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Property profile & analytics
OFF-MARKET
Estimated value
$1,295,000
Office buildings
20632 Redwood Rd, Castro Valley, CA 94546-5602
Entity Owned
7-yr Hold
~
Est. High Equity
Property ID
US09-8165401
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1992
Construction
WOOD
Total area
5,255 SF
Lot
0.26 ac (11,397 SF)
APN
84C-773-10
UPID
US09-8165401
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
$1.35M
Comparable Approach
Comparable
$1.58M
Blend (final)
Blend
$1.30M
Owner & transaction history
Nanak Building LLC · 7 yrs held
Nanak Building LLC
since 2019
6 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Auto repair, garage
$1.9M
+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
by Request
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
$1,460,000
6.5%
$1,350,000
7%
$1,255,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$1,705,000
Current use
AUTO REPAIR, GARAGE
$1,945,000
Change: +14% · Conversion: Difficult
RETAIL STORES
$1,525,000
Change: -11% · Conversion: Moderate
COMMERCIAL (GENERAL)
$1,445,000
Change: -15% · Conversion: Easy
INDUSTRIAL (GENERAL)
$1,430,000
Change: -16% · Conversion: Difficult
APARTMENT HOUSE (5+ UNITS)
$1,425,000
Change: -16% · Conversion: Easy
Blend value · Realmo final
$1.30M
Range $1.17M – $1.42M · ±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
$246 / 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
$25,442
Tax year 2023
Assessed value
$1,520,000
Assessed 2024
Previous assessed
$1,608,285
-5.5% YoY
Effective rate
1.67%
On assessed value
Assessed land
$500,000
Assessed improvement
$1,020,000
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
1992
Construction
WOOD
Heating
NONE
Buildings
1
Stories
2
Total area
5,255 SF
Lot
0.26 ac (11,397 SF)
APN
84C-773-10
UPID
US09-8165401
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
$1.7M
AUTO REPAIR, GARAGE
Est. value
$1.9M
RETAIL STORES
Est. value
$1.5M
COMMERCIAL (GENERAL)
Est. value
$1.4M
INDUSTRIAL (GENERAL)
Est. value
$1.4M
APARTMENT HOUSE (5+ UNITS)
Est. value
$1.4M
OFFICE BUILDING Current
AUTO REPAIR, GARAGE
RETAIL STORES
COMMERCIAL (GENERAL)
INDUSTRIAL (GENERAL)
APARTMENT HOUSE (5+ UNITS)
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
1992
Construction
WOOD
Heating
NONE
Stories
2
Buildings
1
Lot
0.26 ac
Current owner
From public records · entity-resolved
Nanak Building LLC
Entity
Mailing address
16177 HESPERIAN BLVD, SAN LORENZO, CA 94580-2451
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
6 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Apr 12, 2019
$1,500,000
Nanak Building LLC
Robert E Darnell JR Trust
Grant Deed
$1,350,000 · Jpmorgan Chase Bank NA
Nov 8, 1993
—
Robert,e Darnell Trust
Darnell,robert E
Quit Claim Deed
related
—
Feb 5, 1993
—
Robert,e Darnell Trust
Darnell,robert
Quit Claim Deed
related
—
May 6, 1992
$75,000
Robert Darnell
Mcdonald J./mcdo
Grant Deed
$75,000 · Seller
—
—
Darnell Trust
—
Deed Of Trust
related
$304,595 · Us Bank
—
—
Robert Darnell
—
Deed Of Trust
related
$350,000 · Concord Commercial Bank
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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