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Property profile & analytics
OFF-MARKET
Office Spaces
421 March Ave Ste C Healdsburg, CA 95448-3367
Individually Owned
8-yr Hold
Absentee Owner
Free & Clear
Property ID
US09-2311166
Property profile
Verified
Property type
Office Spaces
Use group
CONDOMINIUM OFFICES
Year built
1974
Construction
WOOD
Total area
1,200 SF
Lot
0.03 ac (1,200 SF)
APN
002-800-017-000
UPID
US09-2311166
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
-
James F Carroll Inc Medical Clinic
-
Healdsburg Optometry Physician
-
James Forrest Carroll Pediatrician Physician
-
Ariah Keller Marriage Or Relationship Counselor
-
David Martin Physician Medical Clinic
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
Gudrun Block-sabanovich · 8 yrs held
Gudrun Block-sabanovich
since 2017
6 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 Healdsburg submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Healdsburg 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
$4,663
Tax year 2024
Assessed value
$390,429
Assessed 2024
Previous assessed
$390,429
+0.0% YoY
Effective rate
1.19%
On assessed value
Assessed land
$94,818
Assessed improvement
$295,611
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
Office Spaces
Use group
CONDOMINIUM OFFICES
Status
Off-Market
Year built
1974
Construction
WOOD
Heating
CENTRAL
Cooling
YES
Stories
1
Total area
1,200 SF
Lot
0.03 ac (1,200 SF)
APN
002-800-017-000
UPID
US09-2311166
Jurisdiction
SONOMA
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
1974
Construction
WOOD
Heating
CENTRAL
Cooling
Yes
Stories
1
Lot
0.03 ac
Current owner
From public records · entity-resolved
Gudrun Block-sabanovich
Individual
Free & Clear · 8 yrs held
Mailing address
708 GRAVENSTEIN HWY N #182, SEBASTOPOL, CA 95472-2808
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2017
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
6 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 14, 2017
—
Gudrun Block-sabanovich
Hudson Theodore S III
Grant Deed
—
Mar 2, 2016
—
Theodore S Hudson III
Block-sabanovich,gudrun
Grant Deed
—
Jun 10, 2015
—
Block-sabanovich,g 2015 Trust
Block-sabanovich Gudrun
Quit Claim Deed
related
—
May 21, 2015
—
Gudrun Block-sabanovich
Sabanovich Nicholas J
Affidavit Of Death
related
—
Jan 19, 1995
—
Gudrun B Sabanovich
Lightfoot,michael K & Cheryl L
Grant Deed
related
—
—
—
Laura Berry
—
Deed Of Trust
related
$20,000 · Individual
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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