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Property profile & analytics
OFF-MARKET
Estimated value
$990,000
Apartment buildings
670 4th St San Jose, CA 95112-5132
Individually Owned
Absentee Owner
~
Est. High Equity
Property ID
US09-6916519
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Year built
1956
Construction
WOOD
Total area
3,682 SF
Lot
0.15 ac (6,348 SF)
Zoning code
RM
APN
249-41-030
UPID
US09-6916519
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
$1.18M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$990k
Owner & transaction history
Nhung Hong Thi Nguyen
Nhung Hong Thi Nguyen
since 2025
7 recorded transactions
Zoning & alternative use
RM · San Jose, CA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
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 San Jose submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs San Jose 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%
$1,275,000
6.5%
$1,180,000
7%
$1,095,000
Alternative Use
Use
Estimation
APARTMENT HOUSE (5+ UNITS)
$1,410,000
Current use
RETAIL STORES
$1,360,000
Change: -4% · Conversion: Difficult
OFFICE BUILDING
$1,185,000
Change: -16% · Conversion: Moderate
Blend value · Realmo final
$990k
Range $891k – $1.09M · ±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
$269 / 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
$27,602
Tax year 2024
Assessed value
$2,091,000
Assessed 2024
Previous assessed
$2,091,000
+0.0% YoY
Effective rate
1.32%
On assessed value
Assessed land
$1,428,000
Assessed improvement
$663,000
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
1956
Construction
WOOD
Heating
NONE
Cooling
NONE
Stories
2
Units
7
Bathrooms
4
Total area
3,682 SF
Lot
0.15 ac (6,348 SF)
Zoning code
RM
APN
249-41-030
UPID
US09-6916519
Jurisdiction
SANTA CLARA
Zoning & alternative use
RM · San Jose, CA
Zoning RM · permitted uses
RM · San Jose, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
San Jose. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
APARTMENT HOUSE (5+ UNITS) Current
Est. value
$1.4M
RETAIL STORES
Est. value
$1.4M
OFFICE BUILDING
Est. value
$1.2M
APARTMENT HOUSE (5+ UNITS) Current
RETAIL STORES
OFFICE 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
1956
Construction
WOOD
Heating
NONE
Cooling
Yes
Stories
2
Units
7
Bathrooms
4
Lot
0.15 ac
Current owner
From public records · entity-resolved
Nhung Hong Thi Nguyen
Individual
Mailing address
7045 HUNTSFIELD CT, SAN JOSE, CA 95120-4231
Mailing matches property
Different — outreach signal
Owner-occupied
No
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
8 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Aug 11, 2025
—
Nhung Hong Thi Nguyen
Thi Hong Nhung Nguyen
Grant Deed
related
—
Sep 9, 2024
—
Thi Hong Nhung Nguyen
Thi Dung Pham
Grant Deed
—
Jun 6, 2024
—
Thi Dung Pham
—
Deed
related
$612,054 · Vu Hien Anh
Jul 19, 2022
$2,050,000
Thi Dung Pham
Pedro Marcos Rodriguez
Grant Deed
$600,000 · Pedro Marcos Rodriguez Etux
Dec 9, 2005
—
Pedro Marcos Rodriguez
Frank J Schwarb
Grant Deed
$595,000 · Luther Burbank Savings
Jun 2, 1989
$400,000
Schwarb,frank
Equity Preservat
Grant Deed
$265,000 · American Savings Bank
Jun 2, 1989
$280,000
Equity Preservat
Orvick,k./jrc Tr
Trustees Deed
related
—
Feb 24, 1989
$20,000
Jame Castellanos
Worthing,j.&m.
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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