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Property profile & analytics
OFF-MARKET
Estimated value
$3,675,000
Manufacturing properties
300 Stonestreet Ave Rockville, MD 20850-1655
Entity Owned
6-yr Hold
Free & Clear
Property ID
US40-1471681
Property profile
Verified
Property type
Manufacturing properties
Use group
MANUFACTURING (LIGHT)
Year built
1958
Construction
BRICK
Total area
14,080 SF
Lot
0.54 ac (23,520 SF)
Zoning code
MXB
APN
04-00148453
UPID
US40-1471681
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
$4.19M
Blend (final)
Blend
$3.68M
Owner & transaction history
Marx Stonestreet LLC · 6 yrs held
Marx Stonestreet LLC
since 2019
5 recorded transactions
Zoning & alternative use
MXB · Rockville, MD
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Zoning description
(c) In order to maintain compatibility, residential uses other than live-work units are not permitted in buildings that house primarily service industrial or other primarily industrial uses. d. Mixed-Use Business Zone (MXB). Except as may be otherwise determined by the plan, this zone is intended for areas that are either currently developed or recommended f…
Zone name
Mixed Use Business
General category
MIXED_USE
Zone area
51.77 ac
Source
code of ordinances
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 Rockville submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Rockville 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%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$3.68M
Range $3.31M – $4.04M · ±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
$261 / 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 2022Property tax & assessments
Tax year 2022
Tax billed
$35,496
Tax year 2022
Assessed value
$2,481,400
Assessed 2023
Previous assessed
$2,461,100
+0.8% YoY
Effective rate
1.43%
On assessed value
Assessed land
$590,800
Assessed improvement
$1,890,600
Land market value
$590,800
Improvement market value
$1,890,600
Total market value
$2,481,400
Applied tax rate
12.0000
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
Manufacturing properties
Use group
MANUFACTURING (LIGHT)
Status
Off-Market
Year built
1958
Construction
BRICK
Heating
FORCED AIR
Stories
1
Units
1
Total area
14,080 SF
Lot
0.54 ac (23,520 SF)
Zoning code
MXB
APN
04-00148453
UPID
US40-1471681
Jurisdiction
MONTGOMERY
Metro division
BETHESDA-GAITHERSBURG-FREDERICK, MD METROPOLITAN DIVISION
Zoning & alternative use
MXB · Rockville, MDZoning MXB · permitted uses
MXB · Rockville, MD
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Zoning description
(c) In order to maintain compatibility, residential uses other than live-work units are not permitted in buildings that house primarily service industrial or other primarily industrial uses. d. Mixed-Use Business Zone (MXB). Except as may be otherwise determined by the plan, this zone is intended for areas that are either currently developed or recommended for development primarily for community business and retail services. 1. Building l
Zone name
Mixed Use Business
General category
MIXED_USE
Zone area
51.77 ac
Source
code of ordinances
Building & site characteristics
From public records
Year built
1958
Construction
BRICK
Heating
FORCED AIR
Stories
1
Units
1
Lot
0.54 ac
Current owner
From public records · entity-resolved
Marx Stonestreet LLC
Entity
Free & Clear · 6 yrs held
Mailing address
9225 FOX MDW LN, POTOMAC, MD 20854-4619
Ownership since
2019
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
5 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 17, 2019
$2,790,000
Marx Stonestreet LLC
Lowe Ventures LLC
Grant Deed
—
Jul 13, 2001
$965,000
Lowe Ventures LLC
Klinedinst,lois
Grant Deed
$1,336,000 · Farmers & Mechanics Bank
—
—
Lowe Ventures LLC
—
Loan Modification
related
$1,477,342 · Pnc Bank
—
—
Lowe Ventures LLC
—
Deed Of Trust
related
$182,254 · Mercantile Potomac Bank
—
—
Lowe Ventures LLC
—
Deed Of Trust
related
$75,166 · Mercantile Potomac 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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