Individually Owned
No photos on file
For Sale
Contact for pricing
412 Humboldt St, Santa Rosa, CA 95404
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Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING (MULTI-STORY)
Year built
1914
Construction
WOOD
Total area
1,620 SF
Lot
0.11 ac (5,000 SF)
APN
009-023-018-000
UPID
US09-0381236
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Current use
Occupant on record · Public records
-
Nail Salon
-
IT Consulting Firm (Bike/Boat/Book/etc) Store
-
Medical Clinic Skin Care Clinic
-
Nail Salon
-
(Bike/Boat/Book/etc) Store Cosmetic Store
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$685k
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$647k
Blend (final)
Blend
$660k
Owner & transaction history
since 2022
Last sale
$875,000
7 recorded transactions
Zoning & alternative use
Top alternative use upside
Medical building
$595,000
+26.9%
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.
All 4 comparables with addresses
5 alternative uses screened
Sensitivity value band
Source audit · 6 inputs
PDF export
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Summary
1
Valuation conclusion
Included free
Estimated market value
$660k
Value range
$594k – $726k
±10% around blend
Estimated value / SF
$407 / SF
Confidence
Low
4 county-verified comps
Property data
88
Market benchmarks
100
Comparable evidence
40
$594k
blend $660k
$726k
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
1,620 SF
Lot area
0.11 ac
Year built
1914
Stories
1
APN
009-023-018-000
Assessed value
$849,318
Annual tax
$9,786
3
Income approach: direct capitalization
Partial preview
Not enough income data on file for a CAP-approach estimation.
4
Sales comparison
Partial preview
Sales approach indication
$434k
Weighted, 4 comps · low confidence
Evidence
4 found · 4 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
0.9 mi away · 1,351 SF
2.3 mi away · 1,387 SF
5.2 mi away · 1,916 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$660k
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
ZIP 42 sales
$290
+41%
Submarket 142 sales
$277
+47%
County 308 sales
$329
+24%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $407/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Alternative use screening
Partial preview
Top alternative use
Medical Building
Gross theoretical uplift
+27%
vs current-use indication
Office Building · current use
Auto Repair, Garage
Commercial (general)
Retail Stores
Values shown before conversion costs, entitlement costs, capital expenditures and stabilization risk.
8
Data & methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
Not available
Operating expenses
Not available
Market rent
Not available
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: replacement-cost inputs are not on file.
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
Comparable evidence · 4 sales
Market rates by use type
PDF export
Professional Plan · 30 reports
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Overview
Implied cap rate
3.70%
Implied, in-place cap rate for this office buildings
Estimated NOI ÷ last recorded sale. Refine with your own numbers in the full report.
Lower yield / higher price
Higher yield / lower price
5.0%
This property · 3.70%
9.0%
NOI (est.)
$61k *
Last sale · May 2022
$875k
* derived from a real price signal at a 7% cap
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$1.66M
Move the market yield to see immediate price impact.
Value / SF
$1,022
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
3.20%3.70%4.20%
$55k
$1.72M
$1.49M
$1.31M
$61k
$1.91M
$1.66M
$1.46M
$67k
$2.11M
$1.82M
$1.60M
NOI sensitivity ±10% across the selected-rate band (±0.5 pp) — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
4 found
Low confidence · county-verified
Closest comparable
$500k
0.2 mi · Nov 2025 · $304/SF
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Tax billed
$9,786
Tax year 2024
Assessed value
$849,318
Assessed 2024
Previous assessed
$849,318
+0.0% YoY
Effective rate
1.15%
On assessed value
Assessed land
$221,596
Assessed improvement
$627,722
Applied tax rate
4.0000
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 buildings
Use group
OFFICE BUILDING (MULTI-STORY)
Status
For Sale
Year built
1914
Construction
WOOD
Heating
CENTRAL
Cooling
CENTRAL
Stories
1
Units
1
Rooms
5
Bathrooms
1
Total area
1,620 SF
Lot
0.11 ac (5,000 SF)
APN
009-023-018-000
UPID
US09-0381236
Jurisdiction
SONOMA
Zoning & alternative use
Zoning · permitted uses
No zoning code is on file for this parcel. Zoning coverage grows with every catalog release.
Alternative use value scenarios
Repositioning upside vs current use
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Building & site characteristics
From public records
Year built
1914
Construction
WOOD
Heating
CENTRAL
Cooling
Yes
Stories
1
Units
1
Rooms
5
Bathrooms
1
Lot
0.11 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
No zoning code is on file for this parcel. Zoning coverage grows with every catalog release — check back, or open Location Intelligence for use analysis of this corner.
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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