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Property profile & analytics
OFF-MARKET
Estimated value
$600,000
Investment properties
622 California St Ontario, CA 91762-4203
Individually Owned
4-yr Hold
Property ID
US10-0994919
Property profile
Verified
Property type
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Year built
1958
Construction
FRAME
Total area
2,057 SF
Lot
0.19 ac (8,100 SF)
APN
1049-292-17-0000
UPID
US10-0994919
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Implied cap rate, NOI & suggested price
Cap vs submarket · NOI estimate · 3 price anchors
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$610k
CAP Approach
CAP
$510k
Comparable Approach
Comparable
$612k
Blend (final)
Blend
$600k
Owner & transaction history
Mie Wang Siau · 4 yrs held
Mie Wang Siau
since 2022
Last sale
$575,000
7 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Cap rate
Implied · in-place · derived from last sale + estimated NOI
Implied Cap rate
#1
Implied · in-place · NOI ÷ last sale
In-place · derived from last sale + estimated NOI
Cap rate, NOI & submarket benchmark
Implied cap rate vs Ontario submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Ontario submarket · NOI estimate · typical band, median & reading
Refine your cap rate
8-question underwriting flow
1.
Property current status — Going-In vs Stabilized
2.
Price for denominator — asking / offer / market
3.
Leasing status & lease structure (NNN / Gross)
4.
Tenant risk profile & vacancy assumption
5.
Upload T12 / rent roll / OM (optional)
Refine in 60 seconds, get exact suggested price
T12 upload · Submarket benchmarks · Sensitivity grid
Suggested price · 3 cap rate anchors
Income approach @ 5% / 7% / 9% — aggressive / typical / conservative
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · Implied $/SF per anchor · Sensitivity grid
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · implied $/SF · sensitivity
Value
AI, CAP & Alternative Use estimations · Realmo proprietary blendValue Estimations
Based on Realmo’s proprietary methodology
AI Approach
Method
Estimation
Statistic approach
$620,000
ML approach
$610,000
CAP Approach
CAP Return
Estimation
6%
$555,000
6.5%
$510,000
7%
$475,000
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$910,000
Current use
OFFICE BUILDING
$895,000
Change: -2% · Conversion: Easy
Blend value · Realmo final
$600k
Range $540k – $660k · ±10% · vs last sale $575k (Jul 1 2022)
Last sale anchor
$575k
Jul 1 2022
Realmo estimate · informational only.
These numbers are calculated by our models from public records and may not reflect actual market value.
Not an appraisal.
Verify with a licensed appraiser before transacting. Realmo accepts no liability for divergence from real-world outcomes.
View the full estimation — every method, every assumption
Confidence drivers & risk notes · Custom comparable set · Free for first 3 / day
Full estimation methodology
Every method · every assumption · confidence drivers
Price per SF
Sale + rent benchmarks
Subject property
$292 / SF
Submarket sale & rent benchmarks
Median sale $/SF · Asking & closed rent · Submarket vacancy
Submarket sale & rent benchmarks
Median sale $/SF · asking & closed rent · submarket vacancy
Property tax & assessments
Tax year 2023Property tax & assessments
Tax year 2023
Tax billed
$6,243
Tax year 2023
Assessed value
$586,500
Assessed 2024
Previous assessed
$575,000
+2.0% YoY
Effective rate
1.06%
On assessed value
Assessed land
$204,000
Assessed improvement
$382,500
Applied tax rate
4.0000
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
Similar Nearby for Lease
Recent comparable sales
Sale price & price/SF · Sale date & distance · Adjustments & confidence
Recent comparable sales
Sale price & $/SF · sale date & distance · adjustments
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Status
Off-Market
Year built
1958
Construction
FRAME
Heating
FLOOR/WALL FURNACE
Cooling
EVAPORATIVE
Stories
1
Rooms
5
Bathrooms
2
Total area
2,057 SF
Lot
0.19 ac (8,100 SF)
APN
1049-292-17-0000
UPID
US10-0994919
Jurisdiction
SAN BERNARDINO
Zoning & alternative use
Zoning · permitted uses
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Alternative use value scenarios
Repositioning upside vs current use
COMMERCIAL (GENERAL) Current
Est. value
$910,000
OFFICE BUILDING
Est. value
$895,000
COMMERCIAL (GENERAL) Current
OFFICE BUILDING
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Alternative use deep dive
Conversion cost · permit path · stabilized NOI per option
Building & site characteristics
From public records
Year built
1958
Construction
FRAME
Heating
FLOOR/WALL FURNACE
Cooling
Yes
Stories
1
Rooms
5
Bathrooms
2
Lot
0.19 ac
Current owner
From public records · entity-resolved
Mie Wang Siau
Individual
Mailing address
622 W CALIFORNIA ST, ONTARIO, CA 91762-4203
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2022
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
7 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jul 1, 2022
$575,000
Mie Wang Siau
Cynthia L Lang
Grant Deed
$546,250 · Nations Direct Mortgage LLC
Feb 1, 2017
—
Jeffries,deborah A Trust
Jeffries,deborah A
Quit Claim Deed
related
—
Jan 10, 2011
—
Lang Cindy & D Living Trust
Lang,cynthia L
Quit Claim Deed
related
—
Sep 2, 2010
—
Deborah A Jeffries
Bartlett Audrey G Trust
Quit Claim Deed
related
—
Mar 30, 2009
—
Deborah A Jeffries
Bartlett,audrey G
Affidavit Of Death
related
—
Nov 16, 1994
—
Audrey,g Bartlett Tr
Bartlett,albert J
Quit Claim Deed
related
—
Jan 4, 1989
$80,000
Albert Bartlett
Silva David
Grant Deed
$30,000 · Silva David
Coming soon
Costs & Benchmarks
Operating expenses, capex projections, utility benchmarks, and submarket comparables — all in one view.
Coming soon
Risks
Flood, climate, environmental, title, and tenant-concentration risk — surfaced with mitigations and source citations.
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