1900 Mountain Ave, Duarte, CA 91010 Property Records

Los Angeles County property record for 1900 Mountain Ave, Duarte, CA 91010

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,660 sqft · built 1955
Lot Size	0.632 acres (27,533 sqft)
Owner	2 Individual Names on File
Last Sale	$1,125,000 (Nov 2025)
Tax Bill	$2,047 (2025)
Deeds & Mortgages	Nov 2025 Sale & Mortgage Oct 2025 Transfer + 3 more
Flood Zone	Zone X (minimal risk)
APN	`8531-018-023`

Property Details

APN / Parcel Number

Primary APN	`8531-018-023`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,660 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1955
Architectural Style	Conventional
Construction Type	Wood
Roof Type	Hip
Roof Material	Gravel
Lot Area	27,533 sqft (0.632 acres)
Lot Dimensions	126 ft deep x 214 ft wide

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	1900 MOUNTAIN AVE
City	DUARTE
State	CA
Zip	91010-3150
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	DUR16500*
Legal Description	W F AND E B NORMAN TRACT LOT COM AT SW C OR OF LOT 1 TR # 13541 TH S 57 49 E TO MOST N COR OF LOT 39 TR # 15381 TH S 32 0233 W 81.49 FT TH N 72 28 W TO SE L INE OF MOUNTAIN AVE TH NE THEREON TO BEG PART OF LOT A
Legal Subdivision	13541
Legal Tract	13541
Legal Block	3
Legal Lot Number	1
Jurisdiction	LOS ANGELES CA
Township / Civil Division	UPPER SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3000
Census Tract	430102

Owner

1900 Mountain Ave is owned by two individuals who bought it in November 2025.

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

Owner of Record	2 Individual Names on File
Mailing Address	416 E OLIVE AVE, B, MONROVIA, CA 91016-3569
Owner Type	Individual
Vesting	Joint Tenants

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

Deeds, Mortgages & Sale History

Date	Document
Nov 12, 2025	Grant Deed, Transfer · VA Mortgage GENEVA FINANCIAL LLC
Oct 30, 2025	Affidavit of Death of Joint Tenant, Transfer
Apr 18, 2019	Affidavit of Death, Transfer NOT AVAILABLE
Apr 18, 2019	Quit Claim Deed, Transfer NOT AVAILABLE
Mar 1, 2017	Deed of Trust, Mortgage · Conventional Mortgage OPTIMUM FIRST INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 12, 2025 · Amount on File
Deed Sale	Nov 12, 2025 · Amount on File
Deed Document Number	2025790964
Prior Transfer Date	Apr 4, 2019
Prior Transfer Doc	0000346453
Record Updated	Oct 29, 2026

November 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Nov 12, 2025
Property Address	1900 MOUNTAIN AVE, DUARTE, CA 91010-3150
Document Number	0000790964
Map Reference	MB 84 PG 60
Instrument Date	Oct 27, 2025
Instrument	25-0790964
Transaction Type	Transfer
Record Updated	Nov 27, 2025
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	416 E OLIVE AVE UNIT B, B, MONROVIA, CA 91016-3569

Mortgage

Document Number	0000790965
Date	Nov 12, 2025
Instrument	25-0790965

Lender

Name	GENEVA FINANCIAL LLC
Type	Mortgage Company

Agreement

Type	VA Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2055

October 2025: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	LOS ANGELES CA
Recording Date	Oct 30, 2025
Property Address	1900 MOUNTAIN AVE, DUARTE, CA 91010-3150
Document Number	0000756715
Map Reference	MB 84 PG 60
Instrument Date	Jun 12, 2025
Instrument	25-0756715
Transaction Type	Transfer
Record Updated	Nov 12, 2025

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	1900 MOUNTAIN AVE, DUARTE, CA 91010-3150

April 2019: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	LOS ANGELES CA
Recording Date	Apr 18, 2019
Property Address	1900 MOUNTAIN AVE, DUARTE, CA 91010-3150
Document Number	0000346453
Instrument Date	Apr 4, 2019
Instrument	346453
Transaction Type	Transfer
Record Updated	May 1, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1900 MOUNTAIN AVE DUARTE CA 910103150, DUARTE, CA 91010-3150

April 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Apr 18, 2019
Property Address	1900 MOUNTAIN AVE, DUARTE, CA 91010-3150
Document Number	0000346454
Instrument Date	Mar 23, 2019
Instrument	346454
Transaction Type	Transfer
Record Updated	May 1, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	1900 MOUNTAIN AVE DUARTE CA 910103150, DUARTE, CA 91010-3150

March 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	1900 MOUNTAIN AVE, DUARTE, CA 91010-3150
Document Number	0000280169
Instrument Date	Mar 1, 2017
Transaction Type	Mortgage
Record Updated	Mar 16, 2017
Title Company	NATIONS TITLE COMPANY/CA, NATIONS TITLE CO/CA

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	1900 MOUNTAIN AVE DUARTE CA 910103150, DUARTE, CA 91010-3150

Mortgage

Document Number	0000280169
Date	Mar 10, 2017
Instrument	280169

Lender

Name	OPTIMUM FIRST INC
Address	FOUNTAIN VALLEY, CA 92708

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Mar 9, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 1900 Mountain Ave was $2,047.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,125,000 (+1,353.45%) Land $894,200 Building $230,800
2025	$2,047.00	$77,402 Land $26,933 Building $50,469
2023	$1,865.00 (+1.8%)	$74,398 Land $25,888 Building $48,510
2022	$1,832.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 1900 Mountain Ave in Zone X, an area of minimal flood risk.

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

The area around 1900 Mountain Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire Risk	Not rated no burnable land within 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	CAL-AM WATER COMPANY - DUARTE private · serves 24,767 people · EPA ID CA1910186
Water Source	Groundwater
Last State Inspection	Feb 2025
Lead	1 ppb (2022–2024) 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 359 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	5,000 / 5,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
Starlink Satellite	280 / 30

May also be available: GeoLinks, T-Mobile.

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