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Property profile & analytics
FOR LEASE
Office buildings
510 Spring St, Herndon, VA 20170
Entity Owned
5-yr Hold
Absentee Owner
Free & Clear
Property ID
US87-3656991
For Lease
1 / 12
$24 SF/Yr
510 Spring St, Herndon, VA 20170
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Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1999
Construction
STEEL FRAME
Total area
61,981 SF
Lot
4.5 ac (196,100 SF)
Zoning code
O&L I(OFFICE &LIGHT INDUS
APN
016-2-02-0156-J
UPID
US87-3656991
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
-
Security University University
-
Blaisdell Wealth Management - Raymond James Financial Advisor
-
BCM One Telecommunications Service
-
Maid Bright Hardware & Home Improvement
-
OneMain Financial Loan Service
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$6.27M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$8.85M
Blend (final)
Blend
$6.37M
Owner & transaction history
Nova Realty Holdings INC · 5 yrs held
Nova Realty Holdings INC
since 2020
Last sale
$6.5M
3 recorded transactions
Zoning & alternative use
O&L I(OFFICE &LIGHT INDUS · Herndon, VA
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 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
$6,185,000
ML approach
$6,270,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$6.37M
Range $5.73M – $7.00M · ±10% · vs last sale $6.50M (Nov 10 2020)
Last sale anchor
$6.50M
Nov 10 2020
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
$103 / 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
$80,210
Tax year 2024
Assessed value
$4,708,550
Assessed 2024
Previous assessed
$5,225,910
-9.9% YoY
Effective rate
1.70%
On assessed value
Assessed land
$1,239,620
Assessed improvement
$3,468,930
Land market value
$1,239,620
Improvement market value
$3,468,930
Total market value
$4,708,550
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
For Lease
Year built
1999
Construction
STEEL FRAME
Heating
OTHER
Cooling
YES
Stories
2
Total area
61,981 SF
Lot
4.5 ac (196,100 SF)
Zoning code
O&L I(OFFICE &LIGHT INDUS
APN
016-2-02-0156-J
UPID
US87-3656991
Jurisdiction
FAIRFAX
Metro division
WASHINGTON-ARLINGTON-ALEXANDRIA, DC-VA-MD-WV METROPOLITAN DIVISION
Zoning & alternative use
O&L I(OFFICE &LIGHT INDUS · Herndon, VA
Zoning O&L I(OFFICE &LIGHT INDUS · permitted uses
O&L I(OFFICE &LIGHT INDUS · Herndon, VA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Herndon. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1999
Construction
STEEL FRAME
Heating
OTHER
Cooling
Yes
Stories
2
Lot
4.5 ac
Current owner
From public records · entity-resolved
Nova Realty Holdings INC
Entity
Free & Clear · 5 yrs held
Mailing address
10530 WARWICK AVE STE C4, FAIRFAX, VA 22030-3132
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2020
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
3 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Nov 10, 2020
$6,500,000
Nova Realty Holdings INC
Crilley Warehouse LLC
Grant Deed
—
Nov 24, 2015
$21,800,000
Crilley Warehouse LLC
Fig Holding Co
Trustees Deed
$13,500,000 · Suntrust Bk
Dec 18, 2014
—
Prematic Service Corp
Prematic Service Corp
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.
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