Entity Owned Property summary
AI-generated overview
This exceptional 3,862 square foot office suite, located at 840 1st Ave, King of Prussia, PA 19406, is now available for lease. Situated within the First Avenue Business Commons, a single-story, 28,000 square foot building on 3 acres, this space boasts a prestigious address in the King of Prussia Wayne submarket. Built in 1968 and renovated in 2008, the property features a 22-foot ceiling height and ample parking with 95 spaces. The suite itself offers a sophisticated layout including a double French glass door entrance, reception area, five private offices, a conference room, kitchenette, and an in-suite bathroom with shower. Its prime location provides easy access to major King of Prussia amenities such as the King of Prussia Mall, TopGolf, and King of Prussia Town Center. The property is zoned SM and has a Montgomery County APN of 58-00-06820-00-7. The building benefits from heavy power capabilities. This is a rare opportunity to secure a high-quality, move-in ready executive office space in a highly desirable location. The property taxes are $1.54 per square foot. This space is ideal for businesses seeking a professional and convenient location. Don't miss this chance to secure this exceptional office space.
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1968
Total area
29,234 SF
Lot
3 ac (130,680 SF)
Zoning code
SM
APN
58-00-06820-00-7
UPID
US73-0896749
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
-
Employment Agency Business Service Center
-
Marketing & Advertising
-
Law Firm
-
Law Firm
-
Law Firm
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$4.90M
Blend (final)
Blend
$5.78M
Owner & transaction history
since 2020
Last sale
$5.1M
7 recorded transactions
Zoning & alternative use
SM · King Of Prussia, PA
Top alternative use upside
Retail stores
$7.9M
+41.6%
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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Unlock the complete Valuation workflow
Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
All 12 comparables with addresses
4 alternative uses screened
Sensitivity value band
Source audit · 6 inputs
PDF export
Analytics Standard · 5 reports
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Summary
1
Valuation conclusion
Included free
Estimated market value
$5.78M
Value range
$5.20M – $6.36M
±10% around blend
Estimated value / SF
$198 / SF
Confidence
High
12 county-verified comps
Property data
88
Market benchmarks
100
Comparable evidence
100
$5.20M
blend $5.78M
$6.36M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
29,234 SF
Lot area
3 ac
Year built
1968
APN
58-00-06820-00-7
Zoning
SM
Assessed value
$1,329,660
Annual tax
$40,978
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
$2.15M
Weighted, 12 comps · high confidence
Evidence
12 found · 6 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
3.3 mi away · 35,210 SF
11.9 mi away · 26,492 SF
12.2 mi away · 24,027 SF
12.2 mi away · 24,027 SF
12.2 mi away · 24,027 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$5.78M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
ZIP 35 sales
$190
+4%
Submarket 65 sales
$174
+14%
County 362 sales
$164
+21%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $198/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Alternative use screening
Partial preview
Top alternative use
Retail Stores
Gross theoretical uplift
+42%
vs current-use indication
Office Building · current use
Medical Building
Warehouse, Storage
Values shown before conversion costs, entitlement costs, capital expenditures and stabilization risk.
8
Data & methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
County record
Operating expenses
Not available
Market rent
Not available
Not analyzed due to unavailable source data: actual rent roll, tenant leases, physical condition and capital
requirements are outside a desktop analysis.
Cost Approach excluded: replacement-cost inputs are not on file.
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.
17% off on annual
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 12 sales
Market rates by use type
PDF export
Analytics Standard · 5 reports
from $99/month
from $99/month
Overview
Implied cap rate
8.50%
Implied, in-place cap rate for this office buildings
Estimated NOI ÷ last recorded sale. Refine with your own numbers in the full report.
Lower yield / higher price
Higher yield / lower price
5.0%
This property · 8.50%
9.0%
NOI (est.)
$357k *
Last sale · Apr 2020
$5.10M
* derived from a real price signal at a 7% cap
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$4.20M
Move the market yield to see immediate price impact.
Value / SF
$144
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
8.00%8.50%9.00%
$321k
$4.02M
$3.78M
$3.57M
$357k
$4.46M
$4.20M
$3.97M
$393k
$4.91M
$4.62M
$4.36M
NOI sensitivity ±10% across the selected-rate band (±0.5 pp) — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
12 found
High confidence · county-verified
Closest comparable
$4.02M
3.1 mi · Oct 2025 · $177/SF
Property tax & assessments
Tax year 2023Property tax & assessments
Tax year 2023
Tax billed
$40,978
Tax year 2023
Assessed value
$1,329,660
Assessed 2024
Previous assessed
$1,329,660
+0.0% YoY
Effective rate
3.08%
On assessed value
Total market value
$1,329,660
Applied tax rate
58.0000
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 buildings
Use group
OFFICE BUILDING
Status
Off-Market
Year built
1968
Heating
FORCED AIR
Cooling
CENTRAL
Total area
29,234 SF
Lot
3 ac (130,680 SF)
Zoning code
SM
APN
58-00-06820-00-7
UPID
US73-0896749
Jurisdiction
MONTGOMERY
Metro division
PHILADELPHIA, PA METROPOLITAN DIVISION
Zoning & alternative use
SM · King Of Prussia, PAZoning SM · permitted uses
SM · King Of Prussia, PA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Alternative use value scenarios
Repositioning upside vs current use
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Building & site characteristics
From public records
Year built
1968
Heating
FORCED AIR
Cooling
Yes
Lot
3 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
SM
Jurisdiction
King Of Prussia, PA
Recorded code
SM
Ownership Intelligence
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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
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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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