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Property profile & analytics
OFF-MARKET
Estimated value
$900,000
Investment properties
3006 Sastre Ave South El Monte, CA 91733
Individually Owned
3-yr Hold
Absentee Owner
Free & Clear
Property ID
US09-6355770
Property profile
Verified
Property type
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Year built
1947
Construction
WOOD
Total area
4,155 SF
Lot
0.32 ac (13,794 SF)
Zoning code
EMM1*
APN
8581-018-011
UPID
US09-6355770
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
by Request
CAP Approach
CAP
$1.13M
Comparable Approach
Comparable
$627k
Blend (final)
Blend
$900k
Owner & transaction history
Alan Ngai · 3 yrs held
Alan Ngai
since 2023
7 recorded transactions
Zoning & alternative use
EMM1* · South El Monte, CA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Office building
$1.5M
+16.5%
Auto repair, garage
$1.4M
+11.9%
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 South El Monte submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs South El Monte 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
by Request
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
$1,220,000
6.5%
$1,125,000
7%
$1,045,000
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$1,255,000
Current use
OFFICE BUILDING
$1,460,000
Change: +17% · Conversion: Easy
AUTO REPAIR, GARAGE
$1,400,000
Change: +12% · Conversion: Difficult
RETAIL STORES
$1,105,000
Change: -12% · Conversion: Easy
Blend value · Realmo final
$900k
Range $810k – $990k · ±10%
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
$217 / 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 2024Property tax & assessments
Tax year 2024
Tax billed
$14,302
Tax year 2024
Assessed value
$906,030
Assessed 2024
Previous assessed
$906,030
+0.0% YoY
Effective rate
1.58%
On assessed value
Assessed land
$446,046
Assessed improvement
$459,984
Applied tax rate
3.0000
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
1947
Construction
WOOD
Heating
NONE
Buildings
4
Stories
1
Units
6
Bathrooms
6
Total area
4,155 SF
Lot
0.32 ac (13,794 SF)
Zoning code
EMM1*
APN
8581-018-011
UPID
US09-6355770
Jurisdiction
LOS ANGELES
Metro division
LOS ANGELES-LONG BEACH-GLENDALE, CA METROPOLITAN DIVISION
Zoning & alternative use
EMM1* · South El Monte, CA
Zoning EMM1* · permitted uses
EMM1* · South El Monte, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
South El Monte. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
COMMERCIAL (GENERAL) Current
Est. value
$1.3M
OFFICE BUILDING
Est. value
$1.5M
AUTO REPAIR, GARAGE
Est. value
$1.4M
RETAIL STORES
Est. value
$1.1M
COMMERCIAL (GENERAL) Current
OFFICE BUILDING
AUTO REPAIR, GARAGE
RETAIL STORES
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
1947
Construction
WOOD
Heating
NONE
Stories
1
Buildings
4
Units
6
Bathrooms
6
Lot
0.32 ac
Current owner
From public records · entity-resolved
Alan Ngai
Individual
Free & Clear · 3 yrs held
Mailing address
375 W CAMINO REAL AVE, ARCADIA, CA 91007-6906
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2023
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
9 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jul 10, 2023
—
Alan Ngai
Annie Ngai
Intrafamily Transfer
related
—
Feb 22, 2023
—
Annie Ngai
Annie Ngai
Correction Deed
related
—
May 26, 2005
—
Ngai Annie Trust
Tran,annie
Grant Deed
—
Dec 13, 1989
—
Nguyen Lan H
Nguy
Quit Claim Deed
related
$500,000 · Cathay Bank
Oct 16, 1989
$850,000
Rmsc
Bohor
Trustees Deed
—
Oct 16, 1989
$100,000
Nguyen Lan H&
Bohorquez Orly
Trustees Deed
—
—
—
Orly Bohorquez
—
Deed Of Trust
related
$100,000 · Equity Investment Fund
—
—
Orly Bohorquez
—
Deed Of Trust
related
$35,000 · Sheu Jiin J
—
—
Orly Bohorquez
—
Deed Of Trust
related
$250,000 · Locasio Mary J
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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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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