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Property profile & analytics
OFF-MARKET
Estimated value
$4,360,000
Office Spaces
1030 Main St Saint Helena, CA 94574-2056
Individually Owned
29-yr Hold
~
Est. High Equity
Property ID
US09-2715730
Property profile
Verified
Property type
Office Spaces
Use group
OFFICE (GENERAL)
Year built
1997
Construction
WOOD
Total area
28,420 SF
Lot
1.7 ac (74,052 SF)
APN
009-090-049-000
UPID
US09-2715730
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
by Request
CAP Approach
CAP
$4.30M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$4.36M
Owner & transaction history
Creek Assoc Sulphur IV · 29 yrs held
Creek Assoc Sulphur IV
since 1996
5 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 Saint Helena submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Saint Helena 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%
$4,655,000
6.5%
$4,295,000
7%
$3,990,000
Blend value · Realmo final
$4.36M
Range $3.92M – $4.80M · ±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
$153 / 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
$84,071
Tax year 2024
Assessed value
$7,835,076
Assessed 2024
Previous assessed
$7,835,076
+0.0% YoY
Effective rate
1.07%
On assessed value
Assessed land
$1,515,290
Assessed improvement
$6,319,786
Applied tax rate
3.0000
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 Spaces
Use group
OFFICE (GENERAL)
Status
Off-Market
Year built
1997
Construction
WOOD
Heating
CENTRAL
Cooling
YES
Total area
28,420 SF
Lot
1.7 ac (74,052 SF)
APN
009-090-049-000
UPID
US09-2715730
Jurisdiction
NAPA
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
1997
Construction
WOOD
Heating
CENTRAL
Cooling
Yes
Lot
1.7 ac
Current owner
From public records · entity-resolved
Creek Assoc Sulphur IV
Individual
Mailing address
1030 MAIN ST STE #300, SAINT HELENA, CA 94574-2056
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
1996
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
5 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 20, 2017
—
Sulphur Creek Associates IV LP
—
Grant Deed
related
$4,000,000 · First Republic Bk
Oct 24, 1996
—
Creek Assoc Sulphur IV
Sulphur Creek Assoc
Quit Claim Deed
related
$3,000,000 · Silicon Valley Bank
Feb 23, 1996
—
Sulpher Creek Associates
—
Grant Deed
related
$750,000 · Silicon Valley Bank
—
—
Sulphur Creek Associates IV LP
—
Deed Of Trust
related
$3,300,000 · Column Financial INC
—
—
Creek Assocs Sulphur IV
—
Deed Of Trust
related
$3,250,000 · First Republic Bank
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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