18 Blackstone St Property Information
Property Class
RES-&-DEV-FC
State Class Code
404
Zoning (Unofficial)
O-2
Map/Lot
129-58
Land Area (sq. ft)
52,060
Property Value
Year of Assessment 2025
Tax District C3
Residential Exemption No
Building Value $70,737,200
Land Value $31,574,000
Assessed Value $102,311,200
Sale Price $17,411,933
Book/Page 1166/16
Sale Date December 29, 1989
Previous Assessed Value $105,765,100
Owner Information
Owner(s) RIVERTECH ASSOCIATES LLC
Building Information
Commercial Building Number 1, Section 1 Exterior
Style OFFICE
Occupancy
RES-&-DEV-FC
Number of Stories 6
Exterior Wall Type
BRICK
Roof Material
OTHER
Wall Height
12
Partititions
EXCELLENT
Interior
Living Area (sq. ft.) 125,712
Number of Units
3
Systems
Heat Type HOT/CHLD-WTR
Heat Fuel
Gas
Plumbing
EXCELLENT
Condition & Grade
Year Built 1905
Overall Condition Very Good
Overall Grade Very-good
Subareas
Code
Description
Gross Area
Living Area
BAS
First Floor
30,126
30,126
F_3
Upper Finish 3
27,372
82,116
FOP
Porch, Open
1,104
0
FUS
Upper Story, Finished
13,470
13,470
GA1
Garage
1,104
0
GA2
Garage 2 Story
27,372
0
Total:
100,548
125,712
Extra Features / Outbuildings
Description ELEV-PSNGR
Number of Units 3.00
Unit Type U
Description CELL TOWER
Number of Units 2.00
Unit Type U
Photos
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Sketches
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This page contains much of the information used by the City of Cambridge to assess properties. The purpose of this information is to be used only for ad valorem taxation purposes and any other use is therefore not valid.