1660 Neptune Ave is a 3,580 square foot multi-family home on a 0.45 acre lot with 6 bedrooms and 4 bathrooms. - it last sold on October 28, 2026 for $5,300,000. Based on Redfin's Encinitas data, we estimate the home's value is $3,288,743.
Multi-familyProperty Type
1978Year Built
0.45 acresLot Size
$919Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$3,288,743
$2.0M since sold in October 2026$133K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13.7% lower than the average sale price ($3.81M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R11
Residential 11 Zone
Residential 11 is intended to provide for a variety of residential development types found within the coastal areas, ranging from single-family detached units to single-family attached units, such as condominiums, townhouses, and senior housing. The minimum lot size is 3,950 net square feet and the maximum density is 11 units per net acre.
Permitted uses
Include but are not limited to:
Housing-Single unit
Housing-Multiple units
Housing-Senior
Housing-Other
Infrastructure
Educational/school
Housing-Mobile home park
Property details
Exterior
Property Information
Living Sq. Ft: 3,580
Building Sq. Ft: 3,580
# of Units: 2
Legal Description: (EX ST) PAR 2 TR 4862
Parking & Garage Information
# of Parking Spaces: 4
Lot Information
# of Buildings: 1
Land Sq. Ft: 19,602
Acres: 0.45
Zoning Code: R2
County Use Description: DUPLEX
Location Information
Parcel Location Influence: Ocean
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 6
Baths: 4.0
Sq. Ft.: 3,580
Stories: —
Lot Size: 0.45 acres
Style: Multi-Family (2-4 Unit)
Year Built: 1978
Year Renovated: 1978
County: San Diego County
APN: 2540403300
Home facts updated by county records on Nov 5, 2026
Around this home
Schools
K - 12
Preschool & daycare
Paul Ecke-Central Elementary School
Public K-6 • Assigned • 1.5mi
9/10
Diegueno Middle School
Public 7-8 • Assigned • 4.1mi
9/10
La Costa Canyon High School
Public 9-12 • Assigned • 4.6mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Encinitas is known for its coastal charm, vibrant downtown and outdoor lifestyle. Limited coastal inventory continue to make Encinitas one of North County San Diego’s most sought-after real estate markets.