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Property profile & analytics
OFF-MARKET
Office buildings
405 Diamond Ave Gaithersburg, MD 20877-3019
Entity Owned
2-yr Hold
~
Est. High Equity
Property ID
US40-0971297
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1909
Construction
BRICK
Total area
1,700 SF
Lot
0.27 ac (11,865 SF)
Zoning code
CBD
APN
09-00818850
UPID
US40-0971297
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
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
by Request
Owner & transaction history
Beroya LLC · 2 yrs held
Beroya LLC
since 2024
Last sale
$550,000
2 recorded transactions
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
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 2022Property tax & assessments
Tax year 2022
Tax billed
$4,281
Tax year 2022
Assessed value
$299,900
Assessed 2023
Previous assessed
$298,600
+0.4% YoY
Effective rate
1.43%
On assessed value
Assessed land
$183,400
Assessed improvement
$116,500
Land market value
$183,400
Improvement market value
$116,500
Total market value
$299,900
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
Office buildings
Use group
OFFICE BUILDING
Status
Off-Market
Year built
1909
Construction
BRICK
Heating
YES
Cooling
YES
Stories
2
Units
1
Total area
1,700 SF
Lot
0.27 ac (11,865 SF)
Zoning code
CBD
APN
09-00818850
UPID
US40-0971297
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
1909
Construction
BRICK
Heating
YES
Cooling
Yes
Stories
2
Units
1
Lot
0.27 ac
Current owner
From public records · entity-resolved
Beroya LLC
Entity
Mailing address
8418 PETERS RD, FREDERICK, MD 21704-8107
Ownership since
2024
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
2 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jun 6, 2024
$550,000
Beroya LLC
Gtw Properties LLC
Special Warranty Deed
$412,500 · Mainstreet Bank
Aug 1, 1997
$150,000
Gtw Properties LLC
James,c & P L Ha
Grant Deed
$120,000 · Potomac Valley Bank
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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