating
- Oven
- Tub/Shower
- Pantry
Site Amenities
- 24 Hour Access
- Controlled Access
- Tenant Controlled HVAC
- Public Transportation
- Smoke Detector
Unit Mix Information
| Description | No. Units | Avg. Rent/Mo | SF |
|---|---|---|---|
| Studios | 6 | - | - |
1 1
Walk Score®
Walker's Paradise (94)
Property Taxes
| Parcel Number | 452-281-09 | Improvements Assessment | $813,963 CAD |
| Land Assessment | $2,219,900 CAD | Total Assessment | $3,033,863 CAD |
Property Taxes
Parcel Number
452-281-09
Land Assessment
$2,219,900 CAD
Improvements Assessment
$813,963 CAD
Total Assessment
$3,033,863 CAD
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99-Unit+ Retail RTI Development | 3621-3641 4th Ave
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