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Individually Owned 
For Lease
$19 SF/Yr
42 Tremont St, Duxbury, MA 02332
View Listing
Property summary
AI-generated overview
Suite 11 is a basement office unit totaling approximately 1,900 square feet within a larger multi-suite property. The suite layout includes an open workspace, four private offices, two bathrooms, and a kitchenette. The building was constructed in 1973 and is zoned NB. The office is located at 42 Tremont Street in Duxbury, with access to Route 3A and proximity to Route 3, and it is part of a professionally maintained business property known as the Park at Island Creek, which supports multiple suite configurations.
Ownership intelligence
Who controls the opportunity?
Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. In the full report.
Owner contacts
Can we reach the decision maker?
Skip-traced phones and e-mails of the owner. Included with the full report.
Debts
What is owed, to whom, and when it comes due
Recorded lenders, amounts and estimated maturities of the owner's loan book — in the full report.
Property tax · 2024
What does the county charge?
$18k
Tax billed · 2024
Assessed value$1.83M
Assessed land$545k
Assessed improvement$1.28M
Effective rate1.01%
Value estimate
· Oct 2026$340k
$306k – $374k
CAP approach$1.16M
Submarket $/SF estimate$1.23M
NOI build-up
Gross scheduled income$64k
Vacancy & credit loss−$11k
Operating expenses−$13k
NOI · 209,157.89% cap applied$40k
Realmo valuation models over county records and 7 qualifying comparable sales.
Recently sold
What actually traded nearby?
$182/SF
County average, outlier-cleaned · 537 recorded sales of this use type
Observed band · Q1–Q3$101 – $285
Qualifying comparables7
Cap rate analysis
How does the asset earn?
209,157.89%
$40k estimated NOI · market benchmarks for this use type
Price anchors at 6 / 6.5 / 7% — in the full report.
Zoning insight
What can be built here?
NB
JurisdictionDUXBURY
Location intelligence
Which uses thrive at this corner?
Best fit: HVAC Service
Demand heat for this use is drawn on the map · LocInt grid
Demand index
HVAC Service9.5
Plumbing Service8.9
Tailor Shop8.9
Demand index: how under-served this business type is around this point — modeled from the LocInt grid (area demand vs. what already operates, adjusted by real visit traffic). Higher means stronger unmet demand.
Location
✓ County assessor
✓ Recorded deeds · 5 transfers
✓ 7 qualifying comp sales
✓ Zoning catalog
Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.
Comparables
6 recorded sales · 10 properties nearbyRecent sales nearby
6 recorded sales in this ZIP, last 8 years
Address
Sale price
Sold
Size
Sale prices and dates as our records hold them, one row per building. A deed can cover more of a building than the size shown, so read the price against the size rather than dividing one by the other.
Comparable nearby
6 properties of the same type nearby
Comparable nearby
Similar Nearby for Lease
Value estimation
Instant AI valuation built from comps, income signals, and proprietary benchmarks.A defensible range, not a single guess.
Unlock the complete Valuation workflow
Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
Full NOI build-up · 6 steps
All 7 comparables with addresses
3 alternative uses screened
Sensitivity value band
Source audit · 6 inputs
PDF export
Professional plan · 30 reports
from $199/month
from $199/month
Summary
1
Valuation conclusion
Included free
Estimated market value
$340k
Value range
$306k – $374k
±10% around blend
Estimated value / SF
$44 / SF
Confidence
High
7 county-verified comps
Property data
100
Market benchmarks
33
Comparable sales
70
Income certainty
100
$306k
blend $340k
$374k
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
- GBA
- 7,796 SF
- Lot area
- 1.2 ac
- Year built
- 1973
- Stories
- 2
- APN
- DUXB M:062 B:751 L:010
- Zoning
- NB
- Assessed value · 2024
- $1,826,400
- Annual tax · 2024
- $18,374
3
Income approach: direct capitalization
Partial preview
Income approach indication
$1.16M
Direct capitalization · @ 6.5% CAP return
@ 6% CAP return
$1.26M
@ 6.5% CAP return
$1.16M
@ 7% CAP return
$1.08M
Estimated Stabilized NOI, derived from market rent, vacancy and expense benchmarks. Actual property income not reported.
- Estimated market rent / SF
- Potential gross income
- Vacancy allowance
- Effective gross income
- Benchmark operating expenses
- Stabilized NOI
- Property tax · 2024
- $18,374
- Selected cap rate
4
Comparable sales
Partial preview
Comparables picked and weighted for this valuation. The Overview tab lists recorded sales nearby as our records hold them, unweighted and unselected, so the two do not have to agree.
Sales approach indication
$1.46M
Weighted, 7 comps · high confidence
Evidence
7 found · 6 selected
County-verified recorded sales
Comparable
Sale date
Sale price
$ / SF
12.8 mi away · 7,752 SF
13.3 mi away · 7,178 SF
15.0 mi away · 6,646 SF
15.3 mi away · 5,880 SF
20.6 mi away · 5,675 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$340k
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)
Average
Subject delta
County 537 sales
$182
-76%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $44/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
+14%
vs current use, $1.42M
- Auto Repair, Garage
- Office Building
- Commercial (general) · current use
Values shown before conversion costs, entitlement costs, capital expenditures and stabilization risk.
8
Methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
County record
Operating expenses
Modeled
Market rent
Market benchmark
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: income and sales evidence cover the value conclusion.
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.
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable sales, saved work and exports.
9-scenario matrix
Comparable sales · 7
NOI build-up · 9 steps
Market rates by use type
PDF export
Professional plan · 30 reports
from $199/month
from $199/month
Overview
No cap rate is computable for this property yet
No recorded sale, income signal or market-rate row for its use type. Any figures below are a modeled what-if, not an implied cap rate.
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$568k
Move the market yield to see immediate price impact.
Value / SF
$73
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%
$36k
$715k
$511k
$397k
$40k
$795k
$568k
$442k
$44k
$874k
$624k
$486k
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Comparable sales
Partial preview
Qualifying comparables
7 found
High confidence · county-verified
Closest comparable
$1.50M
8.5 mi · Jul 2026 · $243/SF
Automated cap rate analysis. Based on public records, market benchmarks and proprietary
models. Verify with a licensed professional before transacting.
Building & lot
Public records
Property type
Showrooms
Use group
SHOW ROOM, WAREHOUSE
Status
For Lease
Year built
1973
Heating
FORCED AIR
Cooling
YES
Buildings
1
Stories
2
Units
10
Total area
7,796 SF
Lot
1.2 ac (52,272 SF)
Zoning code
NB
APN
DUXB M:062 B:751 L:010
UPID
US38-1454362
Jurisdiction
DUXBURY
Metro division
BOSTON-QUINCY, MA METROPOLITAN DIVISION
Property tax & assessments
Tax year 2024
Tax billed
$18,374
Assessed value
$1,826,400
Assessed 2024
Previous assessed
$1,826,400
+0.0% YoY
Effective rate
1.01%
On assessed value
Assessed land
$544,800
Assessed improvement
$1,281,600
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
Jurisdiction
Duxbury, MA
Zoning code
NB
Ownership Intelligence
Find the owner behind the property.
Unlock the evidence behind ownership: portfolio, transactions, debt and any signals we can model, to help you decide who to contact next.
What opens after registration
Ownership report
Owner identityResolved entity and name variants
Portfolio holdingsLinked properties we can resolve, with estimated value
Deal signalsSell-side activity where we detect it
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.
One complete report on every paid plan · 30 · 150 reports per month.
Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
Debts · part of Ownership Intelligence
See what the owner owes, and when it comes due.
The mortgage data is behind the paid report: recorded loans of the owner - lender, amount, rate and the estimated maturity - as part of the Ownership Intelligence workspace.
What opens after registration
Ownership report
Recorded loansLender, amount and origination for every instrument
Estimated maturityWhen the debt comes due and the refi window opens
Rates & liensRecorded or estimated rate, junior liens flagged
CollateralWhich holding secures each loan - this property marked
Private report access
See the ownership record for this address.
Registration is required before any owner information is shown.
One complete report on every paid plan · 30 · 150 reports per month.
Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
Try Rey
Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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1-day Trial
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Trial Includes
- 10 Targeted Leads
- 1 Full Property Report
Property reports include
if available
- Lead Lists by Intent
- Signals & Scores
- Building Details
- Value Estimation
- Cap Rate Evaluation
- Liens & Mortgages
- Ownership & Contacts
- Local Market trends
-
Zoning Insight— not in this plan -
Location Analytics— not in this plan
Professional plan
$199
/mo
Membership includes
- 300 Targeted Leads a month
- 30 Full Property Reports
Property reports include
if available
- Lead Lists by Intent
- Signals & Scores
- Building Details
- Value Estimation
- Cap Rate Evaluation
- Liens & Mortgages
- Ownership & Contacts
- Local Market trends
- Zoning Insight
-
Location Analytics— not in this plan
Enterprise plan
$499
/mo
Membership includes
- 1,500 Targeted Leads a month
- 150 Full Property Reports
Property reports include
if available
- Lead Lists by Intent
- Signals & Scores
- Building Details
- Value Estimation
- Cap Rate Evaluation
- Liens & Mortgages
- Ownership & Contacts
- Local Market trends
- Zoning Insight
- Location Analytics
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Acquiring
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Absentee
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Off Market
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Absentee
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Refinance
Sample leads
-
Off Market
8505 S SEPULVEDA BLVD, LOS ANGELES, CA 90045
Loan from 20028.0% rateFirst American Savings Bank
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Off Market
FAYETTEVILLE, NC 28303
Loan from 2013New Century Bank
FAYETTEVILLE, NC 28303
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Off Market
4026 BRAGG BLVD, FAYETTEVILLE, NC 28303
Loan from 2013New Century Bank
4026 BRAGG BLVD, FAYETTEVILLE, NC 28303
-
Off Market
BRAGG BLVD, FAYETTEVILLE, NC 28303
Loan from 20049.0% rateNew Century Bank Fayetteville
BRAGG BLVD, FAYETTEVILLE, NC 28303
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