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Property profile & analytics
OFF-MARKET
Estimated value
$805,000
Apartment buildings
12121 Sproul St Norwalk, CA 90650-3159
Entity Owned
6-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US09-8593929
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Year built
1967
Construction
WOOD
Total area
4,217 SF
Lot
0.18 ac (7,853 SF)
Zoning code
NOR3PY
APN
8056-005-005
UPID
US09-8593929
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
$1.04M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$805k
Owner & transaction history
Olympia 555 LLC · 6 yrs held
Olympia 555 LLC
since 2019
7 recorded transactions
Zoning & alternative use
NOR3PY · Norwalk, CA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$1.3M
+11.3%
Warehouse, storage
$1.2M
+5.9%
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 Norwalk submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Norwalk 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%
$1,125,000
6.5%
$1,040,000
7%
$965,000
Alternative Use
Use
Estimation
APARTMENT HOUSE (5+ UNITS)
$1,170,000
Current use
COMMERCIAL (GENERAL)
$1,305,000
Change: +11% · Conversion: Moderate
WAREHOUSE, STORAGE
$1,240,000
Change: +6% · Conversion: Difficult
Blend value · Realmo final
$805k
Range $725k – $886k · ±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
$191 / 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
$16,154
Tax year 2024
Assessed value
$1,178,488
Assessed 2024
Previous assessed
$1,178,488
+0.0% YoY
Effective rate
1.37%
On assessed value
Assessed land
$682,695
Assessed improvement
$495,793
Applied tax rate
6.0000
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
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Status
Off-Market
Year built
1967
Construction
WOOD
Heating
NONE
Units
5
Bathrooms
7
Total area
4,217 SF
Lot
0.18 ac (7,853 SF)
Zoning code
NOR3PY
APN
8056-005-005
UPID
US09-8593929
Jurisdiction
LOS ANGELES
Metro division
LOS ANGELES-LONG BEACH-GLENDALE, CA METROPOLITAN DIVISION
Zoning & alternative use
NOR3PY · Norwalk, CA
Zoning NOR3PY · permitted uses
NOR3PY · Norwalk, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Norwalk. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
APARTMENT HOUSE (5+ UNITS) Current
Est. value
$1.2M
COMMERCIAL (GENERAL)
Est. value
$1.3M
WAREHOUSE, STORAGE
Est. value
$1.2M
APARTMENT HOUSE (5+ UNITS) Current
COMMERCIAL (GENERAL)
WAREHOUSE, STORAGE
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
1967
Construction
WOOD
Heating
NONE
Units
5
Bathrooms
7
Lot
0.18 ac
Current owner
From public records · entity-resolved
Olympia 555 LLC
Entity
Mailing address
1047 S GRAND AVE, LOS ANGELES, CA 90015-1403
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2019
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 24, 2019
—
Olympia 555 LLC
Olympia 555 LLC
Grant Deed
related
$840,000 · Opus Bank
May 15, 2017
—
Olympia 555 LLC
Amouna,piam
Quit Claim Deed
related
—
May 5, 2017
$1,035,000
Piam Amouna
Martins Family Trust
Grant Deed
—
Jul 31, 2014
—
Martins Family Trust
Antonio E Martins
Intrafamily Transfer
related
$510,000 · Jpmorgan Chase Bank NA
Jan 7, 2014
—
Michael Tilton
Tilton,alice E
Affidavit Of Death
related
—
Dec 24, 2013
$670,000
Martins Antonio E
Kooiman Family Trust
Grant Deed
$335,000 · Yehezkilof Management LLC
Oct 15, 2008
—
Kooiman W A & L Living Trust
Kooiman W A & L Living Trust
Quit Claim Deed
related
—
May 8, 2006
—
Kooiman W A & L Living Trust
Kooiman,william A & Lynn
Quit Claim Deed
related
—
Apr 6, 2000
—
Kooiman,gene A & Marjorie A Co-t
Kooiman,g A & M A
Quit Claim Deed
related
—
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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