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15878 Bella Siena, Rancho Santa Fe, CA 92067

$12.9M5bd · 8ba · 12,959 sqft
Lot 2 sqft•Single Family Residence•
Active
•161d on market•MLS# 8N-2603783

Property Description

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 aesthetic—making it one of the premier entertainer’s 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 butler’s 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 bath—enjoyed 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 Fe’s most desirable locations.

Features & Amenities

FeeBuilt 2006

Property Details

Land Type
Fee
Year Built
2006
Property Type
Residential
Property Subtype
Single Family Residence
Parking Spaces
6
Garage Spaces
6
Cooling
Central Air
View
Trees/Woods
City
Rancho Santa Fe
Zip Code
92067
County
San Diego
Listed byLuxury Coast Grp Barry Estates, Sean Barry

Mortgage Calculator

Current Rates

$
$
%
Monthly Payment
$65,229.42
Principal & Interest
Loan Amount
$10,320,000
Total Interest
$13,162,591
Total Payment Over 30 Years
$23,482,591
This calculator provides estimates only. Actual mortgage payments may include taxes, insurance, HOA fees, and PMI. Contact a lender for accurate quotes.

Comparative Market Analysis

Luxury Tier · 4 active · 0 closed

15878 Bella Siena, Rancho Santa Fe, CA 92067

Rancho Santa Fe · Single Family Residence

$12.9M
Luxury Tier
Beds
5
Baths
8
Sqft
12,959
Lot
2.01 ac
Year
2006
$/Sqft
$995
Pool: Yes✓
Spa: No✓
View: Trees/Woods✓
Garage: 6-car✓

Luxury tier — fewer comparable sales widen the confidence range.

Price Position

Priced below the market — value advantage over the field.

Price advantage
Subject listed at $12.90M· $995/sqft
Total list price
Closed compsinsufficient comp data
Active comps
vs active median $16.50M
−$3.60M (−21.8%)
Price per sqft
Closed compsinsufficient comp data
Active comps
vs active avg $/sqft $1,296
−$301 (−23.2%)

Active Properties (4)

Active Comparables

AddressCityYearBDBTHSqFtLotSzLP/SqFtLPDIMScore
4704 El MirarRancho Santa Fe19955712,602261,360$2,222$28.00M6162
6002 Via Posada Del NorteRancho Santa Fe20066712,745375,487$855$10.90M18362
16715 Rambla De Las FloresRancho Santa Fe19936812,416305,791$878$10.90M12261
6590 Calle ReinaRancho Santa Fe199561013,446174,240$1,227$16.50M7556
Total: 4 · Average5.88.012,802.25279,219.5$1,295.5$16.57M110.25
Median12,745$16.50M

Market Analysis

List vs Sale $/SqFt

Sale Price Trend

Days on Market

Sale vs List Price

AI-generated CMA

This analysis was generated automatically from MLS data. For an in-depth, human-reviewed valuation, contact Joseph Sardella at josephsardella@gmail.com.