For sale Home

Listed Apr 20, 2026

$12,900,000 Est. $85,322/mo

15878 Bella Siena

  • 5

    Beds

  • 8

    Baths

  • 12,959

    Sq ft

The story

  • Pool

Timeless Resort Estate | Premier Rancho Santa Fe Location Originally built in 2006 by renowned Sylvester Homes, this single-level Tuscan-inspired estate spans nearly 13,000 sq ft on 2 flat, ultra-private acres at the end of a quiet cul-de-sac. Recently refreshed with custom interior upgrades and modern designer lighting, the home blends timeless craftsmanship with a clean, updated aestheticmaking it one of the premier entertainers properties on the Rancho Santa Fe market. The flexible floor plan offers 4 bedrooms in the main residence plus a detached guest villa with separate living room and bedroom. Grand-scale interiors include a stunning great room with 23-foot ceilings, exposed wood trusses, and wrought iron chandeliers, opening seamlessly to the outdoor loggia for true indoor-outdoor living. Designed for entertaining, the estate features a movie theater, walnut-paneled library, billiard room with bar and wine cellar, formal dining room with dome ceiling and butlers pantry, exercise room, and 6-car garage. The private backyard offers a resort-style setting with expansive entertaining areas, fireplace, built-in cabinetry, bar with Sub-Zero refrigeration, and pool bathenjoyed from nearly every room. Exceptional details throughout include hand-carved mahogany entry doors, stone finishes, custom cabinetry, stain-grade windows and doors, cedar-lined closets, and extensive wood beam work. Quiet, private, and fully usable, this is a rare opportunity to own a legacy estate in one of Rancho Santa Fes most desirable locations.

Facts & features

Home type

Home

Year built

2006

Floors

1

Lot size

2 acres

Price per sq ft

$995

Parking

6-car garage

Included features

  • Pool

    Yes

  • Fireplace

    Yes

  • Cooling

    Central Forced Air

Mortgage calculator

Estimated monthly payment

$85,322 /mo

7% rate · 30-yr fixed · 20% down

  • Principal & interest $68,659
  • Property tax $12,900
  • Insurance $3,763

Includes principal, interest, taxes & insurance.

Your Property Journey

Interested in this, or something like it?

Submit an inquiry

Drop your details and we will help you find what you are looking for.

Not quite. Help me find the right one

Talk it through or type it out, whichever feels easiest.

Your contact details

An agent will reach out personally, no automated calls.

Smart Assistant

Hi, how can I help you find your dream home?

Tap the voice button to talk, or just start typing.

Tap anywhere to fix a word or add more

Tap stop when you’re done. You can edit the text before searching.

By submitting, you agree to our Privacy Policy and Terms.

Listing Broker

Luxury Coast Grp Barry Estates

Broker Name

Luxury Coast Grp Barry Estates

Agent

Sean Barry

Location

Del Mar CA 92014