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Property profile & analytics
OFF-MARKET
Estimated value
$760,000
Office buildings
20880 Redwood Rd, Castro Valley, CA 94546-5916
Entity Owned
5-yr Hold
~
Est. High Equity
Property ID
US09-8272003
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1959
Construction
WOOD
Total area
1,728 SF
Lot
0.17 ac (7,273 SF)
APN
84C-618-3-8
UPID
US09-8272003
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
$785k
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$724k
Blend (final)
Blend
$760k
Owner & transaction history
20880 Redwood LLC · 5 yrs held
20880 Redwood LLC
since 2021
Last sale
$775,000
7 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Neighborhood: shopping center
$735,000
+31.0%
Auto repair, garage
$640,000
+14.0%
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 Castro Valley submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Castro Valley 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
$745,000
ML approach
$785,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
OFFICE BUILDING
$560,000
Current use
NEIGHBORHOOD: SHOPPING CENTER
$735,000
Change: +31% · Conversion: Difficult
AUTO REPAIR, GARAGE
$640,000
Change: +14% · Conversion: Difficult
RETAIL STORES
$500,000
Change: -11% · Conversion: Moderate
COMMERCIAL (GENERAL)
$475,000
Change: -15% · Conversion: Easy
MEDICAL BUILDING
$460,000
Change: -18% · Conversion: Easy
Blend value · Realmo final
$760k
Range $684k – $836k · ±10% · vs last sale $775k (Jun 23 2021)
Last sale anchor
$775k
Jun 23 2021
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
$440 / 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
$12,823
Tax year 2023
Assessed value
$822,430
Assessed 2024
Previous assessed
$806,310
+2.0% YoY
Effective rate
1.56%
On assessed value
Assessed land
$541,212
Assessed improvement
$281,218
Applied tax rate
54.0000
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
Office buildings
Use group
OFFICE BUILDING
Status
Off-Market
Year built
1959
Construction
WOOD
Heating
NONE
Buildings
1
Stories
1
Units
2
Total area
1,728 SF
Lot
0.17 ac (7,273 SF)
APN
84C-618-3-8
UPID
US09-8272003
Jurisdiction
ALAMEDA
Metro division
OAKLAND-FREMONT-HAYWARD, 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
OFFICE BUILDING Current
Est. value
$560,000
NEIGHBORHOOD: SHOPPING CENTER
Est. value
$735,000
AUTO REPAIR, GARAGE
Est. value
$640,000
RETAIL STORES
Est. value
$500,000
COMMERCIAL (GENERAL)
Est. value
$475,000
MEDICAL BUILDING
Est. value
$460,000
OFFICE BUILDING Current
NEIGHBORHOOD: SHOPPING CENTER
AUTO REPAIR, GARAGE
RETAIL STORES
COMMERCIAL (GENERAL)
MEDICAL 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
1959
Construction
WOOD
Heating
NONE
Stories
1
Buildings
1
Units
2
Lot
0.17 ac
Current owner
From public records · entity-resolved
20880 Redwood LLC
Entity
Mailing address
20880 REDWOOD RD, CASTRO VALLEY, CA 94546-5916
Ownership since
2021
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
10 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jun 23, 2021
$775,000
20880 Redwood LLC
Patricia G Davis
Grant Deed
$542,500 · Fremont Bank
Feb 22, 2021
—
Tammy L Henshaw
Tammy L Henshaw
Intrafamily Transfer
related
—
Jul 30, 2020
—
Girard Family Trust
Bart M Girard
Quit Claim Deed
related
—
Jun 10, 2020
—
Tammy L Henshaw
Beckerleg E & D F/tr
Quit Claim Deed
related
—
Mar 13, 2020
—
Beckerleg,e & D Fam Trust
Deborah R Beckerleg
Affidavit Of Death
related
—
Nov 5, 2018
—
Beckerleg,e & D F Trust
Beckerleg,ernest E
Affidavit Of Death
related
—
Jun 10, 2009
—
Moore Flo Trust
Moore,florence E
Quit Claim Deed
related
—
Feb 7, 2005
—
Moore B G
Moore,bill G & Florence E
Quit Claim Deed
related
—
Aug 23, 2000
—
Beckerleg Trust
Beckerleg,ernest & Deborah R
Quit Claim Deed
related
—
Nov 13, 1992
—
Ernest Beckerleg
Beckerleg,e.&d.
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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