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Property profile & analytics
OFF-MARKET
Medical Office Space
2020 Jefferson St Napa, CA 94559-1214
Trust Owned
~
Est. High Equity
Property ID
US09-3108042
Property profile
Verified
Property type
Medical Office Space
Use group
MEDICAL BUILDING
Lot
0.26 ac (11,325 SF)
Zoning code
OC
APN
003-041-034-000
UPID
US09-3108042
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
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
by Request
Owner & transaction history
Guilliam Nel Living Trust
Guilliam Nel Living Trust
since 2026
7 recorded transactions
Zoning & alternative use
OC · Napa, CA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Zoning description
The commercial office district implements the business professional land use category of the General Plan. It is meant to encourage concentrations of administrative, professional and business offices, public and quasi public uses and similar compatible uses, such as retail commercial uses oriented to the needs of nearby businesses. Intensive residential uses…
Zone name
Commercial Office
General category
COMMERCIAL
Zone area
31.76 ac
Source
Realmo
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 Napa submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Napa 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
$6,498
Tax year 2024
Assessed value
$505,912
Assessed 2024
Previous assessed
$505,912
+0.0% YoY
Effective rate
1.28%
On assessed value
Assessed land
$239,158
Assessed improvement
$266,754
Applied tax rate
2.0000
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
Medical Office Space
Use group
MEDICAL BUILDING
Status
Off-Market
Heating
NONE
Lot
0.26 ac (11,325 SF)
Zoning code
OC
APN
003-041-034-000
UPID
US09-3108042
Jurisdiction
NAPA
Zoning & alternative use
OC · Napa, CAZoning OC · permitted uses
OC · Napa, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Zoning description
The commercial office district implements the business professional land use category of the General Plan. It is meant to encourage concentrations of administrative, professional and business offices, public and quasi public uses and similar compatible uses, such as retail commercial uses oriented to the needs of nearby businesses. Intensive residential uses may also be allowed at appropriate locations. Conversions of residential rental units to nonresidential uses require review.
Zone name
Commercial Office
General category
COMMERCIAL
Zone area
31.76 ac
Source
Realmo
Building & site characteristics
From public records
Heating
NONE
Lot
0.26 ac
Current owner
From public records · entity-resolved
Guilliam Nel Living Trust
Trust
Mailing address
PO BOX 19531, SOUTH LAKE TAHOE, CA 96151-0531
Ownership since
2026
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
9 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Apr 28, 2026
—
Guilliam Nel Living Trust
Guilliam Nel
Grant Deed
related
—
Apr 23, 2020
—
Nel Guilliam
—
Deed
related
$89,518 · Bank Of Marin
Jul 16, 2013
—
Nel Guilliam
Nel Guilliam
Intrafamily Transfer
related
$185,000 · Bank Of Napa NA
Jan 14, 1994
—
Guilliam Nel
Nel,hester A
Quit Claim Deed
related
$64,000 · Individual
Nov 23, 1988
$275,000
Guilliam And Nel
Unknown
Grant Deed
—
—
—
Guilliam Nel
—
Deed Of Trust
related
$250,000 · Vintage Bank
—
—
Guilliam Nel
—
Deed Of Trust
related
$202,215 · Umpqua Bank
—
—
Nel Guilliam
—
Loan Modification
related
$89,518 · Bank Of Marin
—
—
Guilliam Nel
—
Deed Of Trust
related
$230,000 · Surety Fsb
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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