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4348 MiddlesexSan Diego, CA 92116

For Sale

$4,995,000

Smart Buyer Rebate $49,950

Welcome to the most spectacular estate to ever come to market in Kensington. A once in a lifetime opportunity to own a stunning Spanish-style residence with the coveted Mills Act in place! This rare offering represents a masterful blend of architectural heritage and modern luxury. Spanning over 6,000 sq. ft. total, the main residence includes 4 bedrooms and 5 bathrooms, complemented by a detached guesthouse. Designed for elevated living and unforgettable entertaining, the home rests on a rare flat, and fully usable double lot just under 20,000 sq. ft. Fully pocketing retractable glass doors in the living room open to a sweeping green lawn, an infinity-edge pool with grotto and unobstructed jaw-dropping views- creating a truly magical backdrop day and night. The chef's kitchen is outfitted with high-end appliances including an Italian ILVE Range, Wolf Oven and Sub-Zero Refrigerator and is complemented by a separate dedicated bar-ideal for hosting at any scale.The Primary suite is a standout, featuring a remarkable dual steam walk-in shower with integrated touchscreen controls and built-in speakers along with two exceptionally large walk-in closets-an uncommon luxury for a property of this age and location. Executed to the highest standard, this estate sets a new benchmark for historic luxury living in Kensington.

Listed by Ami LeWallen

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License #01772992

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Red Rhino Realty, Inc.

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619-971-7699

Last updated January 14, 2026

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Source: CRMLS #2601054SD

Listing Facts

  • TypeSingle-family
  • NeighborhoodKensington
  • Bedrooms5
  • Bathrooms6
  • Days on Prevu16
  • Size6,078 sqft
  • Price per sqft$822

Amenities

  • Dishwasher
  • Air Conditioning
  • Parking
  • Swimming Pool

Location

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Listing History

01/14/2026
Listed by Red Rhino Realty, Inc.
$4,995,000

Property Details for 4348 Middlesex

Exterior

Construction

  • Stories: 2
  • Stories Total: 2
  • Year Built: 1929

Features

  • Fencing: Partial
  • Other Structures: Guest House Detached
  • Pool Features: Infinity, In Ground
  • View: City Lights

Measurements

  • Lot Features: Sprinkler System
  • Lot Size Acres: 0.45
  • Lot Size Area: 19,846
  • Lot Size Source: Plans
  • Lot Size Square Feet: 19,846
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: 4650200300

Interior

Features

  • Appliances: Barbecue, Built-In, Dishwasher, Disposal, Ice Maker, Refrigerator
  • Fireplace Features: Family Room
  • Fireplace: Yes
  • Flooring: Tile, Wood
  • Interior Features: Walk-In Pantry, Walk-In Closet(s)
  • Spa Features: In Ground
  • Spa: Yes

Measurements

  • Living Area: 6,078
  • Living Area Source: Plans

Rooms

  • Bathrooms Full: 6
  • Bathrooms Total Integer: 6
  • Bedrooms Total: 5

Other

Location

  • Subdivision Name: Kensington

Parking

Parking

  • Garage Spaces: 2
  • Garage: Yes
  • Open Parking Spaces: 2
  • Parking Features: Driveway
  • Parking Total: 4

Utilities

Equipment

  • Cooling: Central Air, Zoned
  • Has Cooling: Yes
  • Heating: Forced Air, Natural Gas, Zoned
  • Has Heating: Yes
  • Laundry Features: Electric Dryer Hookup, Gas Dryer Hookup, Laundry Room

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 5 bedrooms and 6 bathrooms in this single-family home at 4348 Middlesex.

Does this single-family home have parking?

Yes, there are 2 parking spaces available for 4348 Middlesex.

How does 4348 Middlesex compare to other single-family homes in Kensington?

This single-family home is listed 111% above the average price for single-family homes in Kensington and has been on the market for 41 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 6,078 sqft.

4348 Middlesex is a 5-bedroom, 6-bath single-family home for sale in San Diego CA 92116. On Prevu for 16 days at $4,995,000. This home features 6,078 square feet of living space, located in Kensington. The median listing price for single-family homes in this area is $2,099,999. Property amenities include dishwasher, air conditioning, parking, and swimming pool. Explore more single-family home listings in San Diego.

Based on information from California Regional Multiple Listing Service, Inc. and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.