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28422 Old Springs Road, Castaic, CA 91384

$1.72M4bd · 5ba · 2,847 sqft
Lot 13,923 sqft•HOA $385/mo•Single Family Residence•
Active
•108d on market•MLS# SR-26138775

Property Description

THE FINAL RV GARAGE HOME AVAILABLE — STUNNING VIEW LOT & DESIGNER INTERIOR! Don't miss this incredible and final opportunity to own a highly coveted RV garage home in the prestigious Williams Ranch community. Situated on a massive, premium 13,923 square foot lot, this spectacular Plan 12 residence boasts 2,847 square feet of masterfully designed living space. The exterior is a true oasis, featuring a completely finished and professionally landscaped backyard adorned with mature olive trees, all framing a breathtaking, picturesque view. Inside, the home has been professionally designed with exquisite, high-end upgrades at every turn, offering a perfect blend of luxury, sophistication, and everyday functionality. The single-story floor plan is as practical as it is luxurious, featuring four spacious bedrooms, each intentionally designed with its own private en-suite bathroom for ultimate comfort and privacy. Perfect for adventure seekers and collectors alike, the massive, attached RV garage provides unparalleled storage for your toys, boat, or motorhome. Combined with the sprawling, finished outdoor space and top-tier interior curation, this home represents the pinnacle of California living. As the very last RV garage home available in the community, this rare showcase property will not last long Live on a 430-acre master planned community nestled between the Sierra Pelona Mountains. Come and be a part of a community that has an exceptional recreation center, junior-size Olympic swimming pool, and an outdoor kitchen. Here you will be surrounded by abundant open space hiking trails, numerous pocket parks, entertainment amphitheater, large citrus orchards, and working vineyards.

Features & Amenities

FeeBuilt 2022

Property Details

Land Type
Fee
Year Built
2022
Property Type
Residential
Property Subtype
Single Family Residence
Heating
Central
Cooling
Central Air, Dual
View
Neighborhood, Pool
City
Castaic
Zip Code
91384
County
Los Angeles
Listed byWilliams Homes Inc., Michael Brunette

Mortgage Calculator

Current Rates

$
$
%
Monthly Payment
$8,696.75
Principal & Interest
Loan Amount
$1,375,920
Total Interest
$1,754,910
Total Payment Over 30 Years
$3,130,830
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 · 5 active · 5 closed

28422 Old Springs Road, Castaic, CA 91384

Castaic · Single Family Residence

$1.72M
Luxury Tier
Beds
4
Baths
5
Sqft
2,847
Lot
13,923 sqft
Year
2022
$/Sqft
$604
Pool: Yes✓
Spa: Yes✓
View: Neighborhood, Pool✓

Listed 89.0% above the median closed sale of $910,000. Price per sqft ($604) is a 80% premium to closed comps ($335). Closed comps sold at 100% of list — strong seller's market. Luxury tier — fewer comparable sales widen the confidence range.

Price Position

Positioned above the market — commands a premium.

Premium
Subject listed at $1.72M· $604/sqft
Total list price
Closed comps
vs closed median $910K
+$810K (+89.0%)
Active comps
vs active median $1.17M
+$552K (+47.2%)
Price per sqft
Closed compsinsufficient comp data
Active comps
vs active avg $/sqft $425
+$179 (+42.1%)

Active Properties (5)

Active Comparables

AddressCityYearBDBTHSqFtLotSzLP/SqFtLPDIMScore
28426 Old Springs RoadCastaic2022443,14116,666$573$1.80M10682
28847 Appaloosa PlaceCastaic2022442,8657,552$348$997,1366578
30006 ChestnutCastaic2022443,38713,235$340$1.15M3974
28710 Orange Park DriveCastaic2022443,2146,380$363$1.17M6473
29907 Vintage CourtCastaic2022443,2146,380$501$1.61M10673
Total: 5 · Average4.04.03,164.210,042.6$425$1.35M76
Median3,214$1.17M

Closed Properties (5)

Closed Comparables

AddressCityYearDateBDBTHSqFtLotSzLPSPSP/SqFtSP/LPDIMScore
28760 Ponderosa StreetCastaic199909/22/2026532,78612,899$900,000$910,000$3271.013971
27831 KnightCastaic200107/24/2026433,0208,691$750,000$765,000$2531.029965
30127 Galbreth CourtCastaic200307/17/2026432,6708,358$949,000$920,000$3450.977565
27708 Ferguson DriveCastaic201607/31/2026531,95410,097$799,000$802,000$4101.0012060
32604 Ridge Top LaneCastaic200210/09/2026532,94521,526$999,000$999,000$3391.003360
Total: 5 · Average4.63.02,67512,314.2$879,200$879,200$334.8—73.2
Median2,786$910,000$910,000

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.