Back to Search
Property profile & analytics
OFF-MARKET
Estimated value
$600,000
Retail space
223 Diamond Ave Gaithersburg, MD 20877-3015
Individually Owned
12-yr Hold
Free & Clear
Property ID
US40-0754187
Property profile
Verified
Property type
Retail space
Use group
RETAIL STORES (PERSONAL SERVICES)
Year built
1933
Construction
BRICK
Total area
2,940 SF
Lot
0.07 ac (2,904 SF)
Zoning code
CBD
APN
09-00843136
UPID
US40-0754187
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
-
Olde Towne Antiques Home Decor Store (Bike/Boat/Book/etc) Store
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$360k
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$789k
Blend (final)
Blend
$600k
Owner & transaction history
Joseph Bonanno · 12 yrs held
Joseph Bonanno
since 2014
1 recorded transaction
Zoning & alternative use
CBD · Gaithersburg, MD
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 Gaithersburg submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Gaithersburg 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
by Request
ML approach
$360,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$600k
Range $540k – $660k · ±10%
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
$204 / SF
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 2022Property tax & assessments
Tax year 2022
Tax billed
$5,774
Tax year 2022
Assessed value
$424,600
Assessed 2023
Previous assessed
$408,833
+3.9% YoY
Effective rate
1.36%
On assessed value
Assessed land
$78,500
Assessed improvement
$346,100
Land market value
$78,500
Improvement market value
$346,100
Total market value
$424,600
Applied tax rate
13.0000
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
Retail space
Use group
RETAIL STORES (PERSONAL SERVICES)
Status
Off-Market
Year built
1933
Construction
BRICK
Heating
YES
Cooling
YES
Stories
1
Units
1
Total area
2,940 SF
Lot
0.07 ac (2,904 SF)
Zoning code
CBD
APN
09-00843136
UPID
US40-0754187
Jurisdiction
MONTGOMERY
Metro division
BETHESDA-GAITHERSBURG-FREDERICK, MD METROPOLITAN DIVISION
Zoning & alternative use
CBD · Gaithersburg, MD
Zoning CBD · permitted uses
CBD · Gaithersburg, MD
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Gaithersburg. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1933
Construction
BRICK
Heating
YES
Cooling
Yes
Stories
1
Units
1
Lot
0.07 ac
Current owner
From public records · entity-resolved
Joseph Bonanno
Individual
Free & Clear · 12 yrs held
Mailing address
9326 CABOT CT, LAUREL, MD 20723-1758
Ownership since
2014
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
1 recorded event · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
May 9, 2014
—
Joseph Bonanno
Bonanno Anthony Trust
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.
Try Rey
Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
You own 223 Diamond Ave?
List it free. Reach 20,000 daily buyers.
We’ve already pulled the facts. Confirm photos + price and you’re live in 2 minutes.
List this address →
Full reports are paid
Unlock the full Property Analytics report
Start free for 7 days — no card required. Full owner contacts, all 4 valuations with methodology, refine flow, comparable adjustments, foot-traffic deep dive, export to PDF / CSV.
