641 Alder Dr, San Marcos, CA 92069 Property Records

San Diego County property record for 641 Alder Dr, San Marcos, CA 92069

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,716 sqft · built 1993
Lot Size	1.5 acres (65,340 sqft)
Owner	2 Individual Names on Record
Last Sale	$780,000 (Feb 2012)
Tax Bill	$11,444 (2025)
Deeds & Mortgages	Apr 2019 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`182-300-45-00`

Property Details

APN / Parcel Number

Primary APN	`182-300-45-00`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	3,716 sqft Living Area
Gross Area	988 sqft
Basement Area	988 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1993
Effective Year Built	Effective 1993
Architectural Style	Conventional
Exterior Material	Stucco
Roof Material	Tile
Lot Area	65,340 sqft
Garage Type	Carport
Carport	Carport
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	641 ALDER DR
City	SAN MARCOS
State	CA
Zip	92069-9610
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	A-1
Legal Description	LOT 45 TR 009002
Legal Subdivision	SAN MARCOS THE QUORUM
Legal Tract	009002
Legal Block	4
Legal Lot Number	45
Jurisdiction	SAN DIEGO CA
Township / Civil Division	OCEANSIDE-ESCONDIDO
Census Block Group	4
Census Block	4027
Census Tract	20304

Owner

Source: San Diego County records, as of July 21, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	641 ALDER DR, SAN MARCOS, CA 92069-9610
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 17, 2012 · Amount on Record
Deed Sale	Feb 17, 2012 · Amount on Record
Prior Sale	May 15, 2009 · Amount on Record
Deed Document Number	201292239
Prior Transfer Date	May 6, 2005
Prior Transfer Doc	0000399753
Record Updated	Sep 20, 2026

April 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN DIEGO CA
Property Address	641 ALDER DR, SAN MARCOS, CA 92069-9610
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	CHICAGO TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000125221
Date	Apr 9, 2019
Instrument	2019-0125221

Lender

Name	MUFG UNION BANK NA
Type	Bank
Address	SAN DIEGO, CA 92121

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2049

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

Source: San Diego County assessment roll, as of July 21, 2026

Property Jurisdictions

Type	Name
State	California
County	San Diego County
Municipality	San Marcos City
Unified School District	San Marcos Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,019,312 (+2%) Land $340,845 Building $678,467
2025	$11,444.00 (+7.53%) Homeowner's exemption	$999,326 (+4.04%) Land $334,162 Building $665,164
2023	$10,643.00 (+1.38%) Homeowner's exemption	$960,523 Land $321,187 Building $639,336
2022	$10,498.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective September 3, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	6 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 56% of the US · lower than 66% of California
Wildfire Likelihood	0.1% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	VALLECITOS WD serves 114,700 people · EPA ID CA3710002
Water Source	Purchased surface water from several systems
Last State Inspection	Mar 2022
Lead	Under 1 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 83 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Cox Communications Cable	2,000 / 100
San Diego Broadband Fixed Wireless	500 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: Verizon.

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