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Property profile & analytics
OFF-MARKET
Estimated value
$1,320,000
Apartment buildings
131 Mathilda Ave Sunnyvale, CA 94086-6053
Individually Owned
3-yr Hold
Absentee Owner
Free & Clear
Property ID
US09-0021065
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Year built
1950
Construction
WOOD
Total area
3,159 SF
Lot
0.16 ac (7,038 SF)
APN
165-14-047
UPID
US09-0021065
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
-
Lester's water filtration system Home Appliance Store Building Supply
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$1.28M
CAP Approach
CAP
$1.03M
Comparable Approach
Comparable
$1.50M
Blend (final)
Blend
$1.32M
Owner & transaction history
Alfonso D Gonzalez · 3 yrs held
Alfonso D Gonzalez
since 2023
Last sale
$1.4M
7 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Office building
$2.0M
+58.5%
Retail stores
$1.7M
+36.9%
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
$1,310,000
ML approach
$1,275,000
CAP Approach
CAP Return
Estimation
6%
$1,115,000
6.5%
$1,025,000
7%
$955,000
Alternative Use
Use
Estimation
APARTMENT HOUSE (5+ UNITS)
$1,255,000
Current use
OFFICE BUILDING
$1,990,000
Change: +59% · Conversion: Moderate
RETAIL STORES
$1,720,000
Change: +37% · Conversion: Difficult
WAREHOUSE, STORAGE
$1,125,000
Change: -11% · Conversion: Difficult
Blend value · Realmo final
$1.32M
Range $1.19M – $1.45M · ±10% · vs last sale $1.35M (Apr 12 2023)
Last sale anchor
$1.35M
Apr 12 2023
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
$418 / 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
$12,878
Tax year 2024
Assessed value
$1,087,237
Assessed 2024
Previous assessed
$1,087,237
+0.0% YoY
Effective rate
1.18%
On assessed value
Assessed land
$439,075
Assessed improvement
$648,162
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
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Status
Off-Market
Year built
1950
Construction
WOOD
Heating
NONE
Cooling
NONE
Stories
2
Units
9
Total area
3,159 SF
Lot
0.16 ac (7,038 SF)
APN
165-14-047
UPID
US09-0021065
Jurisdiction
SANTA CLARA
Zoning & alternative use
Zoning · permitted uses
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Alternative use value scenarios
Repositioning upside vs current use
APARTMENT HOUSE (5+ UNITS) Current
Est. value
$1.3M
OFFICE BUILDING
Est. value
$2.0M
RETAIL STORES
Est. value
$1.7M
WAREHOUSE, STORAGE
Est. value
$1.1M
APARTMENT HOUSE (5+ UNITS) Current
OFFICE BUILDING
RETAIL STORES
WAREHOUSE, STORAGE
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
1950
Construction
WOOD
Heating
NONE
Cooling
Yes
Stories
2
Units
9
Lot
0.16 ac
Current owner
From public records · entity-resolved
Alfonso D Gonzalez
Individual
Free & Clear · 3 yrs held
Mailing address
211 N BROADWAY, EDMOND, OK 73034-3776
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2023
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
Apr 12, 2023
—
Alfonso D Gonzalez
Alfonso D Gonzalez
Intrafamily Transfer
related
—
Jul 8, 2019
—
Alfonso D Gonzalez
—
Deed
related
$710,000 · Wells Fargo Bank NA
Jan 31, 2013
—
Alfonso D Gonzalez
Alfonso D Gonzalez
Intrafamily Transfer
related
$825,000 · Jpmorgan Chase Bank NA
Dec 17, 2003
$1,350,000
Alson D Gonzalez
Nguyen,hung V & Thanh C
Grant Deed
$934,000 · United Commercial Bank
Nov 20, 2002
—
Martinez,tr
Martinez,rebecca M
Quit Claim Deed
related
$822,500 · Cathay Bank
Aug 5, 1996
—
Martinez Trust
Martinez,frank & Rebecca M
Quit Claim Deed
related
—
—
—
Frank Martinez
—
Deed Of Trust
related
$200,000 · 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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