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Property profile & analytics
OFF-MARKET
Estimated value
$2,620,000
Apartment buildings
423 1st St A, Healdsburg, CA 95448-3948
Entity Owned
4-yr Hold
Absentee Owner
Free & Clear
Property ID
US09-1267561
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Lot
0.44 ac (19,200 SF)
APN
002-142-021-000
UPID
US09-1267561
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
$2.96M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$2.62M
Owner & transaction history
Diamond Investments Properties LLC · 4 yrs held
Diamond Investments Properties LLC
since 2021
Last sale
$2.3M
5 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
Method
Estimation
Statistic approach
$2,875,000
ML approach
$2,955,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$2.62M
Range $2.36M – $2.88M · ±10% · vs last sale $2.33M (Sep 20 2021)
Last sale anchor
$2.33M
Sep 20 2021
Realmo estimate · informational only.
These numbers are calculated by our models from public records and may not reflect actual market value.
Not an appraisal.
Verify with a licensed appraiser before transacting. Realmo accepts no liability for divergence from real-world outcomes.
View the full estimation — every method, every assumption
Confidence drivers & risk notes · Custom comparable set · Free for first 3 / day
Full estimation methodology
Every method · every assumption · confidence drivers
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
$20,665
Tax year 2024
Assessed value
$1,788,515
Assessed 2024
Previous assessed
$1,788,515
+0.0% YoY
Effective rate
1.16%
On assessed value
Assessed land
$525,619
Assessed improvement
$1,262,896
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
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Status
Off-Market
Heating
NONE
Cooling
NONE
Units
1
Lot
0.44 ac (19,200 SF)
APN
002-142-021-000
UPID
US09-1267561
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
Heating
NONE
Cooling
Yes
Units
1
Lot
0.44 ac
Current owner
From public records · entity-resolved
Diamond Investments Properties LLC
Entity
Free & Clear · 4 yrs held
Mailing address
921 MARIA DR, PETALUMA, CA 94954-6839
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2021
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
5 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Feb 16, 2024
—
Diamond Investments Properties LLC
—
Deed
related
$100,000 · Exchange Bank
Sep 20, 2021
$2,325,000
Diamond Investments Properties LLC
Paciano Arreguin JR
Grant Deed
—
Nov 15, 2019
—
Salvador,arreguin & 1999 Trust
Arreguin S & D V 1999 Trust
Quit Claim Deed
related
—
Aug 7, 2017
—
Arreguin Salvador
Salvador Arreguin & Donna V Ar
Quit Claim Deed
related
—
Oct 15, 1999
—
Salvador Arreguin
Arreguin,salvador & Donna
Quit Claim Deed
related
—
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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