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Property profile & analytics
OFF-MARKET
Estimated value
$1,130,000
Apartment buildings
673 31st St Oakland, CA 94609-2945
Individually Owned
6-yr Hold
~
Est. High Equity
Property ID
US09-6916465
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Year built
1914
Construction
WOOD
Total area
7,288 SF
Lot
0.16 ac (7,000 SF)
APN
9-709-35
UPID
US09-6916465
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
-
Clean All Star (Bike/Boat/Book/etc) Store
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$1.55M
Blend (final)
Blend
$1.13M
Owner & transaction history
Yu Wang · 6 yrs held
Yu Wang
since 2019
7 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Office building
$1.8M
+11.8%
Retail stores
$1.7M
+10.3%
Commercial (general)
$1.7M
+5.4%
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 Oakland submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Oakland 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%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
APARTMENT HOUSE (5+ UNITS)
$1,570,000
Current use
OFFICE BUILDING
$1,755,000
Change: +12% · Conversion: Moderate
RETAIL STORES
$1,735,000
Change: +10% · Conversion: Difficult
COMMERCIAL (GENERAL)
$1,655,000
Change: +5% · Conversion: Moderate
Blend value · Realmo final
$1.13M
Range $1.02M – $1.24M · ±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
$155 / 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
$24,799
Tax year 2023
Assessed value
$1,435,313
Assessed 2024
Previous assessed
$1,407,173
+2.0% YoY
Effective rate
1.73%
On assessed value
Assessed land
$301,185
Assessed improvement
$1,134,128
Applied tax rate
17.0000
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
1914
Construction
WOOD
Heating
NONE
Buildings
2
Stories
3
Units
6
Rooms
26
Bathrooms
8
Total area
7,288 SF
Lot
0.16 ac (7,000 SF)
APN
9-709-35
UPID
US09-6916465
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
APARTMENT HOUSE (5+ UNITS) Current
Est. value
$1.6M
OFFICE BUILDING
Est. value
$1.8M
RETAIL STORES
Est. value
$1.7M
COMMERCIAL (GENERAL)
Est. value
$1.7M
APARTMENT HOUSE (5+ UNITS) Current
OFFICE BUILDING
RETAIL STORES
COMMERCIAL (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
1914
Construction
WOOD
Heating
NONE
Stories
3
Buildings
2
Units
6
Rooms
26
Bathrooms
8
Lot
0.16 ac
Current owner
From public records · entity-resolved
Yu Wang
Individual
Mailing address
20 CORLISS DR, MORAGA, CA 94556-1205
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
14 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Aug 7, 2019
—
Yu Wang
Bo Huaishi
Intrafamily Transfer
related
—
Dec 11, 2017
—
Yu Wang
Wang,jie
Quit Claim Deed
related
—
Jun 27, 2013
$650,000
Jie Wang
Yi,noel & Meiling
Grant Deed
$455,000 · Opus Bank
Oct 19, 2012
—
Noel Yi
Tarantino Joseph J Trust
Quit Claim Deed
related
—
Apr 26, 2007
—
Tarantino Joseph J Trust
Tarantino,joseph J
Quit Claim Deed
related
—
Dec 23, 2005
—
Joseph J Tarantino
Tarantino,mary
Quit Claim Deed
related
—
Dec 23, 2005
$950,000
Joseph J Tarantino
Yi,noel & Meiling
Grant Deed
$760,000 · Noel & Meiling Yi
Jun 29, 1999
—
Noel Yi
Qi,wilson
Grant Deed
related
—
Jun 26, 1997
—
Wilson Qi
Hilltop Bp N2 Associates LP
Quit Claim Deed
related
$100,000 · Randy Horn Dds INC Ttee
Jan 7, 1997
$72,000
Hilltop Bp Nk Assoc LP
Knickerbocker,calvin A
Trustees Deed
—
Jun 8, 1989
—
Rim Asse Pacific
Knickerbocker,c.
Grant Deed
related
—
Feb 17, 1988
$30,000
Knickerbocker Ca
Reinh
Trustees Deed
—
—
—
Ca Knickerbocker
—
Deed Of Trust
related
$275,000 · Pan American Savings & Loan
—
—
Noel Yi
—
Deed Of Trust
related
$500,000 · East West 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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