Back to Search
Property profile & analytics
OFF-MARKET
Estimated value
$8,005,000
Office buildings
520 Mercury Dr Sunnyvale, CA 94085-4018
Entity Owned
3-yr Hold
~
Est. High Equity
Property ID
US09-2969051
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1976
Construction
TILT-UP CONCRETE
Total area
17,268 SF
Lot
1.2 ac (52,272 SF)
Zoning code
MS
APN
216-44-103
UPID
US09-2969051
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
$8.93M
CAP Approach
CAP
$6.30M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$8.01M
Owner & transaction history
Dpt 520 Mercury Drive LLC · 3 yrs held
Dpt 520 Mercury Drive LLC
since 2022
Last sale
$8.0M
7 recorded transactions
Zoning & alternative use
MS · Sunnyvale, 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 Sunnyvale submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Sunnyvale 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
$8,795,000
ML approach
$8,930,000
CAP Approach
CAP Return
Estimation
6%
$6,825,000
6.5%
$6,300,000
7%
$5,850,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$10,885,000
Current use
RETAIL STORES
$9,400,000
Change: -14% · Conversion: Moderate
Blend value · Realmo final
$8.01M
Range $7.20M – $8.81M · ±10% · vs last sale $8.00M (Oct 20 2022)
Last sale anchor
$8.00M
Oct 20 2022
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
$464 / 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
$8,000,000
Assessed 2023
Previous assessed
$2,233,464
+258.2% YoY
Assessed land
$7,300,000
Assessed improvement
$700,000
Applied tax rate
9.0000
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
1976
Construction
TILT-UP CONCRETE
Heating
NONE
Cooling
YES
Stories
1
Units
1
Total area
17,268 SF
Lot
1.2 ac (52,272 SF)
Zoning code
MS
APN
216-44-103
UPID
US09-2969051
Jurisdiction
SANTA CLARA
Zoning & alternative use
MS · Sunnyvale, CA
Zoning MS · permitted uses
MS · Sunnyvale, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Sunnyvale. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$10.9M
RETAIL STORES
Est. value
$9.4M
OFFICE BUILDING Current
RETAIL STORES
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
1976
Construction
TILT-UP CONCRETE
Heating
NONE
Cooling
Yes
Stories
1
Units
1
Lot
1.2 ac
Current owner
From public records · entity-resolved
Dpt 520 Mercury Drive LLC
Entity
Mailing address
458 CARLTON CT, SOUTH SAN FRANCISCO, CA 94080-2012
Ownership since
2022
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
7 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Oct 20, 2022
$8,000,000
Dpt 520 Mercury Drive LLC
8n Properties LLC
Grant Deed
$4,800,000 · The Bank Of East Asia (usa) NA
Mar 8, 2011
—
Robert B Tsukuda
Tsukuda,amy T
Quit Claim Deed
related
—
Mar 8, 2011
$1,850,000
8n Properties LLC
Tsukuda,robert B
Grant Deed
$1,295,000 · Bank Of America
Aug 3, 2007
—
Robert B Tsukuda
Tsukuda,robert B
Quit Claim Deed
related
—
Jul 27, 2007
—
Robert B Tsukuda
Tsukuda,amy T
Quit Claim Deed
related
—
Jul 27, 2007
$160,000
Tsukuda George 2003 Trust
Tsukuda G 2003 Trust
Grant Deed
related
—
Jun 26, 2003
—
Tsukuda,tr
Tsukuda,george T
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.
Try Rey
Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
You own 520 Mercury Dr?
List it free. Reach 20,000 daily buyers.
We’ve already pulled the facts. Confirm photos + price and you’re live in 2 minutes.
List this address →
Full reports are paid
Unlock the full Property Analytics report
Start free for 7 days — no card required. Full owner contacts, all 4 valuations with methodology, refine flow, comparable adjustments, foot-traffic deep dive, export to PDF / CSV.