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Property profile & analytics
OFF-MARKET
Apartment buildings
1830 Gravenstein S Hwy Sebastopol, CA 95472-4841
Individually Owned
18-yr Hold
~
Est. High Equity
Property ID
US09-2876361
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Year built
1917
Construction
WOOD
Total area
1,480 SF
Lot
2.37 ac (103,237 SF)
APN
063-051-046-000
UPID
US09-2876361
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
-
Solana Gold Organics Big Box & Wholesale Store Food Market
-
R & A Mobile Tire Services (Bike/Boat/Book/etc) Store Auto Parts Store
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
by Request
Owner & transaction history
John Kolling · 18 yrs held
John Kolling
since 2008
7 recorded transactions
Zoning & alternative use
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 Sebastopol submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Sebastopol 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
CAP Approach
Comparable Approach
Alternative Use
Get a detailed, property-specific estimation — fast and free
Price per SF
Sale + rent benchmarks
Subject property
—
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
$10,560
Tax year 2024
Assessed value
$871,286
Assessed 2024
Previous assessed
$871,286
+0.0% YoY
Effective rate
1.21%
On assessed value
Assessed land
$315,621
Assessed improvement
$555,665
Applied tax rate
90.0000
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
1917
Construction
WOOD
Heating
WOOD FURNACE
Cooling
NONE
Stories
1
Units
1
Rooms
7
Bathrooms
1
Total area
1,480 SF
Lot
2.37 ac (103,237 SF)
APN
063-051-046-000
UPID
US09-2876361
Jurisdiction
SONOMA
Zoning & alternative use
Zoning · permitted uses
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
1917
Construction
WOOD
Heating
WOOD FURNACE
Cooling
Yes
Stories
1
Units
1
Rooms
7
Bathrooms
1
Lot
2.37 ac
Current owner
From public records · entity-resolved
John Kolling
Individual
Mailing address
PO BOX 1340, SEBASTOPOL, CA 95473-1340
Ownership since
2008
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
8 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jun 28, 2016
—
John Kolling
—
Deed
related
$270,000 · Bank Of The West
Jul 24, 2008
$800,000
John Kolling
Kupperberg,michael
Grant Deed
$550,000 · Michael Kupperberg
Jan 31, 2003
—
Michael R Kupperberg
Kupperberg,tobias
Quit Claim Deed
related
—
Jun 21, 2001
—
Blashfield Trust
Blashfield,martha J
Quit Claim Deed
related
—
Dec 26, 1995
—
Michael Kupperberg
Tobias Kupperberg
Quit Claim Deed
related
—
Dec 30, 1992
$20,000
Michael Kupperberg
Blashfield,marth
Grant Deed
—
Dec 30, 1991
—
Micha Kupperberg
Blashfield,marth
Grant Deed
$80,000 · Seller
—
—
John Kolling
—
Deed Of Trust
related
$270,000 · 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.
Try Rey
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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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