# 20 NW 1 Ave, Miami Government in Miami, Florida. It covers 52,863 square feet on the ground. Rates calibrated October 2, 2026. Review by December 31, 2026. Updated October 14, 2026. Method propdata-estimator-v6. ## This building 20 NW 1 Ave, Miami. Government in Miami, Florida. Property ID sp1j2g7npq6dwk0. ## Facts **Facts about 20 NW 1 Ave, Miami** | Fact | Value | Source | | --- | --- | --- | | Address | 20 NW 1 Ave, Miami, FL 33130 | [USA Structures](https://skypsi.com/property/fl/miami/sp1j2g7npq6dwk0-20-nw-1-ave-miami/#how-we-know) | | Building type | Government | [USA Structures and SkyPSI estimator](https://skypsi.com/property/fl/miami/sp1j2g7npq6dwk0-20-nw-1-ave-miami/#how-we-know) | | Footprint | 52,863 square feet | [USA Structures](https://skypsi.com/property/fl/miami/sp1j2g7npq6dwk0-20-nw-1-ave-miami/#how-we-know) | | Perimeter | 927.82 feet | [USA Structures](https://skypsi.com/property/fl/miami/sp1j2g7npq6dwk0-20-nw-1-ave-miami/#how-we-know) | | Height | 81.99 feet | [USA Structures](https://skypsi.com/property/fl/miami/sp1j2g7npq6dwk0-20-nw-1-ave-miami/#how-we-know) | | Height survey year | 2018 | [USA Structures](https://skypsi.com/property/fl/miami/sp1j2g7npq6dwk0-20-nw-1-ave-miami/#how-we-know) | | Stories | 6 stories | [USA Structures](https://skypsi.com/property/fl/miami/sp1j2g7npq6dwk0-20-nw-1-ave-miami/#how-we-know) | | Exterior wall area | 76,070 square feet | [SkyPSI estimator](https://skypsi.com/property/fl/miami/sp1j2g7npq6dwk0-20-nw-1-ave-miami/#how-we-know) | | Parcel number | 0141370270010 | [County and state public records](https://skypsi.com/property/fl/miami/sp1j2g7npq6dwk0-20-nw-1-ave-miami/#how-we-know) | | Land use | 086 Counties (non-municipal government) | [County and state public records](https://skypsi.com/property/fl/miami/sp1j2g7npq6dwk0-20-nw-1-ave-miami/#how-we-know) | | Year built | 1980 | [County and state public records](https://skypsi.com/property/fl/miami/sp1j2g7npq6dwk0-20-nw-1-ave-miami/#how-we-know) | | Building area on the parcel record | 1 square feet | [County and state public records](https://skypsi.com/property/fl/miami/sp1j2g7npq6dwk0-20-nw-1-ave-miami/#how-we-know) | ## Cost ranges Whole-building ranges from the SkyPSI estimator, calibrated October 2, 2026. Grade C: modelled from the Texas calibration. [What the grades mean](https://skypsi.com/estimates/methodology/confidence-grades/). ### Exterior soft wash **Exterior soft wash by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash (drone) | $6,000 | $11,500 | $19,500 | | Facade wash with mold or growth treatment | $9,500 | $17,000 | $29,500 | **Exterior soft wash from a boom lift and by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $11,500 | $21,000 | $35,000 | ### Window cleaning **Window cleaning by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows only | $2,500 | $4,500 | $8,000 | | Windows inside and out | $4,000 | $8,000 | $14,000 | **Window cleaning by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows, rope access | $15,500 | $31,000 | $54,500 | | Windows inside and out, rope access | $17,000 | $34,500 | $61,000 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Drone has the lowest cost, most likely $11,500. - [Window cleaning](https://skypsi.com/estimates/window-cleaning/): Drone has the lowest cost, most likely $4,500. ## Similar buildings nearby - [20 NW 1 Ave, Miami](https://skypsi.com/property/fl/miami/spkayggfejffh2m-20-nw-1-ave-miami/) - [111 NW 1 St, Miami](https://skypsi.com/property/fl/miami/spvzst9t04qp7x6-111-nw-1-st-miami/) - [20 NW 1 Ave, Miami](https://skypsi.com/property/fl/miami/spp6ks7tgae6t74-20-nw-1-ave-miami/) ## 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](https://comptroller.texas.gov/taxes/property-tax/): Situs addresses, parcel numbers, land use, year built and floor counts from county appraisal districts and state open data. - [USA Structures](https://disasters.geoplatform.gov/USA_Structures/): Building footprints, heights and occupancy from FEMA's USA Structures. - [SkyPSI estimator](https://skypsi.com/estimates/methodology/sources-and-licensing/): 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](https://skypsi.com/estimates/methodology/how-a-skyestimate-is-built/). [Request a Quote](https://skypsi.com/request-a-quote) --- Sources: County and state public records, USA Structures, SkyPSI estimator. Parcel and address facts from county appraisal districts and state open-data programs (public records). https://comptroller.texas.gov/taxes/property-tax/ Building footprints: USA Structures, FEMA Response Geospatial Office, Oak Ridge National Laboratory and U.S. Geological Survey (CC BY 4.0). https://disasters.geoplatform.gov/USA_Structures/ Page: https://skypsi.com/property/fl/miami/sp1j2g7npq6dwk0-20-nw-1-ave-miami/ JSON: https://skypsi.com/property/fl/miami/sp1j2g7npq6dwk0-20-nw-1-ave-miami.json Content license: https://skypsi.com/content-license.txt