Individually Owned 
For Lease
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1443 Main St, Napa, CA 94559
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Property summary
AI-generated overview
This exceptional Napa County commercial property, located at 1443 Main St, zip code 94559, offers a unique opportunity for businesses seeking executive office space. The property consists of four buildings totaling approximately 8,000 square feet, situated on a 0.45-acre lot. Built in 1986, the property features a variety of suite sizes, with a minimum divisible space of 129 square feet and a maximum contiguous space of 984 square feet. Currently, 1,113 square feet of space is vacant and immediately available for lease. The buildings offer diverse layouts
Property profile
Verified
Property type
Office Spaces
Use group
OFFICE (GENERAL)
Year built
1900
Construction
WOOD
Total area
2,136 SF
Lot
0.06 ac (2,613 SF)
Zoning code
RT 4
APN
003-135-013-000
UPID
US09-2604277
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$2.16M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$1.88M
Blend (final)
Blend
$2.35M
Owner & transaction history
since 2023
Last sale
$2.8M
4 recorded transactions
Zoning & alternative use
RT 4 · Napa, CA
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
Value estimation
Instant AI valuation built from comps, income signals, and proprietary benchmarks. A defensible range, not a single guess.
Unlock the complete Valuation workflow
Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
Full NOI build-up · 6 steps
Sensitivity value band
Source audit · 6 inputs
PDF export
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Summary
1
Valuation conclusion
Included free
Estimated market value
$2.35M
Value range
$2.11M – $2.58M
±10% around blend
Estimated value / SF
$1,098 / SF
Confidence
Property data
100
Market benchmarks
67
Comparable evidence
60
Income certainty
100
$2.11M
blend $2.35M
$2.58M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
2,136 SF
Lot area
0.06 ac
Year built
1900
Stories
2
APN
003-135-013-000
Zoning
RT 4
Assessed value
$1,071,000
Annual tax
$12,945
3
Income approach: direct capitalization
Partial preview
Estimated Stabilized NOI, derived from market rent, vacancy and expense benchmarks. Actual property income not reported.
Estimated market rent / SF
Potential gross income
Vacancy allowance
Effective gross income
Benchmark operating expenses
Stabilized NOI
Property tax
$12,945
Selected cap rate
4
Sales comparison
Partial preview
Sales approach indication
$1.88M
Range $783k – $1.97M
Evidence
6 found
Recent peer sales in this city
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$2.35M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
ZIP 65 sales
$626
+75%
County 153 sales
$612
+79%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $1,098/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Data & methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
County record
Operating expenses
Modeled
Market rent
Market benchmark
Not analyzed due to unavailable source data: actual rent roll, tenant leases, physical condition and capital
requirements are outside a desktop analysis.
Cost Approach excluded: income and sales evidence cover the value conclusion.
Automated valuation analysis, not a licensed appraisal. Figures are derived from public
records and proprietary models. Desktop analysis: no physical inspection, tenant leases or reported
property income. Verify with a licensed appraiser before transacting.
Cap rate
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
NOI build-up · 9 steps
Market rates by use type
PDF export
Professional plan · 30 reports
from $99/month
from $99/month
Overview
No cap rate is computable for this property yet: no recorded sale, income signal or market-rate row for its use type.
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$132k
Move the market yield to see immediate price impact.
Value / SF
$62
Vs. selected
Base
Derivation
NOI ÷ cap
Arithmetic over the derived NOI * — not market scenario modeling.
NOI × cap matrix
Preview
Preview of 9 modeled outcomes.
NOI
5.00%7.00%9.00%
$8k
$167k
$119k
$93k
$9k
$185k
$132k
$103k
$10k
$204k
$146k
$113k
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Tax billed
$12,945
Tax year 2024
Assessed value
$1,071,000
Assessed 2024
Previous assessed
$1,071,000
+0.0% YoY
Effective rate
1.21%
On assessed value
Assessed land
$591,600
Assessed improvement
$479,400
Applied tax rate
2.0000
Automated cap rate analysis. Based on public records, market benchmarks and proprietary
models. Verify with a licensed professional before transacting.
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Office Spaces
Use group
OFFICE (GENERAL)
Status
For Lease
Year built
1900
Construction
WOOD
Heating
CENTRAL
Cooling
CENTRAL
Stories
2
Total area
2,136 SF
Lot
0.06 ac (2,613 SF)
Zoning code
RT 4
APN
003-135-013-000
UPID
US09-2604277
Jurisdiction
NAPA
Zoning & alternative use
RT 4 · Napa, CAZoning RT 4 · permitted uses
RT 4 · Napa, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Building & site characteristics
From public records
Year built
1900
Construction
WOOD
Heating
CENTRAL
Cooling
Yes
Stories
2
Lot
0.06 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
RT 4
Jurisdiction
Napa, CA
Recorded code
RT 4
Zoning Insight
What can be built and operated here — officially.
The district profile from the municipal source: what is on file for RT 4 in Napa, CA.
What opens after registration
Zoning profile
3 official documentsVerified municipal sources with file download
Match provenanceAssignment basis, match tier and confidence
Private report access
See the official zoning profile for this address.
Registration is required before the official district profile is shown.
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Ownership Intelligence
Find the owner behind the property.
Unlock the evidence behind ownership: portfolio, transactions, debt and signals that help you decide who to contact next.
What opens after registration
Ownership report
Owner identityResolved entity and name variants
Portfolio holdingsLinked properties and estimated value
Deal signalsSell-side activity worth following
Debt & historyRecorded loans and transaction history
Private report access
See the ownership record for this address.
Registration is required before any owner information is shown.
One complete report on every paid plan · 30 · 300 reports per month.
Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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