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Property profile & analytics
OFF-MARKET
Office buildings
622 Auburn St Grass Valley, CA 95945-7537
Trust Owned
Absentee Owner
Free & Clear
Property ID
US09-2336058
Property profile
Verified
Property type
Office buildings
Use group
PROFESSIONAL BUILDING
Year built
1978
Construction
WOOD
Total area
1,230 SF
Lot
0.14 ac (6,098 SF)
Zoning code
C
APN
029-241-004-000
UPID
US09-2336058
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
-
Allstate Insurance: Leigh Witzke Insurance Agency
-
William Witzke: Allstate Insurance Insurance Agency
-
Boer Adriaan DDS Dental Office
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
The 2025 Witzke Family Trust
The 2025 Witzke Family Trust
since 2025
3 recorded transactions
Zoning & alternative use
C · Grass Valley, CA
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 Grass Valley submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Grass Valley 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
$2,463
Tax year 2024
Assessed value
$223,334
Assessed 2024
Previous assessed
$223,334
+0.0% YoY
Effective rate
1.10%
On assessed value
Assessed land
$132,794
Assessed improvement
$90,540
Applied tax rate
1.0000
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 buildings
Use group
PROFESSIONAL BUILDING
Status
Off-Market
Year built
1978
Construction
WOOD
Heating
CENTRAL
Cooling
CENTRAL
Stories
1
Units
1
Total area
1,230 SF
Lot
0.14 ac (6,098 SF)
Zoning code
C
APN
029-241-004-000
UPID
US09-2336058
Jurisdiction
NEVADA
Zoning & alternative use
C · Grass Valley, CA
Zoning C · permitted uses
C · Grass Valley, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Grass Valley. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1978
Construction
WOOD
Heating
CENTRAL
Cooling
Yes
Stories
1
Units
1
Lot
0.14 ac
Current owner
From public records · entity-resolved
The 2025 Witzke Family Trust
Trust
Free & Clear · 0 yrs held
Mailing address
7783 SANTOS RD, NEWCASTLE, CA 95658-9419
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2025
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
3 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Nov 24, 2025
—
The 2025 Witzke Family Trust
William E Witzke
Deed
related
—
Dec 22, 2022
—
William E Witzke
—
Deed
related
$180,000 · Banner Bank
Mar 13, 2013
$185,000
William E Witzke
Adriaan Boer
Grant Deed
$145,051 · Us Bank NA
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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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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