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Property overview

202 Longwood Road

Baltimore, MD 21210

Who owns 202 Longwood Road, what the county and city have on record, and a measured sell-signal score — every fact dated and sourced.

Owner of recordMertz, Pierre Herve' and Deckwerth, Hannah EmersonMailing address: 0202 Longwood Road, 21210Observed Sep 20, 2026 · Baltimore City Real Property Information (Open Baltimore)
Parcel 4893 039 · Public research profile
Motivated Seller IndexDRAFT MODEL
68/100
About 6 in 100 homes with these signals sold within five months (2× the Baltimore rate)100% of model checks have usable evidence

A measured sell-signal score from public records: 3 positive signals observed. It is a base rate for homes like this, not a statement about this owner. How it works ↓

Satellite · © Google
Street View · © Google
Satellite · © Google
Assessed valueUnavailable
Tax statusUnverified
Ownership tenureUnverified
Property typeDetached single-family home (DHCD use 1005)

THE INDEX

Why this MSI reads 68

Draft model

4 of 18 checked public signals observed, covering 100% of the model. The score is public; the signal-by-signal reasons, source documents, and owner details are in LienSuite.

Method and limits. MSI v0.2-baltimore-2026-09 weights eighteen public signals by how much each one changed the recorded five-month arm’s-length transfer rate across all 180,000 residential parcels in Baltimore City, using only dated records (SDAT transfers, vacant-building notices, tax-sale lists, permits and 311 requests) so no signal reads the buyer’s state, checked on a holdout the model never saw (the top 0.5% of homes by score sold at 4.5x the citywide rate, the top 1% at 4.2x).: use / occupancy permit +24, vacant-building 311 request +17, alteration / rehab permit +14, building-permit 311 complaint +13, high grass and weeds 311 request +12, bought since 2024 +10, abandoned-vehicle 311 request +6, trade permit +5, sanitation / dumping 311 request +5, on the 2022 or 2023 tax-sale list +4, vacant building notice +3, demolition permit +3, exterior permit +2, structure-maintenance 311 request +2, permit valued at $25,000 or more -3, owned for 20 years or more -4, rodent 311 request -7, vacant building notice issued this year -11. The "in 100 homes" figure is the model's fitted probability for this combination of signals. It describes homes like this one in aggregate; it is not a claim about this owner's intentions, and it is not LienSuite's paid deal score.

THE RECORD

Property details

Dated sources
Property type
Detached single-family home (DHCD use 1005)
Observed Sep 20, 2026 · Baltimore City Real Property Information (Open Baltimore)
Owner of record
Mertz, Pierre Herve' and Deckwerth, Hannah Emerson (mailing address 0202 Longwood Road, 21210)
Observed Sep 20, 2026 · Baltimore City Real Property Information (Open Baltimore)
Homestead / principal residence
Owner-occupied principal residence (Permanent Home indicator H)
Observed Sep 20, 2026 · Baltimore City Real Property Information (Open Baltimore)
Vacant building notice
None open
Observed Sep 20, 2026 · DHCD vacant building notices (Open Baltimore)
Structure area
2,102 sq ft
Observed Sep 20, 2026 · Baltimore City Real Property Information (Open Baltimore)
Lot size
0.199 ACRES
Observed Sep 20, 2026 · Baltimore City Real Property Information (Open Baltimore)
Year built
1903
Observed Sep 20, 2026 · Baltimore City Real Property Information (Open Baltimore)
Last recorded transfer
$490,000, private arms-length transfer, improved, March 7, 2013; 2 transfers on the SDAT record
Observed Sep 20, 2026 · Maryland SDAT Baltimore City real property assessments (opendata.maryland.gov)
Permits
4 DHCD permits in the last 12 months: scope of work: exterior alterations to include: sunroom construction: (December 22, 2025); wire sunroom , bathroom longwood (March 23, 2026); plumber will rough in and install new bathroom 1-toilet 1-lavatory sin (April 8, 2026); …
Observed Sep 20, 2026 · DHCD housing and building permits (Open Baltimore)

Parcel reference: 4893 039. Facts reflect the listed observation dates and may have changed since then.

OWNERSHIP AND TAXES

Research snapshot

Observed tax balanceNot verified
Delinquency periodNot verified
Last recorded transferNot connected
Transfer amountNot connected

Source details not yet connected. A tax balance is not proof that a property is for sale.

CHANGES OVER TIME

Property timeline

  1. Permit

    Plumber will rough in and install new bathroom 1-Toilet 1-Lavatory sink 1-Bathtub MERTZ.

    DHCD housing and building permits (Open Baltimore) · checked Sep 20, 2026
  2. Permit

    Wire Sunroom , Bathroom Longwood.

    DHCD housing and building permits (Open Baltimore) · checked Sep 20, 2026
  3. Permit

    Scope of Work: Exterior Alterations to include: Sunroom construction: build a sunroom and bathroom addition (one-story rear addition), 14'x23'-1" addition, as per code as per plans. Deckwerth.

    DHCD housing and building permits (Open Baltimore) · checked Sep 20, 2026
  4. Recorded transfer

    $490,000, private arms-length transfer, improved.

    Maryland SDAT Baltimore City real property assessments (opendata.maryland.gov) · checked Sep 20, 2026
  5. Recorded transfer

    $616,000, private arms-length transfer, improved.

    Maryland SDAT Baltimore City real property assessments (opendata.maryland.gov) · checked Sep 20, 2026

NEARBY

More records nearby

Other homes on Longwood Road

All records on Longwood Road →

Highest sell signal in 21210

All of 21210, highest signal first →

Facts on this page reflect their observation dates. Confirm the parcel and current records with the county before acting.