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Property profile & analytics
OFF-MARKET
Estimated value
$1,700,000
Apartment buildings
524 Williamson Ave, Fullerton, CA 92832-2142
Entity Owned
~
Est. High Equity
Property ID
US09-2618784
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Year built
1961
Total area
6,003 SF
Lot
0.21 ac (9,100 SF)
APN
032-083-04
UPID
US09-2618784
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
$1.55M
Comparable Approach
Comparable
$1.44M
Blend (final)
Blend
$1.70M
Owner & transaction history
Oran Seven 25 Capital LLC
Oran Seven 25 Capital LLC
since 2025
Last sale
$1.9M
4 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Neighborhood: shopping center
$2.8M
+13.7%
Auto repair, garage
$2.7M
+8.1%
Office building
$2.6M
+4.0%
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 Fullerton submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Fullerton 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%
$1,670,000
6.5%
$1,545,000
7%
$1,430,000
Alternative Use
Use
Estimation
APARTMENT HOUSE (5+ UNITS)
$2,475,000
Current use
NEIGHBORHOOD: SHOPPING CENTER
$2,815,000
Change: +14% · Conversion: Difficult
AUTO REPAIR, GARAGE
$2,680,000
Change: +8% · Conversion: Difficult
OFFICE BUILDING
$2,575,000
Change: +4% · Conversion: Moderate
RETAIL STORES
$2,080,000
Change: -16% · Conversion: Difficult
INDUSTRIAL (GENERAL)
$2,020,000
Change: -19% · Conversion: Difficult
Blend value · Realmo final
$1.70M
Range $1.53M – $1.87M · ±10% · vs last sale $1.91M (Jun 24 2025)
Last sale anchor
$1.91M
Jun 24 2025
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
$283 / 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
$9,449
Tax year 2024
Assessed value
$710,825
Assessed 2024
Previous assessed
$710,825
+0.0% YoY
Effective rate
1.33%
On assessed value
Assessed land
$461,098
Assessed improvement
$249,727
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
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Status
Off-Market
Year built
1961
Heating
NONE
Stories
2
Units
7
Total area
6,003 SF
Lot
0.21 ac (9,100 SF)
APN
032-083-04
UPID
US09-2618784
Jurisdiction
ORANGE
Metro division
SANTA ANA-ANAHEIM-IRVINE, CA METROPOLITAN DIVISION
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
APARTMENT HOUSE (5+ UNITS) Current
Est. value
$2.5M
NEIGHBORHOOD: SHOPPING CENTER
Est. value
$2.8M
AUTO REPAIR, GARAGE
Est. value
$2.7M
OFFICE BUILDING
Est. value
$2.6M
RETAIL STORES
Est. value
$2.1M
INDUSTRIAL (GENERAL)
Est. value
$2.0M
APARTMENT HOUSE (5+ UNITS) Current
NEIGHBORHOOD: SHOPPING CENTER
AUTO REPAIR, GARAGE
OFFICE BUILDING
RETAIL STORES
INDUSTRIAL (GENERAL)
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
1961
Heating
NONE
Stories
2
Units
7
Lot
0.21 ac
Current owner
From public records · entity-resolved
Oran Seven 25 Capital LLC
Entity
Mailing address
PO BOX 17783, ANAHEIM, CA 92817-7783
Ownership since
2025
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
4 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Sep 24, 2025
$1,910,000
Oran Seven 25 Capital LLC
Sharon L Masters Trust
Grant Deed
$2,215,000 · Genesis Capital LLC
Sep 5, 2017
—
Beesley,dwyer & Susan Trust
Beesley,dwyer J & Susan M
Quit Claim Deed
related
—
Nov 5, 1999
—
Haron Masters
Masters,
Quit Claim Deed
related
—
Feb 4, 1993
$82,500
Dwyer J Beesley
Beesley,dwyer J
Grant 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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