4315 50TH ST NW
Office (large) · Washington · 20016
At a glance
4315 50TH ST NW in Washington, DC is listed on the Washington, DC property roll as “Office (large)”, SSL 14670886. The roll records 15,381 sq ft of building area, a 1988 build year and an assessed value of $2,738,840. 18 active business locations at this address appear in public records.
The building's own benchmarking filing
Energy performance
From the building's own filing under its city's benchmarking ordinance. An ENERGY STAR score of 75 or above means the building outperforms three quarters of comparable buildings nationally. It is a self-reported figure, verified by the city only to the extent the ordinance requires.
Public record — 18 matched business locations
Tenants & business locations
| Company | Suite / floor | Since | Source | Match |
|---|---|---|---|---|
| BSC-CWC Truesdell JV LLC | — | Nov 2026 | DC business licence | folio match · high |
| Blue Chip Marketing Group, LLC | — | Apr 2026 | DC business licence | folio match · high |
| COLONIAL PARKING INC.via COLONIAL PARKING, INC. | — | Apr 2026 | DC business licence | folio match · high |
| ReVite Construction LLC. | — | Dec 2025 | DC business licence | folio match · high |
| Creative Kids Movement Network | STE 100 | Jul 2025 | DC business licence | folio match · high |
| JDC CONSTRUCTION COMPANY | LL1 | May 2025 | DC business licence | folio match · high |
| Aslan Project, Inc. (The) | 200 | May 2025 | DC business licence | folio match · high |
| Blue Chip Marketing Group | 2ND FL | Mar 2025 | DC business licence | folio match · high |
| B & M Bulk Movers | — | Feb 2025 | DC business licence | folio match · high |
| LINCOLN UTILITIES INC | — | Oct 2024 | DC business licence | folio match · high |
| NEW AGE HOME SERVICES LLC | — | Oct 2024 | DC business licence | folio match · high |
| Brick Lane LLC | — | May 2024 | DC business licence | folio match · high |
| Rustic Housing | — | Mar 2024 | DC business licence | folio match · high |
| EXOTIK CHIQUE, LLC | — | Oct 2023 | DC business licence | folio match · high |
| Modyfi Health | — | Jun 2023 | DC business licence | folio match · high |
| AlfaMel | — | Jun 2023 | DC business licence | folio match · high |
| Global Framework Consulting, | — | Jun 2023 | DC business licence | folio match · high |
| WARRENTON GROUP, L.L.C., THE | 100 | Mar 2023 | DC business licence | folio match · high |
Washington, DC assessment roll
Parcel record
| Field | Value |
|---|---|
| SSL | 14670886 |
| Site address | 4315 50TH ST NW |
| Land use (DOR) | 052 — Office (large) |
| Building area (actual) | 15,381 sq ft |
| Floors / units / buildings | — / — / — |
| Lot size | 11,592 sq ft |
| Year built | 1988 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | $2,738,840 |
Recorded owner (assessment roll)
WC AND AN MILLER DEVELOPMENT COMPANY
Owner mailing address: 11921 ROCKVILLE PIKE STE 200, ROCKVILLE, MD, 20852
4 Washington office properties share this owner mailing address →
Commercial property is usually held one building per entity; a shared mailbox is how the roll reveals a portfolio. It is evidence of common ownership, not proof.
Location
- Address
- 4315 50TH ST NW
- City
- Washington
- ZIP
- 20016
Within ~650 m
Nearby office buildings
No other office parcels within ~650 m.
How does 4315 50TH ST NW compare with other Washington office buildings?
At 15,381 sq ft, 4315 50TH ST NW is less than a fifth the size of the average office building on the Washington, DC roll, which comes to 120,450 sq ft across 1,761 buildings.
Its assessed value works out to $178 per square foot of building area, against $370 across all office floor area on the roll.
Does the owner of 4315 50TH ST NW hold other Washington office property?
4 Washington office properties (4 parcels, 153.2K sq ft) are recorded to an owner sharing this parcel's tax-bill mailing address. A shared mailing address is evidence of common ownership, not proof of it.
What has happened at 4315 50TH ST NW recently?
The building files energy-benchmarking disclosures — 1 report year are matched to this parcel.
What does “Office (large)” mean for this parcel?
The Washington, DC roll classifies SSL 14670886 as “Office (large)” (use code 052). BuildingCensus includes a parcel in its office census when the roll gives it an office-class use, so the label is the county's, not an inference.
Frequently asked questions
Who owns 4315 50TH ST NW?
The recorded owner on the Washington, DC assessment roll (current) is WC AND AN MILLER DEVELOPMENT COMPANY. Owner mailing address on file: 11921 ROCKVILLE PIKE STE 200, ROCKVILLE, MD, 20852.
What companies have offices at 4315 50TH ST NW?
18 active business locations at this building appear in Washington, DC public records, including BSC-CWC Truesdell JV LLC, Blue Chip Marketing Group, LLC, COLONIAL PARKING INC., ReVite Construction LLC., Creative Kids Movement Network. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 4315 50TH ST NW?
The Washington, DC roll records 15,381 sq ft of building area, a build year of 1988. It sits on a 11,592 sq ft lot.
What is the assessed value of 4315 50TH ST NW?
$2,738,840 on the Washington, DC roll. Assessed values are taxable-roll figures, not market prices.
What is the SSL for 4315 50TH ST NW?
SSL 14670886, site address 4315 50TH ST NW, Washington. It is the key to look the parcel up in the Integrated Tax System public extract (Washington, DC).
More around 4315 50TH ST NW
- Washington, DC office buildings· 1,761 buildings
- WC AND AN MILLER DEVELOPMENT COMPANY· 4 properties
- BSC-CWC Truesdell JV LLC· tenant on record
- Blue Chip Marketing Group, LLC· tenant on record
- COLONIAL PARKING INC.· tenant on record
- ReVite Construction LLC.· tenant on record
- Federal office leases in DC
- Office census — all metros
Everything here comes from public records, and public records go stale. If you know better, say so.
Data provenance — public records only
- Washington, DC — Integrated Tax System public extract (owner names, mailing addresses, assessments), CAMA commercial and daily sales tables, Basic Business Licenses (suite-level premises; the universal catch-all licence was repealed Oct 2025, thinning the roll thereafter), and DOEE energy benchmarking.
Every fact on this page is drawn from the government records above — no listing sites, no scraped platforms, no third-party images. Facts from public records are uncopyrightable; each tenancy row carries its source and match confidence. Records can lag reality — a business-tax receipt or registration at an address is evidence of occupancy, not a lease confirmation.
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Dataset updated . Source: Washington, DC assessment roll, SSL 14670886.
About this data
Source: Integrated Tax System public extract (Washington, DC), as published September 20, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “4315 50TH ST NW, Washington, DC (SSL 14670886)”, https://buildingcensus.com/offices/dc/office-building-6f061040 (data as of September 20, 2026).