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Property profile & analytics
FOR SALE
Apartment buildings
630 5Th St San Jose, CA 95112
Entity Owned
~
Est. High Equity
Property ID
US09-5580808
For Sale
1 / 30
$2,099,000
630 5Th St, San Jose, CA 95112
View Listing →
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Year built
1961
Construction
WOOD
Total area
4,817 SF
Lot
0.16 ac (6,894 SF)
Zoning code
RM
APN
472-25-064
UPID
US09-5580808
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
$1.54M
Comparable Approach
Comparable
$1.57M
Blend (final)
Blend
$1.49M
Owner & transaction history
S4 Ventures LLC
S4 Ventures LLC
since 2025
Last sale
$2.0M
7 recorded transactions
Zoning & alternative use
RM · San Jose, CA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Warehouse, storage
$2.2M
+19.5%
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%
$1,670,000
6.5%
$1,540,000
7%
$1,430,000
Alternative Use
Use
Estimation
APARTMENT HOUSE (5+ UNITS)
$1,845,000
Current use
WAREHOUSE, STORAGE
$2,205,000
Change: +19% · Conversion: Difficult
RETAIL STORES
$1,780,000
Change: -4% · Conversion: Difficult
OFFICE BUILDING
$1,550,000
Change: -16% · Conversion: Moderate
Blend value · Realmo final
$1.49M
Range $1.34M – $1.64M · ±10% · vs last sale $2.03M (Jul 14 2025)
Last sale anchor
$2.03M
Jul 14 2025
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
$309 / 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
$18,541
Tax year 2024
Assessed value
$1,175,257
Assessed 2024
Previous assessed
$1,175,257
+0.0% YoY
Effective rate
1.58%
On assessed value
Assessed land
$551,670
Assessed improvement
$623,587
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
For Sale
Year built
1961
Construction
WOOD
Heating
NONE
Cooling
NONE
Stories
2
Units
6
Total area
4,817 SF
Lot
0.16 ac (6,894 SF)
Zoning code
RM
APN
472-25-064
UPID
US09-5580808
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
$1.8M
WAREHOUSE, STORAGE
Est. value
$2.2M
RETAIL STORES
Est. value
$1.8M
OFFICE BUILDING
Est. value
$1.6M
APARTMENT HOUSE (5+ UNITS) Current
WAREHOUSE, STORAGE
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
1961
Construction
WOOD
Heating
NONE
Cooling
Yes
Stories
2
Units
6
Lot
0.16 ac
Current owner
From public records · entity-resolved
S4 Ventures LLC
Entity
Mailing address
PO BOX 41184, SAN JOSE, CA 95160-1184
Mailing matches property
Yes
Owner-occupied
Yes
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
14 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Oct 14, 2025
$2,025,000
S4 Ventures LLC
Alfio J Ragonesi
Grant Deed
$1,300,000 · Us Bank NA
Jun 6, 2025
—
Alfio J Ragonesi
—
Deed
related
$2,850,000 · Secured Income Fund-ii LLC
Nov 4, 2024
—
Alfio J Ragonesi
Alfio J Ragonesi
Deed
related
$1,165,000 · Jpmorgan Chase Bank NA
Oct 31, 2019
—
Alfio J Ragonesi
—
Deed
related
$1,250,000 · Axos Bank
Jan 31, 2007
$895,000
Alfio J Ragonesi
Ruddy,jerome F
Grant Deed
$626,500 · United Commercial Bank
Apr 4, 2002
$750,000
Jerome F Ruddy
Dejenfelt,anders T
Grant Deed
$530,000 · Washington Mutual Fsb
Apr 4, 2002
—
Anders T Dejenfelt
Voroninskaya,yulina
Grant Deed
related
—
Mar 27, 1997
$385,000
Anders T Dejenfelt
Dyer Trust
Grant Deed
$280,000 · American Savings Bank
Sep 19, 1994
—
Dyer Trust
Dyer,jmaes R
Quit Claim Deed
related
—
Dec 15, 1993
—
James Dyer
Dyer,james
Quit Claim Deed
related
—
Aug 31, 1993
—
James Dyer
Dyer,james
Quit Claim Deed
related
—
Aug 25, 1993
—
James Dyer
Peelle Financial
Trustees Deed
related
—
—
—
Cameron Doherty
—
Deed Of Trust
related
$80,000 · Individual
—
—
Anders T Dejenfelt
—
Deed Of Trust
related
$355,000 · Home Savings Of America
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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