436 N Mountain Ave, Upland, CA 91786 Property Records

San Bernardino County property record for 436 N Mountain Ave, Upland, CA 91786

Property Summary

Property Type	Medical Building
Details	6,376 sqft · built 1991
Lot Size	0.724 acres (31,557 sqft)
Owner	Company Name on Record
Last Sale	$2,750,000 (May 2021)
Tax Bill	$32,166 (2025)
Deeds & Mortgages	May 2021 Mortgage May 2021 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1007-521-16-0000`

Property Details

APN / Parcel Number

Primary APN	`1007-521-16-0000`

Interior

Stories	1 Story
Building Area	6,376 sqft Gross Area

Exterior

Year Built	Built 1991
Effective Year Built	Effective 1991
Construction Type	Wood
Fire Resistance	Wood or Wood & Steel Frame
Lot Area	31,557 sqft (0.724 acres)

Utilities, Heating & Cooling

Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	436 N MOUNTAIN AVE
City	UPLAND
State	CA
Zip	91786-5117
Property Category	Commercial
Property Type	Commercial > Office > Medical Building
Legal Description	TRACT 20122 LOT 3 BOOK 254 PAGE 89
Legal Tract	20122
Legal Block	1
Legal Lot Number	3
Jurisdiction	SAN BERNARDINO CA
Township / Civil Division	ONTARIO
Census Block Group	1
Census Block	1003
Census Tract	823

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	Company Name on Record
Mailing Address	PO BOX 1444, UPLAND, CA 91785-1444
Owner Type	Company
Vesting	Sole Owner

Deeds, Mortgages & Sale History

Date	Document
May 27, 2021	Deed of Trust, Mortgage · SBA Mortgage CALIFORNIA STATEWIDE CERTIFIED DEVELOPME
May 27, 2021	Grant Deed, Transfer · Stand-Alone First Mortgage ZB NA
Sep 14, 2020	Grant Deed, Transfer BNT TITLE COMPANY/CA, BNT TITLE CO/CA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 27, 2021 · Amount on Record
Deed Sale	May 27, 2021 · Amount on Record
Prior Sale	Sep 14, 2020 · Amount on Record
Deed Document Number	2021244997
Record Updated	Sep 20, 2026

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN BERNARDINO CA
Property Address	436 N MOUNTAIN AVE, UPLAND, CA 91786-5117
Transaction Type	Mortgage
Record Updated	Mar 7, 2023
Title Company	BNT TITLE COMPANY/CA, BNT TITLE COMPANY OF CA

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	436 N MOUNTAIN AVE, UPLAND, CA 91786-5117

Mortgage

Document Number	0000245002
Date	May 27, 2021
Instrument	2021-0245002

Lender

Name	CALIFORNIA STATEWIDE CERTIFIED DEVELOPME
Type	Non-Lending Institution
Address	DAVIS, CA 95616

Agreement

Type	SBA Mortgage
Amount	Amount Recorded

May 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	May 27, 2021
Property Address	436 N MOUNTAIN AVE, UPLAND, CA 91786-5117
Document Number	0000244997
Map Reference	MB 254 PG 89&90
Instrument Date	May 11, 2021
Instrument	2021-0244997
Transaction Type	Transfer
Record Updated	Mar 7, 2023
Title Company	BNT TITLE COMPANY OF CA

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
Address	333 E ARROW HWY, UPLAND, CA 91785-7088

Mortgage

Document Number	0000244998
Date	May 27, 2021
Instrument	2021-0244998

Lender

Name	ZB NA
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

Mortgage

Document Number	0000245000
Date	May 27, 2021
Instrument	2021-0245000

Lender

Name	ZB NA
Type	Bank
Address	SALT LAKE CITY, UT 84101

Agreement

Amount	Amount Recorded
Term	360 Months
Due	May 26, 2051

September 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Sep 14, 2020
Property Address	436 N MOUNTAIN AVE, UPLAND, CA 91786-5117
Document Number	0000343085
Instrument Date	Sep 11, 2020
Instrument	343085
Transaction Type	Transfer
Record Updated	Sep 24, 2020
Title Company	BNT TITLE COMPANY/CA, BNT TITLE CO/CA

Transaction

Amount	Amount Recorded
Tax	$2,812.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1900 W GARVEY AVE S #335 WEST COVINA CA 917902656, 335, WEST COVINA, CA 91790-2656

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	Upland City
Unified School District	Upland Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$3,036,221 (+2%) Land $872,223 Building $2,163,998
2025	$32,166.00 (+4.78%)	$2,976,688 (+4.04%) Land $855,121 Building $2,121,567
2023	$30,698.00 (+2.18%)	$2,861,100 Land $821,916 Building $2,039,184
2022	$30,044.00

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 99.1% of the US · lower than 99.2% 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 UPLAND serves 78,376 people · EPA ID CA3610050
Water Source	Surface water
Last State Inspection	Oct 2025
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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 395 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
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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