# 309 Exchange Street South, Saint Paul Apartments in Saint Paul, Minnesota. It covers 8,051 square feet on the ground. Rates calibrated October 2, 2026. Review by December 31, 2026. Updated October 26, 2026. Method propdata-estimator-v6. ## This building 309 Exchange Street South, Saint Paul. Apartments in Saint Paul, Minnesota. Property ID sp507vnh7g5kd3r. ## Facts **Facts about 309 Exchange Street South, Saint Paul** | Fact | Value | Source | | --- | --- | --- | | Address | 309 Exchange Street South, Saint Paul, MN 55102 | [USA Structures](https://skypsi.com/property/mn/minneapolis/sp507vnh7g5kd3r-309-exchange-street-south-saint-paul/#how-we-know) | | Building type | Apartments | [USA Structures and SkyPSI estimator](https://skypsi.com/property/mn/minneapolis/sp507vnh7g5kd3r-309-exchange-street-south-saint-paul/#how-we-know) | | Footprint | 8,051 square feet | [USA Structures](https://skypsi.com/property/mn/minneapolis/sp507vnh7g5kd3r-309-exchange-street-south-saint-paul/#how-we-know) | | Perimeter | 418.93 feet | [USA Structures](https://skypsi.com/property/mn/minneapolis/sp507vnh7g5kd3r-309-exchange-street-south-saint-paul/#how-we-know) | | Height | 19.32 feet | [USA Structures](https://skypsi.com/property/mn/minneapolis/sp507vnh7g5kd3r-309-exchange-street-south-saint-paul/#how-we-know) | | Stories | 2 stories | [USA Structures](https://skypsi.com/property/mn/minneapolis/sp507vnh7g5kd3r-309-exchange-street-south-saint-paul/#how-we-know) | | Exterior wall area | 8,096 square feet | [SkyPSI estimator](https://skypsi.com/property/mn/minneapolis/sp507vnh7g5kd3r-309-exchange-street-south-saint-paul/#how-we-know) | | Parcel number | 123-012823410001 | [County and state public records](https://skypsi.com/property/mn/minneapolis/sp507vnh7g5kd3r-309-exchange-street-south-saint-paul/#how-we-know) | | Land use | 4D1 NON-HOMESTD QUALIFY LOW INC RENTAL | [County and state public records](https://skypsi.com/property/mn/minneapolis/sp507vnh7g5kd3r-309-exchange-street-south-saint-paul/#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, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $1,000 | $2,000 | $3,500 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $2,000. ## Similar buildings nearby - [313 Sherman Street, Saint Paul](https://skypsi.com/property/mn/minneapolis/spm2adfpqtfs6bt-313-sherman-street-saint-paul/) - [306 Exchange Street South, Saint Paul](https://skypsi.com/property/mn/minneapolis/sp1h7r4w8kgh8s7-306-exchange-street-south-saint-paul/) - [300 Exchange Street South, Saint Paul](https://skypsi.com/property/mn/minneapolis/spdpwmt4schf1k1-300-exchange-street-south-saint-paul/) - [143 Forbes Avenue, Saint Paul](https://skypsi.com/property/mn/minneapolis/spjnct5as4wbn9b-143-forbes-avenue-saint-paul/) - [300 Exchange Street South, Saint Paul](https://skypsi.com/property/mn/minneapolis/spwkshp6fzdj9jp-300-exchange-street-south-saint-paul/) - [300 Exchange Street South, Saint Paul](https://skypsi.com/property/mn/minneapolis/sphap3krrkcvaa5-300-exchange-street-south-saint-paul/) - [298 Exchange Street South, Saint Paul](https://skypsi.com/property/mn/minneapolis/spb66626dp06czr-298-exchange-street-south-saint-paul/) - [306 7th Street West, Saint Paul](https://skypsi.com/property/mn/minneapolis/spkyq1dd40yapp1-306-7th-street-west-saint-paul/) ## 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/mn/minneapolis/sp507vnh7g5kd3r-309-exchange-street-south-saint-paul/ JSON: https://skypsi.com/property/mn/minneapolis/sp507vnh7g5kd3r-309-exchange-street-south-saint-paul.json Content license: https://skypsi.com/content-license.txt