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Property profile & analytics
OFF-MARKET
Estimated value
$545,000
Office buildings
843 Castro St Mountain View, CA 94041-2014
Entity Owned
4-yr Hold
Free & Clear
Property ID
US09-0367369
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1928
Construction
TILT-UP CONCRETE
Total area
1,500 SF
Lot
0.08 ac (3,360 SF)
Zoning code
P(19)
APN
158-06-039
UPID
US09-0367369
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
-
Castro Commons by GPR Ventures Real Estate Developer Condominium Complex
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$400k
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$366k
Blend (final)
Blend
$545k
Owner & transaction history
Castro Gprv 10 LLC · 4 yrs held
Castro Gprv 10 LLC
since 2021
6 recorded transactions
Zoning & alternative use
P(19) · Mountain View, 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 Mountain View submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Mountain View 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
$400,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$545k
Range $491k – $600k · ±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
$363 / 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 2022Property tax & assessments
Tax year 2022
Assessed value
$1,805,350
Assessed 2023
Previous assessed
$1,769,951
+2.0% YoY
Assessed land
$1,575,136
Assessed improvement
$230,214
Applied tax rate
5.0000
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
1928
Construction
TILT-UP CONCRETE
Heating
NONE
Cooling
NONE
Stories
1
Units
2
Total area
1,500 SF
Lot
0.08 ac (3,360 SF)
Zoning code
P(19)
APN
158-06-039
UPID
US09-0367369
Jurisdiction
SANTA CLARA
Zoning & alternative use
P(19) · Mountain View, CA
Zoning P(19) · permitted uses
P(19) · Mountain View, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Mountain View. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1928
Construction
TILT-UP CONCRETE
Heating
NONE
Cooling
Yes
Stories
1
Units
2
Lot
0.08 ac
Current owner
From public records · entity-resolved
Castro Gprv 10 LLC
Entity
Free & Clear · 4 yrs held
Mailing address
843 CASTRO ST, MOUNTAIN VIEW, CA 94041-2014
Ownership since
2021
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
6 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Nov 22, 2021
—
Castro Gprv 10 LLC
Castro Gprv 10 LLC
Correction Deed
related
—
Aug 17, 2015
$6,000,000
Gprv Castro 10 LLC
Mckell Family LP
Grant Deed
—
Dec 22, 2000
—
Mckell Family LP
—
Deed Of Trust
related
$1,540,000 · Bank Of The West
Jul 23, 1999
—
Mckell Family LP
Mv Concepts LLC
Grant Deed
related
—
Jul 22, 1999
$270,000
Mckell Trust
Mckell Trust
Grant Deed
related
—
Feb 8, 1996
—
Bradley L Mc Kell
Mc Kell,renae
Quit Claim 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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