# 170 Piedmont Avenue Southeast, Atl Government in Atl, Georgia. It covers 77,377 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 170 Piedmont Avenue Southeast, Atl. Government in Atl, Georgia. Property ID sp9nfhxk5n8p48q. ## Facts **Facts about 170 Piedmont Avenue Southeast, Atl** | Fact | Value | Source | | --- | --- | --- | | Address | 170 Piedmont Avenue Southeast, Atl, GA 30303 | [Overture Maps addresses](https://skypsi.com/property/ga/atlanta/sp9nfhxk5n8p48q-170-piedmont-avenue-southeast-atl/#how-we-know) | | Building type | Government | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ga/atlanta/sp9nfhxk5n8p48q-170-piedmont-avenue-southeast-atl/#how-we-know) | | Place name | Ga State Twin Towers | [Overture Maps places](https://skypsi.com/property/ga/atlanta/sp9nfhxk5n8p48q-170-piedmont-avenue-southeast-atl/#how-we-know) | | Place type | central government office | [Overture Maps places](https://skypsi.com/property/ga/atlanta/sp9nfhxk5n8p48q-170-piedmont-avenue-southeast-atl/#how-we-know) | | Footprint | 77,377 square feet | [USA Structures](https://skypsi.com/property/ga/atlanta/sp9nfhxk5n8p48q-170-piedmont-avenue-southeast-atl/#how-we-know) | | Perimeter | 1,167.14 feet | [USA Structures](https://skypsi.com/property/ga/atlanta/sp9nfhxk5n8p48q-170-piedmont-avenue-southeast-atl/#how-we-know) | | Height | 293.86 feet | [USGS 3D Elevation Program](https://skypsi.com/property/ga/atlanta/sp9nfhxk5n8p48q-170-piedmont-avenue-southeast-atl/#how-we-know) | | Height survey year | 2019 | [USGS 3D Elevation Program](https://skypsi.com/property/ga/atlanta/sp9nfhxk5n8p48q-170-piedmont-avenue-southeast-atl/#how-we-know) | | Stories | 23 stories | [USGS 3D Elevation Program](https://skypsi.com/property/ga/atlanta/sp9nfhxk5n8p48q-170-piedmont-avenue-southeast-atl/#how-we-know) | | Exterior wall area | 342,982 square feet | [SkyPSI estimator](https://skypsi.com/property/ga/atlanta/sp9nfhxk5n8p48q-170-piedmont-avenue-southeast-atl/#how-we-know) | | Parcel number | 14 005200050516 | [County and state public records](https://skypsi.com/property/ga/atlanta/sp9nfhxk5n8p48q-170-piedmont-avenue-southeast-atl/#how-we-know) | | Land use | 690 E1 | [County and state public records](https://skypsi.com/property/ga/atlanta/sp9nfhxk5n8p48q-170-piedmont-avenue-southeast-atl/#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 from a boom lift and by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $52,000 | $93,000 | $155,500 | ### Window cleaning **Window cleaning by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows, rope access | $69,000 | $138,000 | $241,500 | | Windows inside and out, rope access | $76,000 | $152,000 | $269,000 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift and Rope access fit this building at the same cost, most likely $93,000. - [Window cleaning](https://skypsi.com/estimates/window-cleaning/): Rope access fits this building, most likely $138,000. ## Similar buildings nearby - [Government in Atlanta](https://skypsi.com/property/ga/atlanta/sp87thp4928zqjd-government-atlanta/) - [Government in Atlanta](https://skypsi.com/property/ga/atlanta/sp8yekq54qxdpf7-government-atlanta/) - [Government in Atlanta](https://skypsi.com/property/ga/atlanta/spwcamb1t12cqh9-government-atlanta/) ## 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. - [Overture Maps addresses](https://docs.overturemaps.org/attribution/): Street addresses from the Overture Maps addresses theme. - [Overture Maps places](https://docs.overturemaps.org/attribution/): Business and place names from the Overture Maps places theme. - [SkyPSI estimator](https://skypsi.com/estimates/methodology/sources-and-licensing/): SkyPSI's own price model, calibrated rates and building-class rules. - [USGS 3D Elevation Program](https://www.usgs.gov/3d-elevation-program): Lidar elevation data that gives building heights where other sources have none. 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, Overture Maps addresses, Overture Maps places, SkyPSI estimator, USGS 3D Elevation Program. 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/ Addresses: Overture Maps Foundation, overturemaps.org (addresses theme), including the U.S. Department of Transportation National Address Database (NAD). https://docs.overturemaps.org/attribution/ Business names: Overture Maps Foundation, overturemaps.org (places theme, CDLA Permissive 2.0). https://docs.overturemaps.org/attribution/ Building heights from the U.S. Geological Survey 3D Elevation Program (public domain). https://www.usgs.gov/3d-elevation-program Page: https://skypsi.com/property/ga/atlanta/sp9nfhxk5n8p48q-170-piedmont-avenue-southeast-atl/ JSON: https://skypsi.com/property/ga/atlanta/sp9nfhxk5n8p48q-170-piedmont-avenue-southeast-atl.json Content license: https://skypsi.com/content-license.txt