Property record
840 Portion Road, Ronkonkoma
Apartments in Ronkonkoma, New York. It covers 7,615 square feet on the ground.
This building
840 Portion Road, Ronkonkoma. Apartments in Ronkonkoma, New York. Property ID spab2b3bndgs3t5.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 840 Portion Road, Ronkonkoma, NY 11779 | USA Structures |
| Building type | Apartments | USA Structures and SkyPSI estimator |
| Footprint | 7,615 square feet | USA Structures |
| Perimeter | 454.1 feet | USA Structures |
| Height | 21.43 feet | Overture Maps building footprints and Google Open Buildings |
| Stories | 2 stories | Overture Maps building footprints and Google Open Buildings |
| Exterior wall area | 9,733 square feet | SkyPSI estimator |
| Parcel number | 472289623.00-04-003.001 | County and state public records |
| Land use | 452 Area or neighborhood shopping centers | County and state public records |
Cost ranges
Whole-building ranges from the SkyPSI estimator, calibrated October 2, 2026. Grade C: modelled from the Texas calibration. What the grades mean.
Exterior soft wash
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $1,500 | $3,000 | $5,000 |
Best method
- Exterior soft wash: Boom lift fits this building, most likely $3,000.
Similar buildings nearby
- 856 Portion Road, Ronkonkoma
- 236 Avenue C, Ronkonkoma
- 305 Holbrook Road, Ronkonkoma
- 729 Portion Road, Lake Ronkonkoma
- 305 Holbrook Road, Ronkonkoma
- 214 Holbrook Road, Holbrook
- 305 Holbrook Road, Ronkonkoma
- 311 Holbrook Road, Ronkonkoma
How we know
Each fact names the source it comes from. A building file carries the source of each field, and SkyPSI shows that source beside the fact.
- County and state public records: Situs addresses, parcel numbers, land use, year built and floor counts from county appraisal districts and state open data.
- USA Structures: Building footprints, heights and occupancy from FEMA's USA Structures.
- Google Open Buildings: Building outlines and heights from Google Open Buildings, reached through the Overture Maps buildings theme.
- Overture Maps building footprints: Building outlines, heights and floor counts from the Overture Maps buildings theme.
- SkyPSI estimator: SkyPSI's own price model, calibrated rates and building-class rules.
Cost ranges come from the SkyPSI estimator, calibrated October 2, 2026. How a SkyEstimate is built.
Ask SkyPSI for a quote on your building.
Request a QuoteSources: County and state public records, USA Structures, Google Open Buildings, Overture Maps building footprints, SkyPSI estimator.
An estimate, not a quote. How a SkyEstimate is built.