4231 Walnut Ave, Chino, CA 91710 Property Records

San Bernardino County property record for 4231 Walnut Ave, Chino, CA 91710

Property Summary

Property Type	Single Family Home
Details	4 bd · 1.5 ba · 1,756 sqft · built 1915
Lot Size	2.15 acres (94,089 sqft)
Owner	2 Individual Names on Record
Last Sale	$945,000 (Jun 2019)
Tax Bill	$11,733 (2025)
Deeds & Mortgages	Jun 2019 Sale & Mortgage Jul 2018 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1016-351-03-0000`

Property Details

APN / Parcel Number

Primary APN	`1016-351-03-0000`

Interior

Bedrooms	4 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,756 sqft Living Area
1st Floor Area	892 sqft
2nd Floor Area	864 sqft
Family Room	Family Room

Exterior

Year Built	Built 1915
Effective Year Built	Effective 1915
Architectural Style	Conventional
Construction Type	Frame
Roof Material	Built-Up Asphalt
Lot Area	94,089 sqft
Garage Type	Detached
Garage Area	588 sqft
Parking Spaces	2 Parking Spaces
Porch	Patio/Porch
Porch Area	288 sqft
Patio Area	288 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Floor/Wall Furnace
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	4231 WALNUT AVE
City	CHINO
State	CA
Zip	91710-2108
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	RANCHO SANTA ANA DEL CHINO E 150 FT W 301 FT LOT 39 SEC 3 TP 2S R 8W 2.16 AC M/L
Legal Range	8W
Legal Township	WP
Legal Section	3
Legal Subdivision	RANCHO SANTA ANA DEL CHINO
Legal Block	2
Legal Lot Number	39
Jurisdiction	SAN BERNARDINO CA
Township / Civil Division	ONTARIO
Census Block Group	2
Census Block	2000
Census Tract	501

Owner

Source: San Bernardino County records, as of July 14, 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	4231 WALNUT AVE, CHINO, CA 91710-2108
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jun 11, 2019	Grant Deed, Transfer · Conventional Mortgage MOUNTAIN WEST FINANCIAL INC
Jul 31, 2018	Deed of Trust, Mortgage · Conventional Mortgage MICHAEL & ADELE BUMBACA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 11, 2019 · Amount on Record
Deed Sale	Jun 11, 2019 · Amount on Record
Prior Sale	Jun 19, 2015 · Amount on Record
Deed Document Number	2019190324
Prior Transfer Date	Oct 15, 1997
Prior Transfer Doc	0000389238
Record Updated	Sep 20, 2026

June 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Jun 11, 2019
Property Address	4231 WALNUT AVE, CHINO, CA 91710-2108
Document Number	0000190324
Map Reference	MB 6 PG 15
Instrument Date	Apr 9, 2019
Instrument	2019-0190324
Transaction Type	Transfer
Record Updated	Aug 31, 2021
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
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	4231 WALNUT AVE, CHINO, CA 91710-2108

Mortgage

Document Number	0000190325
Date	Jun 11, 2019
Instrument	2019-0190325

Lender

Name	MOUNTAIN WEST FINANCIAL INC
Type	Funding / Finance Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2049

July 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN BERNARDINO CA
Property Address	4231 WALNUT AVE, CHINO, CA 91710-2108
Document Number	0000289307
Instrument Date	Jul 31, 2018
Transaction Type	Mortgage
Record Updated	Aug 17, 2018
Title Company	TICOR TITLE ORANGE COUNTY BR

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4231 WALNUT AVE CHINO CA 917102108, CHINO, CA 91710-2108
Investor	Possibly a Property Investor

Mortgage

Document Number	0000289307
Date	Aug 8, 2018
Instrument	289307

Lender

Name	MICHAEL & ADELE BUMBACA

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

Source: San Bernardino County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	San Bernardino County
Municipality	Chino City
Unified School District	Chino Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,075,249 (+2%) Land $376,337 Building $698,912
2025	$11,733.00 (+5.67%)	$1,054,166 (+4.04%) Land $368,958 Building $685,208
2023	$11,103.00 (+0.6%)	$1,013,232 Land $354,631 Building $658,601
2022	$11,037.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 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	CITY OF CHINO serves 90,187 people · EPA ID CA3610012
Water Source	Purchased surface water from several systems
Last State Inspection	May 2022
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 461 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

Nearby Properties on Walnut Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

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