WC AND AN MILLER DEVELOPMENT COMPANY
4 office properties in Washington, DC recorded to an owner mailing to 11921 ROCKVILLE PIKE STE 200, ROCKVILLE, MD. single entity
At a glance
WC AND AN MILLER DEVELOPMENT COMPANY is recorded as the owner of 4 office properties (4 parcels) in Washington, DC, totalling 153.2K sq ft of building area with $28.5M of assessed value. The owner's tax bills go to ROCKVILLE, MD.
County assessment roll
Properties
| Building | Submarket | Sq ft | Assessed | Last sold | Tenants |
|---|---|---|---|---|---|
| 4910 MASSACHUSETTS AVE NW | Washington | 84.3K | $16.1M | — | 12 |
| 4900 MASSACHUSETTS AVE NW | Washington | 38.2K | $7.1M | — | 5 |
| 4315 50TH ST NW | Washington | 15.4K | $2.7M | — | 18 |
| 4301 50TH ST NW | Washington | 15.3K | $2.6M | — | 8 |
How this group was built. All of these parcels are recorded to one owner entity.The county records an owner and a mailing address for every parcel; this page collects the office parcels whose owners mail to the same address, and counts buildings rather than parcels using the county's own condo-to-building link. Lease terms, rents and the identity of a manager acting for the owner are not public records and are not shown.
Where are WC AND AN MILLER DEVELOPMENT COMPANY's office buildings?
All 4 properties are in Washington.
The largest is 4910 MASSACHUSETTS AVE NW in Washington at 84.3K sq ft.
Recorded build years run from 1961 to 1990.
How large is this portfolio within Washington's office market?
Its 153.2K sq ft is 0.07% of the 212.1M sq ft of office building area on the Washington, DC roll.
Its $28.5M of assessed value is 0.04% of the metro's office total.
It holds 4 of the metro's 1,761 office buildings.
Frequently asked questions
How many office buildings does WC AND AN MILLER DEVELOPMENT COMPANY own in Washington?
4 office properties (4 parcels) on the Washington, DC roll, counted by building rather than by condo parcel.
What is WC AND AN MILLER DEVELOPMENT COMPANY's largest office building?
4910 MASSACHUSETTS AVE NW, Washington — 84.3K sq ft, assessed at $16.1M.
What are WC AND AN MILLER DEVELOPMENT COMPANY's office properties worth?
Their combined assessed value on the current Washington, DC roll is $28,489,700. Assessed values are taxable-roll figures, not market prices.
Related
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.
Dataset updated . Derived from public data sources.
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, “WC AND AN MILLER DEVELOPMENT COMPANY — Washington office property holdings”, https://buildingcensus.com/offices/dc/owners/wc-and-an-miller-development-company-4bc14b (data as of September 20, 2026).