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Property profile & analytics
OFF-MARKET
Estimated value
$1,490,000
Office buildings
1331 B St Hayward, CA 94541-2988
Entity Owned
2-yr Hold
~
Est. High Equity
Property ID
US09-8803194
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1961
Construction
WOOD
Total area
8,133 SF
Lot
0.46 ac (20,169 SF)
APN
427-31-35
UPID
US09-8803194
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
Current use
Occupant on record · Public records
-
Atkins Akele Law Firm
-
Abel & Abel Law Firm
-
Williams Richard Law Firm
-
Legal Research Associates Law Firm
-
Ronald G. Peck Law Firm
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$1.46M
CAP Approach
CAP
$2.09M
Comparable Approach
Comparable
$1.51M
Blend (final)
Blend
$1.49M
Owner & transaction history
1331 45 B Street LLC · 2 yrs held
1331 45 B Street LLC
since 2023
Last sale
$1.5M
5 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$2.3M
+15.1%
Industrial (general)
$2.2M
+10.6%
Retail stores
$2.2M
+10.2%
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 Hayward submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Hayward 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
$1,355,000
ML approach
$1,455,000
CAP Approach
CAP Return
Estimation
6%
$2,260,000
6.5%
$2,090,000
7%
$1,940,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$2,000,000
Current use
COMMERCIAL (GENERAL)
$2,300,000
Change: +15% · Conversion: Easy
INDUSTRIAL (GENERAL)
$2,210,000
Change: +11% · Conversion: Difficult
RETAIL STORES
$2,200,000
Change: +10% · Conversion: Moderate
MEDICAL BUILDING
$2,170,000
Change: +9% · Conversion: Easy
Blend value · Realmo final
$1.49M
Range $1.34M – $1.64M · ±10% · vs last sale $1.50M (Aug 31 2023)
Last sale anchor
$1.50M
Aug 31 2023
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
$183 / 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
$11,730
Tax year 2023
Assessed value
$2,000,000
Assessed 2024
Previous assessed
$914,598
+118.7% YoY
Effective rate
0.59%
On assessed value
Assessed land
$900,000
Assessed improvement
$1,100,000
Applied tax rate
25.0000
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
1961
Construction
WOOD
Heating
NONE
Buildings
1
Stories
1
Bathrooms
4
Total area
8,133 SF
Lot
0.46 ac (20,169 SF)
APN
427-31-35
UPID
US09-8803194
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
$2.0M
COMMERCIAL (GENERAL)
Est. value
$2.3M
INDUSTRIAL (GENERAL)
Est. value
$2.2M
RETAIL STORES
Est. value
$2.2M
MEDICAL BUILDING
Est. value
$2.2M
OFFICE BUILDING Current
COMMERCIAL (GENERAL)
INDUSTRIAL (GENERAL)
RETAIL STORES
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
1961
Construction
WOOD
Heating
NONE
Stories
1
Buildings
1
Bathrooms
4
Lot
0.46 ac
Current owner
From public records · entity-resolved
1331 45 B Street LLC
Entity
Mailing address
316 SAN REY AVE, MILLBRAE, CA 94030-2025
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
5 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Nov 13, 2025
—
1331- 45 B Street LLC
—
Deed
related
$1,230,000 · City National Bank
Aug 31, 2023
$1,500,000
1331 45 B Street LLC
Christopher B Maisel
Grant Deed
$1,000,000 · The Cb & Dorothy Maisel Living Trus
Dec 3, 2010
—
Maisel C B & D Living Trust
Maisel C B & D Living Trust
Quit Claim Deed
related
—
Nov 18, 2005
—
Maisel C B & Dorothy Trust
Maisel,c B & Dorothy
Quit Claim Deed
related
—
Nov 15, 1979
—
Maisel C B
—
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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