221 W 4th St, San Dimas, CA 91773 Property Records

Los Angeles County property record for 221 W 4th St, San Dimas, CA 91773

Property Summary

Property Type	Duplex
Details	4 bd · 3 ba · 2,140 sqft · built 1905
Lot Size	0.242 acres (10,555 sqft)
Owner	2 Individual Names on Record
Last Sale	$475,000 (Nov 2004)
Tax Bill	$8,931 (2025)
Deeds & Mortgages	Mar 2021 Mortgage Apr 2018 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`8387-008-048`

Property Details

APN / Parcel Number

Primary APN	`8387-008-048`
Alternative APN	`8387008035`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Units	2 Units
Building Area	2,140 sqft Living Area

Exterior

Year Built	Built 1905
Effective Year Built	Effective 1905
Architectural Style	Duplex Single
Construction Type	Wood
Lot Area	10,555 sqft (0.242 acres)
Lot Dimensions	140 ft deep x 50 ft wide
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Floor/Wall Furnace

Location & Zoning

Street Address	221 W 4TH ST
City	SAN DIMAS
State	CA
Zip	91773-2147
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	SDMFD*
Legal Description	SAN DIMAS E 25 FT OF LOT 86 AND ALL OF LOT 84
Legal Subdivision	SAN DIMAS TRACT
Legal Block	2
Legal Lot Number	86,84
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2006
Census Tract	401311

Owner

Source: Los Angeles County records, as of August 25, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on Record
Mailing Address	221 W 4TH ST, SAN DIMAS, CA 91773-2147
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Mar 18, 2021	Deed of Trust, Mortgage · Conventional Mortgage CALIBER HOME LOANS INC
Apr 12, 2018	Deed of Trust, Mortgage · Line of Credit JPMORGAN CHASE BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 3, 2004 · Amount on Record
Deed Sale	Nov 3, 2004 · Amount on Record
Deed Document Number	20042843617
Last Transfer Date	Mar 9, 2015
Transfer Doc	0000296749
Record Updated	Oct 29, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	221 W 4TH ST, SAN DIMAS, CA 91773-2147
Transaction Type	Mortgage
Record Updated	Mar 26, 2021
Title Company	CALIFORNIA TITLE COMPANY, CALIFORNIA MEMBERS TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	221 W 4TH ST, SAN DIMAS, CA 91773-2147

Mortgage

Document Number	0000435246
Date	Mar 18, 2021
Instrument	21-0435246

Lender

Name	CALIBER HOME LOANS INC
Type	Mortgage Company
Address	COPPELL, TX 75019

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2051

April 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	221 W 4TH ST, SAN DIMAS, CA 91773-2147
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000356578
Date	Apr 12, 2018
Instrument	18-0356578

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank
Address	COLUMBUS, OH 43240

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Apr 20, 2048

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of August 25, 2026

Property Jurisdictions

Type	Name
State	California
County	Los Angeles County
Municipality	San Dimas City
Unified School District	Bonita Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$698,357 (+2%) Land $379,363 Building $318,994
2025	$8,931.00 (+5.87%)	$684,679 (+4.04%) Land $371,931 Building $312,748
2024	$8,436.00 (+2.24%)
2023	$8,251.00 (+1.64%)	$658,094 Land $357,490 Building $300,604
2022	$8,118.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective September 30, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Low lower than 98% of the US · lower than 98.4% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

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	GSWC-SAN DIMAS private · serves 56,564 people · EPA ID CA1910142
Water Source	Purchased surface water from several systems
Last State Inspection	May 2025
Also Mapped Here	METROPOLITAN WATER DIST. OF SO. CAL.
Lead	2 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	None 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 517 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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