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Property profile & analytics
OFF-MARKET
Estimated value
$4,960,000
Apartment buildings
666 El Monte Ave Los Altos, CA 94022-4067
Entity Owned
21-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US09-0217017
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Year built
1960
Construction
WOOD
Total area
26,588 SF
Lot
1.16 ac (50,400 SF)
Zoning code
R318
APN
170-38-063
UPID
US09-0217017
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
-
El Prado Real Estate Agency
-
Boutin R P Tax Preparation
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$4.96M
Owner & transaction history
Blue Bell Ents LLC · 21 yrs held
Blue Bell Ents LLC
since 2005
4 recorded transactions
Zoning & alternative use
R318 · Los Altos, 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 Los Altos submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Los Altos 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
CAP Approach
Comparable Approach
Alternative Use
Get a detailed, property-specific estimation — fast and free
Price per SF
Sale + rent benchmarks
Subject property
$187 / 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
$119,552
Tax year 2024
Assessed value
$9,010,197
Assessed 2024
Previous assessed
$9,010,197
+0.0% YoY
Effective rate
1.33%
On assessed value
Assessed land
$3,792,275
Assessed improvement
$5,217,922
Applied tax rate
11.0000
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
1960
Construction
WOOD
Heating
CENTRAL
Cooling
NONE
Stories
2
Units
27
Total area
26,588 SF
Lot
1.16 ac (50,400 SF)
Zoning code
R318
APN
170-38-063
UPID
US09-0217017
Jurisdiction
SANTA CLARA
Zoning & alternative use
R318 · Los Altos, CA
Zoning R318 · permitted uses
R318 · Los Altos, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Los Altos. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1960
Construction
WOOD
Heating
CENTRAL
Cooling
Yes
Stories
2
Units
27
Lot
1.16 ac
Current owner
From public records · entity-resolved
Blue Bell Ents LLC
Entity
Mailing address
1000 RALSTON AVE, BELMONT, CA 94002-2267
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2005
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
4 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jan 31, 2005
—
Blue Bell Ents LLC
Los Altos Investors Ltd
Grant Deed
—
—
—
Blue Bell Ents LLC
—
Deed Of Trust
related
$2,300,000 · Bank Of Marin
—
—
Blue Bell Ents LLC
—
Deed Of Trust
related
$3,300,000 · Arcs Commercial Mortgage Co LP
—
—
Los Altos Investors Ltd
—
Deed Of Trust
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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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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