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10 Mason St; San Francisco, CA Property Details

10 Mason St, San Francisco, CA is a Commercial Office that was built in 1907. This property is currently Financed and is not for sale. Our records show that 10 Mason St has 9 bathrooms, and a total of 42,822 square feet. The lot size of 10 Mason St is 58 square feet.

Off market
944 Market St San Francisco, CA 94102
$39,906,884 Estimated Value
9 Baths
42,822 SqFt
Property Details

Summary

  • Purchase Method: Financed
  • Owners / Type: 1 / Corporate
  • Owner Status: Corporate
  • Year Built: 1907
  • Purchase Price: $33,050,000
  • Open Loans / Balance: 1 / $18,072,211
  • Inv. Liens / Amount: 8 / $1,547,578
  • APN: 0341-006
  • Situs County: San Francisco
  • Length Of Ownership: 10 years, 3 months

Rooms

  • Bathrooms: 9
  • Full Bathrooms: 9
  • Total Rooms: 95

Structure

  • Building Style: Steel
  • Stories: 8
  • Exterior Wall Type: Concrete
  • Building Condition: Average
  • Roof Type: Flat
  • Roof Cover Type: Tar & Gravel

Measurements

  • Total: 42,822/SqFt
  • Lot: 58/SqFt
  • Gross: 42,822/SqFt
  • Living: 42,822/SqFt
  • Building: 42,822/SqFt
  • Ground: 42,822/SqFt
  • Price Per Square Foot: $771.80

Legal Description

  • Description: BLK 172
Building Insights

Land Information

  • Property Type: Commercial Office
  • School District: San Francisco Unified School District
  • Lat / Lon: 37.78371 / -122.408966
  • Subdivision: 50 Vara Bl 172
  • Property Class: Office
  • Zoning: C3G
  • County Use Code: OFF

Amenities

  • Plus Four: 4000

Ownership Info

944 Market St has no associated ownership info
944 Market St has no associated ownership info.

Taxes

944 Market St has 7 associated Taxes items

10 Mason St, San Francisco, CA pays taxes in San Francisco County, CA. The most recent tax assessment records are from 2026 and show that the current assessed value of the property is $39,906,884. The APN we've located for 10 Mason St is 0341-006.

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Taxes
  • Assessed Value:  $39,906,884
  • Assessed Year:  2026
  • Assessed County:  San Francisco
  • APN:  0341-006
  • Assessed Land Value:  15697110
  • Tax Amount:  474950.66
  • Tax Year:  2025

Tax History

944 Market St has 13 associated Tax History items
YearAssessed ValueLand ValueImprovement ValueTax AmountChange RateAssessed CRTax Rate
Year 2026 Assessed Value $39,906,884 Land Value $15,697,110 Improvement Value $24,209,774 Tax Amount Change Rate Assessed CR Tax Rate
Year 2025 Assessed Value Land Value Improvement Value Tax Amount $474,950.66 Change Rate +0.02973% Assessed CR Tax Rate
Year 2024 Assessed Value $38,357,363 Land Value $15,087,615 Improvement Value $23,269,748 Tax Amount $461,237.94 Change Rate +0.014973% Assessed CR Tax Rate +0.012025%
Year 2023 Assessed Value $37,605,259 Land Value $14,791,780 Improvement Value $22,813,479 Tax Amount $454,433.81 Change Rate +0.018554% Assessed CR Tax Rate +0.012084%
Year 2022 Assessed Value $36,867,902 Land Value $14,501,746 Improvement Value $22,366,156 Tax Amount $446,155.88 Change Rate +0.017932% Assessed CR Tax Rate +0.012101%
Year 2021 Assessed Value $36,145,003 Land Value $14,217,399 Improvement Value $21,927,604 Tax Amount $438,296.28 Change Rate -0.003094% Assessed CR Tax Rate +0.012126%
Year 2020 Assessed Value $35,774,382 Land Value $14,071,618 Improvement Value $21,702,764 Tax Amount $439,656.44 Change Rate +0.035721% Assessed CR Tax Rate +0.01229%
Year 2019 Assessed Value $35,072,924 Land Value $13,795,704 Improvement Value $21,277,220 Tax Amount $424,493.09 Change Rate +0.034875% Assessed CR Tax Rate +0.012103%
Year 2018 Assessed Value $34,385,220 Land Value $13,525,200 Improvement Value $20,860,020 Tax Amount $410,187.94 Change Rate +0.894738% Assessed CR Tax Rate +0.011929%
Year 2017 Assessed Value $17,639,295 Land Value $10,562,452 Improvement Value $7,076,843 Tax Amount $216,487.91 Change Rate +0.01488% Assessed CR Tax Rate +0.012273%
Year 2016 Assessed Value $17,293,428 Land Value $10,355,346 Improvement Value $6,938,082 Tax Amount $213,313.81 Change Rate +1.460288% Assessed CR Tax Rate +0.012335%
Year 2015 Assessed Value $6,557,490 Land Value $3,934,495 Improvement Value $2,622,995 Tax Amount $86,702.78 Change Rate +0.024334% Assessed CR Tax Rate +0.013222%
Year 2014 Assessed Value $6,429,039 Land Value $3,857,424 Improvement Value $2,571,615 Tax Amount $84,643.04 Change Rate Assessed CR Tax Rate +0.013166%