818 Diamond Ave 350 Gaithersburg, MD 20878-1417
Entity Owned
14-yr Hold
Absentee Owner
~
Est. High Equity
Estimated value (blended)
$305k
Range $275k – $336k (±10%)
Property ID
US40-1050931
Property profile
Verified
Property type
Office Spaces
Use group
CONDOMINIUM OFFICES
Total area
1,415 SF
Lot
1 ac (43,560 SF)
Zoning code
C2
APN
09-03554964
UPID
US40-1050931
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Current use
Occupant on record · Public records
-
Telecommunications Service
-
Physician Medical Clinic
-
Medical Clinic
-
Physician
-
Pediatrician Physician
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$305k
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$305k
Owner & transaction history
since 2011
1 recorded transaction
Zoning & alternative use
C2 · Gaithersburg, MD
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
Value estimation
Instant AI valuation built from comps, income signals, and proprietary benchmarks. A defensible range, not a single guess.
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Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
All 22 comparables with addresses
Sensitivity value band
Source audit · 10 inputs
PDF export
Analytics Standard · 5 reports
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Summary
1
Valuation conclusion
Included free
Estimated market value
$305k
Value range
$275k – $336k
±10% around blend
Estimated value / SF
$216 / SF
Confidence
High
22 county-verified comps
Property data
63
Market benchmarks
100
Comparable evidence
100
$275k
blend $305k
$336k
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
1,415 SF
Lot area
1 ac
APN
09-03554964
Assessed value
$483,400
Annual tax
$6,436
3
Income approach: direct capitalization
Partial preview
Not enough income data on file for a CAP-approach estimation.
4
Sales comparison
Partial preview
Sales approach indication
$399k
Weighted, 20 comps · high confidence
Evidence
22 found · 6 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
14.7 mi away · 1,272 SF
14.7 mi away · 1,580 SF
14.8 mi away · 1,383 SF
14.8 mi away · 1,448 SF
14.8 mi away · 1,204 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$305k
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
ZIP 24 sales
$292
-26%
Submarket 60 sales
$250
-14%
County 255 sales
$317
-32%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $216/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Data & methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
Not available
Operating expenses
Not available
Market rent
Not available
Actual rent roll
Not available
Tenant leases
Not available
Physical condition
Not inspected
Conversion costs
Not available
Not analyzed due to unavailable source data: tenant leases, physical condition and capital
requirements were not available for this desktop analysis. Cost Approach excluded due to
availability of income evidence.
Automated valuation analysis, not a licensed appraisal. Figures are derived from public
records and proprietary models. Desktop analysis: no physical inspection, tenant leases or reported
property income. Verify with a licensed appraiser before transacting.
Cap rate
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
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Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 22 sales
Market rates by use type
PDF export
Analytics Standard · 5 reports
from $99/month
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Overview
No cap rate is computable for this property yet: no recorded sale, income signal or market-rate row for its use type.
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$483k
Move the market yield to see immediate price impact.
Value / SF
$342
Vs. selected
Base
Derivation
NOI ÷ cap
Arithmetic over the derived NOI * — not market scenario modeling.
NOI × cap matrix
Preview
Preview of 9 modeled outcomes.
NOI
5.00%7.00%9.00%
$30k
$609k
$435k
$338k
$34k
$677k
$483k
$376k
$37k
$744k
$532k
$414k
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
22 found
High confidence · county-verified
Closest comparable
$255k
12.5 mi · Dec 2025 · $249/SF
Property tax & assessments
Tax year 2022Property tax & assessments
Tax year 2022
Tax billed
$6,436
Tax year 2022
Assessed value
$483,400
Assessed 2023
Previous assessed
$483,400
+0.0% YoY
Effective rate
1.33%
On assessed value
Assessed land
$145,000
Assessed improvement
$338,400
Land market value
$145,000
Improvement market value
$338,400
Total market value
$483,400
Applied tax rate
13.0000
Automated cap rate analysis. Based on public records, market benchmarks and proprietary
models. Verify with a licensed professional before transacting.
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Office Spaces
Use group
CONDOMINIUM OFFICES
Status
Off-Market
Heating
NONE
Units
1
Total area
1,415 SF
Lot
1 ac (43,560 SF)
Zoning code
C2
APN
09-03554964
UPID
US40-1050931
Jurisdiction
MONTGOMERY
Metro division
BETHESDA-GAITHERSBURG-FREDERICK, MD METROPOLITAN DIVISION
Zoning & alternative use
C2 · Gaithersburg, MDZoning C2 · permitted uses
C2 · Gaithersburg, MD
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Building & site characteristics
From public records
Heating
NONE
Units
1
Lot
1 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
C2
Jurisdiction
Gaithersburg, MD
Recorded code
C2
Zoning Insight
What can be built and operated here — officially.
The district profile from the municipal source: what is on file for C2 in Gaithersburg, MD.
What opens after registration
Zoning profile
Official documentVerified municipal sources with file download
Match provenanceAssignment basis, match tier and confidence
Private report access
See the official zoning profile for this address.
Registration is required before the official district profile is shown.
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Ownership Intelligence
Find the owner behind the property.
Unlock the evidence behind ownership: portfolio, transactions, debt and signals that help you decide who to contact next.
What opens after registration
Ownership report
Owner identityResolved entity and name variants
Portfolio holdingsLinked properties and estimated value
Deal signalsSell-side activity worth following
Debt & historyRecorded loans and transaction history
Private report access
See the ownership record for this address.
Registration is required before any owner information is shown.
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Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
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