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Property profile & analytics
OFF-MARKET
Estimated value
$1,645,000
Office buildings
380 Mathilda Ave Sunnyvale, CA 94086-6130
Individually Owned
1-yr Hold
Free & Clear
Property ID
US09-2698611
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1972
Construction
TILT-UP CONCRETE
Total area
6,120 SF
Lot
0.31 ac (13,572 SF)
Zoning code
C3PD
APN
209-34-002
UPID
US09-2698611
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
-
Danny D. Chung - BancWest Investment Services Financial Advisor Financial Advisor
-
BMO Bank Loan Service
-
BMO - ATM Atm
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$2.24M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$1.65M
Owner & transaction history
Leslie C Lewis · 1 yrs held
Leslie C Lewis
since 2025
6 recorded transactions
Zoning & alternative use
C3PD · 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
by Request
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
$2,420,000
6.5%
$2,235,000
7%
$2,075,000
Blend value · Realmo final
$1.65M
Range $1.48M – $1.81M · ±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
$23,210
Tax year 2024
Assessed value
$1,977,032
Assessed 2024
Previous assessed
$1,977,032
+0.0% YoY
Effective rate
1.17%
On assessed value
Assessed land
$592,647
Assessed improvement
$1,384,385
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
1972
Construction
TILT-UP CONCRETE
Heating
NONE
Cooling
YES
Stories
2
Units
1
Total area
6,120 SF
Lot
0.31 ac (13,572 SF)
Zoning code
C3PD
APN
209-34-002
UPID
US09-2698611
Jurisdiction
SANTA CLARA
Zoning & alternative use
C3PD · Sunnyvale, CAZoning C3PD · permitted uses
C3PD · Sunnyvale, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Building & site characteristics
From public records
Year built
1972
Construction
TILT-UP CONCRETE
Heating
NONE
Cooling
Yes
Stories
2
Units
1
Lot
0.31 ac
Current owner
From public records · entity-resolved
Leslie C Lewis
Individual
Free & Clear · 1 yrs held
Mailing address
PO BOX 5155, SAN RAMON, CA 94583-5155
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
6 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Mar 7, 2025
—
Leslie C Lewis
Leslie C Lewis
Deed
related
—
Nov 26, 2013
$1,400,000
Darlene H R Archdeacon
Gladys Rose Ents LP
Grant Deed
—
Mar 25, 2005
$8,500
Gladys Rose Ents
Romano W S & G E Trust A
Grant Deed
—
Jul 29, 2004
—
Romano,tr
Romano,tr
Quit Claim Deed
related
—
—
—
Gibes J.
—
Deed Of Trust
related
$29,000 · Bank Of The West
—
—
P. Ernst
—
Deed Of Trust
related
$13,000 · Bank Of The West
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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