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Property profile & analytics
OFF-MARKET
Estimated value
$3,395,000
Office buildings
690 Ctr St Herndon, VA 20170-5021
Entity Owned
27-yr Hold
~
Est. High Equity
Property ID
US87-0770125
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1989
Construction
STEEL FRAME
Total area
14,898 SF
Lot
0.68 ac (29,476 SF)
Zoning code
CO(COMMERCIAL OFFICE)
APN
016-2-02-0115
UPID
US87-0770125
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
-
Tri-Tek Engineering Inc Land Surveyor
-
Loudoun Pediatric Speech Services Physician
-
Gans & Pugh Associates Inc Professional Services
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$4.63M
Comparable Approach
Comparable
$3.43M
Blend (final)
Blend
$3.40M
Owner & transaction history
Center Street Partners
Center Street Partners
1 recorded transaction
Zoning & alternative use
CO(COMMERCIAL OFFICE) · Herndon, VA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Neighborhood: shopping center
$5.5M
+31.5%
Industrial (general)
$5.1M
+21.3%
Auto repair, garage
$5.0M
+19.1%
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 Herndon submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Herndon 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
by Request
CAP Approach
CAP Return
Estimation
6%
$5,015,000
6.5%
$4,630,000
7%
$4,295,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$4,175,000
Current use
NEIGHBORHOOD: SHOPPING CENTER
$5,495,000
Change: +32% · Conversion: Difficult
INDUSTRIAL (GENERAL)
$5,065,000
Change: +21% · Conversion: Difficult
AUTO REPAIR, GARAGE
$4,975,000
Change: +19% · Conversion: Difficult
WAREHOUSE, STORAGE
$4,370,000
Change: +5% · Conversion: Difficult
Blend value · Realmo final
$3.40M
Range $3.06M – $3.73M · ±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
$228 / 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 2024Property tax & assessments
Tax year 2024
Tax billed
$20,569
Tax year 2024
Assessed value
$1,332,610
Assessed 2024
Previous assessed
$1,337,370
-0.4% YoY
Effective rate
1.54%
On assessed value
Assessed land
$297,960
Assessed improvement
$1,034,650
Land market value
$297,960
Improvement market value
$1,034,650
Total market value
$1,332,610
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
1989
Construction
STEEL FRAME
Heating
HEAT PUMP
Cooling
YES
Stories
3
Total area
14,898 SF
Lot
0.68 ac (29,476 SF)
Zoning code
CO(COMMERCIAL OFFICE)
APN
016-2-02-0115
UPID
US87-0770125
Jurisdiction
FAIRFAX
Metro division
WASHINGTON-ARLINGTON-ALEXANDRIA, DC-VA-MD-WV METROPOLITAN DIVISION
Zoning & alternative use
CO(COMMERCIAL OFFICE) · Herndon, VAZoning CO(COMMERCIAL OFFICE) · permitted uses
CO(COMMERCIAL OFFICE) · Herndon, VA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$4.2M
NEIGHBORHOOD: SHOPPING CENTER
Est. value
$5.5M
INDUSTRIAL (GENERAL)
Est. value
$5.1M
AUTO REPAIR, GARAGE
Est. value
$5.0M
WAREHOUSE, STORAGE
Est. value
$4.4M
OFFICE BUILDING Current
NEIGHBORHOOD: SHOPPING CENTER
INDUSTRIAL (GENERAL)
AUTO REPAIR, GARAGE
WAREHOUSE, STORAGE
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Alternative use deep dive
Conversion cost · permit path · stabilized NOI per option
Building & site characteristics
From public records
Year built
1989
Construction
STEEL FRAME
Heating
HEAT PUMP
Cooling
Yes
Stories
3
Lot
0.68 ac
Current owner
From public records · entity-resolved
Center Street Partners
Entity
Mailing address
690 CTR ST STE #201, HERNDON, VA 20170-5019
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
—
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
—
—
Center Street Partners
—
Deed Of Trust
related
$460,000 · Kenneth J & Vivian Gans
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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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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