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639 Starstone Drive, San Marcos, CA 92078

$1.05M4bd · 3ba · 2,000 sqft
Lot 6,400 sqft•Single Family Residence•
Active
•62d on market•MLS# 8P-2606204

Property Description

Discover the space and convenience you've been looking for at 639 Starstone Dr! This 4-bedroom, 3-bath San Marcos home offers a functional layout designed to accommodate today's lifestyle, with room for everyone and flexibility for work or guests. Located near shopping, restaurants, parks, and recreation, you'll be just minutes from Discovery Lake, Lakeview Park, and convenient freeway access. Whether you're enjoying a quiet evening at home or exploring everything North County has to offer, this location makes everyday living easy.

Features & Amenities

FeeBuilt 1991

Property Details

Land Type
Fee
Year Built
1991
Property Type
Residential
Property Subtype
Single Family Residence
Parking Spaces
4
Garage Spaces
2
Cooling
Central Air, High Efficiency
City
San Marcos
Zip Code
92078
County
San Diego
Listed byUnknown Office, Juan Alamilla Quintana

Mortgage Calculator

Current Rates

$
$
%
Monthly Payment
$5,309.37
Principal & Interest
Loan Amount
$840,000
Total Interest
$1,071,374
Total Payment Over 30 Years
$1,911,374
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

Residential Tier · 5 active · 5 closed

639 Starstone Drive, San Marcos, CA 92078

San Marcos · Single Family Residence

$1.05M
Residential Tier
Beds
4
Baths
3
Sqft
2,000
Lot
6,400 sqft
Year
1991
$/Sqft
$525
Pool: No✓
Spa: No✓
Garage: 2-car✓

Listed 13.9% below the median closed sale of $1,220,000. Price per sqft ($525) is a 16% discount to closed comps ($628). Closed comps sold at 101% of list — strong seller's market.

Price Position

Priced below the market — value advantage over the field.

Price advantage
Subject listed at $1.05M· $525/sqft
Total list price
Closed comps
vs closed median $1.22M
−$170K (−13.9%)
Active comps
vs active median $1.08M
−$29K (−2.7%)
Price per sqft
Closed compsinsufficient comp data
Active comps
vs active avg $/sqft $601
−$76 (−12.7%)

Active Properties (5)

Active Comparables

AddressCityYearBDBTHSqFtLotSzLP/SqFtLPDIMScore
3332 Heather Ridge CourtSan Marcos1989431,7975,230$600$1.08M13387
1241 Via ContessaSan Marcos2002431,7825,227$539$960,000386
539 Avenida BlancoSan Marcos1990431,7294,641$549$950,0002986
1021 Sparrow CourtSan Marcos1978431,7944,791$673$1.21M385
1793 Old Glen StreetSan Marcos2004331,9894,203$646$1.28M3083
Total: 5 · Average3.83.01,818.24,818.4$601.4$1.10M39.6
Median1,794$1.08M

Closed Properties (5)

Closed Comparables

AddressCityYearDateBDBTHSqFtLotSzLPSPSP/SqFtSP/LPDIMScore
969 MENDOCINO DRSan Marcos199409/02/2026431,7466,850$1.18M$1.25M$7161.062789
712 Lupine DriveSan Marcos199609/21/2026431,7465,919$1.18M$1.15M$6570.984389
1470 Golden Sunset DrSan Marcos200207/29/2026432,1576,203$1.50M$1.46M$6780.984788
1013 HoneysuckleSan Marcos199310/08/2026431,9054,931$1.20M$1.22M$6401.022088
630 Sonoma StreetSan Marcos199908/28/2026432,0524,110$899,000$926,000$4511.034986
Total: 5 · Average4.03.01,921.25,602.6$1.20M$1.20M$628.4—37.2
Median1,905$1.22M$1.22M

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.