20401 Blue Mountain Dr, Walnut, CA 91789 Property Records

Los Angeles County property record for 20401 Blue Mountain Dr, Walnut, CA 91789

Property Summary

Property Type	Single Family Home
Details	5 bd · 4 ba · 5,471 sqft · built 1987
Lot Size	5.59 acres (243,831 sqft)
Owner	2 Company Names on Record
Tax Bill	$13,223 (2025)
Deeds & Mortgages	Sep 2022 Transfer Sep 2022 Transfer + 1 more
Flood Zone	Zone D (undetermined)
APN	`8712-003-001`

Property Details

APN / Parcel Number

Primary APN	`8712-003-001`

Interior

Bedrooms	5 Beds
Full Baths	4 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	5,471 sqft Living Area

Exterior

Year Built	Built 1987
Effective Year Built	Effective 1987
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Tile
Lot Area	243,831 sqft
Lot Dimensions	720 ft deep x 347 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Septic
Water Source	Commercial

Location & Zoning

Street Address	20401 BLUE MOUNTAIN DR
City	WALNUT
State	CA
Zip	91789-1001
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	WAR110000*
Legal Description	RANCHO LA PUENTE PARTITION IN SCC NO 312 98 5.73 MORE OR LESS ACS COM AT NW COR OF LOT 8 TR NO 27483 TH SE ON SW LINE OF SD TR TO NW LINE OF TR NO 27484 TH SW T HEREON TO MOST W COR OF LOT 5 SD TR NO E ON SD N LINE TO BEG PART OF LOT 3
Legal Subdivision	27483
Legal Tract	27483
Legal Block	1
Legal Lot Number	8
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1005
Census Tract	403409

Owner

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

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

Owner of Record	2 Company Names on Record
Mailing Address	20401 BLUE MOUNTAIN DR, WALNUT, CA 91789-1001
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
Sep 21, 2022	Intrafamily Transfer, Transfer
Sep 21, 2022	Intrafamily Transfer, Transfer
Mar 9, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Aug 29, 2022
Transfer Doc	0000924265
Record Updated	Oct 29, 2026

September 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Sep 21, 2022
Property Address	20401 BLUE MOUNTAIN DR, WALNUT, CA 91789-1001
Document Number	0000924265
Map Reference	MB 1260 PG 163
Instrument Date	Aug 29, 2022
Instrument	22-0924265
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20401 BLUE MOUNTAIN DR, WALNUT, CA 91789-1001

September 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Sep 21, 2022
Property Address	20401 BLUE MOUNTAIN DR, WALNUT, CA 91789-1001
Document Number	0000924329
Map Reference	MB 1260 PG 163
Instrument Date	Aug 29, 2022
Instrument	22-0924329
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20401 BLUE MOUNTAIN DR, WALNUT, CA 91789-1001

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	20401 BLUE MOUNTAIN DR, WALNUT, CA 91789-1001
Document Number	0000303385
Instrument Date	Mar 9, 2020
Transaction Type	Mortgage
Record Updated	Mar 23, 2020
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	20401 BLUE MOUNTAIN DR WALNUT CA 917891001, WALNUT, CA 91789-1001

Mortgage

Document Number	0000303385
Date	Mar 16, 2020
Instrument	303385

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Mar 15, 2050

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	Walnut City
Unified School District	Walnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$996,921 (+2%) Land $264,151 Building $732,770
2025	$13,223.00 (+10.85%) Homeowner's exemption	$977,374 (+4.04%) Land $258,972 Building $718,402
2023	$11,929.00 (+2.44%) Homeowner's exemption	$939,423 Land $248,917 Building $690,506
2022	$11,645.00

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 D undetermined · not studied
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 67% of the US · lower than 81% of California
Wildfire Likelihood	0.03% 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	WALNUT VALLEY WATER DISTRICT serves 100,941 people · EPA ID CA1910234
Water Source	Purchased surface water from several systems
Last State Inspection	Jun 2023
Lead	Under 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 272 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

May also be available: T-Mobile, Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Blue Mountain Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures