Back to Search
Property profile & analytics
OFF-MARKET
Estimated value
$500,000
Showrooms
18 Porter Dr Royal Oaks, CA 95076-5223
Individually Owned
1-yr Hold
Free & Clear
Property ID
US09-1311448
Property profile
Verified
Property type
Showrooms
Use group
SHOW ROOM, WAREHOUSE
Year built
1997
Construction
WOOD
Total area
1,980 SF
Lot
0.12 ac (5,250 SF)
APN
117-332-024-000
UPID
US09-1311448
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
$345k
CAP Approach
CAP
$420k
Comparable Approach
Comparable
$348k
Blend (final)
Blend
$500k
Owner & transaction history
Diego Martinez · 1 yrs held
Diego Martinez
since 2025
Last sale
$590,000
7 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Office building
$820,000
+8.9%
Auto repair, garage
$790,000
+5.0%
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 Royal Oaks submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Royal Oaks 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
$345,000
CAP Approach
CAP Return
Estimation
6%
$455,000
6.5%
$420,000
7%
$390,000
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$750,000
Current use
OFFICE BUILDING
$820,000
Change: +9% · Conversion: Easy
AUTO REPAIR, GARAGE
$790,000
Change: +5% · Conversion: Difficult
MEDICAL BUILDING
$615,000
Change: -18% · Conversion: Easy
Blend value · Realmo final
$500k
Range $450k – $550k · ±10% · vs last sale $590k (Apr 9 2025)
Last sale anchor
$590k
Apr 9 2025
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
$253 / 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 2023Property tax & assessments
Tax year 2023
Tax billed
$6,242
Tax year 2023
Assessed value
$471,625
Assessed 2023
Previous assessed
$471,625
+0.0% YoY
Effective rate
1.32%
On assessed value
Assessed land
$214,544
Assessed improvement
$257,081
Applied tax rate
53.0000
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
Showrooms
Use group
SHOW ROOM, WAREHOUSE
Status
Off-Market
Year built
1997
Construction
WOOD
Heating
NONE
Stories
1
Units
1
Rooms
7
Bathrooms
2
Total area
1,980 SF
Lot
0.12 ac (5,250 SF)
APN
117-332-024-000
UPID
US09-1311448
Jurisdiction
MONTEREY
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
COMMERCIAL (GENERAL) Current
Est. value
$750,000
OFFICE BUILDING
Est. value
$820,000
AUTO REPAIR, GARAGE
Est. value
$790,000
MEDICAL BUILDING
Est. value
$615,000
COMMERCIAL (GENERAL) Current
OFFICE BUILDING
AUTO REPAIR, GARAGE
MEDICAL BUILDING
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
1997
Construction
WOOD
Heating
NONE
Stories
1
Units
1
Rooms
7
Bathrooms
2
Lot
0.12 ac
Current owner
From public records · entity-resolved
Diego Martinez
Individual
Free & Clear · 1 yrs held
Mailing address
18 PORTER DR, ROYAL OAKS, CA 95076-5223
Mailing matches property
Yes
Owner-occupied
Yes
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
11 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jul 9, 2025
—
Diego Martinez
Nancy Jauregui Martinez
Deed
related
—
Jul 9, 2025
$590,000
Diego Martinez
Community Loan Servicing LLC
Grant Deed
—
May 30, 2025
$749,038
Community Loan Servicing LLC
Diana Cueva Padilla
Trust Deed
related
—
Sep 28, 2005
—
Diana C Padilla
Serrano,juan C
Grant Deed
$330,000 · Interbay Funding LLC
Oct 14, 2003
$76,500
Diana C Padilla
USA
Quit Claim Deed
related
—
Apr 29, 2003
$203,909
USA
Cueva,javier S
Trustees Deed
—
Dec 14, 1992
$250,000
Javier Cueva
Sanchez,ricardo
Grant Deed
$190,000 · Seller
—
—
Javier Cueva
—
Deed Of Trust
related
$262,500 · USA
—
—
Diana C Padilla
—
Deed Of Trust
related
$2,000 · Louise Hoover
—
—
Diana Cuevas
—
Deed Of Trust
related
$75,000 · American Surety Co
—
—
Diana C Padilla
—
Deed Of Trust
related
$10,000 · Cindi R Sloan
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 18 Porter 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.
