517 N Mountain Ave, Upland, CA 91786 Property Records

San Bernardino County property record for 517 N Mountain Ave, Upland, CA 91786

Property Summary

Property Type	Commercial Office
Details	12,314 sqft · built 1984
Lot Size	0.72 acres (31,363 sqft)
Owner	Individual Name on File
Last Sale	$3,050,000 (Mar 2020)
Tax Bill	$36,076 (2025)
Deeds & Mortgages	May 2026 Sale Jun 2021 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`1007-211-44-0000`

Property Details

APN / Parcel Number

Primary APN	`1007-211-44-0000`

Interior

Units	27 Units
Stories	2 Stories
Building Area	12,314 sqft Gross Area
Elevator	Elevator

Exterior

Year Built	Built 1984
Effective Year Built	Effective 1984
Construction Type	Wood
Fire Resistance	Wood or Wood & Steel Frame
Lot Area	31,363 sqft (0.72 acres)

Utilities, Heating & Cooling

Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	517 N MOUNTAIN AVE
City	UPLAND
State	CA
Zip	91786-5016
Property Category	Commercial
Property Type	Commercial > Office > Commercial Office
Legal Description	PARCEL MAP 5096 PARCEL 2
Legal Subdivision	PARCEL MAP 5096
Legal Block	4
Jurisdiction	SAN BERNARDINO CA
Township / Civil Division	ONTARIO
Census Block Group	4
Census Block	4001
Census Tract	823

Owner

517 N Mountain Ave, a commercial property, is owned by an individual who bought it in March 2020.

Source: San Bernardino County records, as of July 14, 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	Individual Name on File
Mailing Address	1211 BRUNSWICK AVE, SOUTH PASADENA, CA 91030-3507
Owner Type	Individual
Vesting	Tenants in Common

Deeds, Mortgages & Sale History

Date	Document
May 1, 2026	Grant Deed, Transfer LAWYERS TITLE
Jun 30, 2021	Grant Deed, Transfer · Commercial Mortgage KINECTA FCU
Mar 12, 2020	Quit Claim Deed, Transfer FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INS CO NA
Mar 12, 2020	Grant Deed, Construction Loan · Construction Mortgage KINECTA FCU
Oct 23, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 12, 2020 · Amount on File
Deed Sale	Mar 12, 2020 · Amount on File
Prior Sale	Jul 3, 2013 · Amount on File
Deed Document Number	202089594
Prior Transfer Date	Jan 2, 2020
Prior Transfer Doc	0000089593
Record Updated	Oct 29, 2026

May 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	May 1, 2026
Property Address	517 N MOUNTAIN AVE, UPLAND, CA 91786-5016
Document Number	0000110633
Instrument Date	Mar 20, 2026
Instrument	2026110633
Transaction Type	Transfer
Record Updated	Jul 28, 2026
Title Company	LAWYERS TITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	1211 BRUNSWICK AVE, SOUTH PASADENA, CA 91030-3507

June 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Jun 30, 2021
Property Address	517 N MOUNTAIN AVE, UPLAND, CA 91786-5016
Document Number	0000296953
Map Reference	MB 51 PG 63
Instrument Date	Jun 18, 2021
Instrument	2021-0296953
Transaction Type	Transfer
Record Updated	Jul 22, 2022
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE CO NCS

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1211 BRUNSWICK AVE, SOUTH PASADENA, CA 91030-3507

Mortgage

Document Number	0000296954
Date	Jun 30, 2021
Instrument	2021-0296954

Lender

Name	KINECTA FCU
Type	Credit Union

Agreement

Type	Commercial Mortgage
Amount	Amount on Record
Term	181 Months
Due	Jul 1, 2036

March 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Mar 12, 2020
Property Address	517 N MOUNTAIN AVE, UPLAND, CA 91786-5016
Document Number	0000089593
Instrument Date	Jan 2, 2020
Instrument	89593
Transaction Type	Transfer
Record Updated	Apr 17, 2020
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INS CO NA

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	2231 N LAUREL WAY UPLAND CA 917841344, UPLAND, CA 91784-1344

March 2020: Grant Deed, Construction Loan

Document Type	Grant Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Mar 12, 2020
Property Address	517 N MOUNTAIN AVE, UPLAND, CA 91786-5016
Document Number	0000089594
Map Reference	MB 51 PG 63
Instrument Date	Dec 30, 2019
Instrument	2020-0089594
Transaction Type	Construction Loan
Record Updated	Jul 22, 2022
Title Company	FIRST AMERICAN TITLE INS CO

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	1211 BRUNSWICK AVE, SOUTH PASADENA, CA 91030-3507

Mortgage

Document Number	0000089595
Date	Mar 12, 2020
Instrument	2020-0089595

Lender

Name	KINECTA FCU
Type	Credit Union

Agreement

Type	Construction Mortgage
Amount	Amount on Record
Term	181 Months
Due	Apr 1, 2035

October 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Oct 23, 2017
Property Address	517 N MOUNTAIN AVE, UPLAND, CA 91786-5016
Document Number	0000437395
Instrument Date	Oct 12, 2017
Instrument	437395
Transaction Type	Transfer
Record Updated	Oct 31, 2017

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	517 N MOUNTAIN AVE UPLAND CA 917865016, UPLAND, CA 91786-5016

Tax Assessment & Valuation

The 2025 property tax bill for 517 N Mountain Ave was $36,076.

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		$3,402,334 (+2%) Land $870,105 Building $2,532,229
2025	$36,076.00	$3,335,621 Land $853,044 Building $2,482,577
2023	$34,418.00 (+2.18%)	$3,206,095 Land $819,920 Building $2,386,175
2022	$33,684.00

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

Flood

FEMA maps place 517 N Mountain Ave in Zone X, an area of minimal flood risk.

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

The area around 517 N 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	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 491 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Starlink Satellite	280 / 30
T-Mobile Fixed Wireless	100 / 20

May also be available: Frontier, GeoLinks, Verizon.

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