taxes Property Tax Assistance

2025 ISD Summary Worksheet

Houston ISD (all splits)   Harris County  

101-Harris/Harris County

101-912/Houston ISD

Category Local Tax Roll Value 2025 WTD Mean Ratio 2025 PTAD Value Estimate 2025 Value Assigned
A - SINGLE-FAMILY 156,815,198,477 0.9848 159,235,579,282 156,815,198,477
B - MULTIFAMILY 36,674,939,042 1.0034 36,550,666,775 36,674,939,042
C1 - VACANT LOTS 6,785,282,224 0.9107 7,450,622,844 6,785,282,224
C2 - COLONIA LOTS 0 N/A 0 0
D1 ACRES - QUALIFIED OPEN-SPACE LAND 353,017 1.1049 319,494 353,017
D2 - FARM & RANCH IMP 3,672,706 N/A 3,672,706 3,672,706
E - NON-AG LAND AND IMPROVEMENTS 328,434,891 1.0238 320,799,854 328,434,891
F1 - COMMERCIAL REAL 68,194,328,458 0.9127 74,717,134,281 68,194,328,458
F2 - INDUSTRIAL REAL 5,040,937,106 N/A 5,040,937,106 5,040,937,106
G - ALL MINERALS 4,145,590 N/A 4,145,590 4,145,590
J - ALL UTILITIES 3,103,846,110 0.9414 3,297,053,442 3,103,846,110
L1 - COMMERCIAL PERSONAL 12,353,051,487 1.0578 11,678,059,640 12,353,051,487
L2 - INDUSTRIAL PERSONAL 8,043,723,304 N/A 8,043,723,304 8,043,723,304
M1 - MOBILE HOMES 86,761,145 N/A 86,761,145 86,761,145
N - INTANGIBLE PERSONAL PROPERTY 0 N/A 0 0
O - RESIDENTIAL INVENTORY 372,860,672 N/A 372,860,672 372,860,672
S - SPECIAL INVENTORY 628,310,742 N/A 628,310,742 628,310,742
Subtotal 298,435,844,971 0 307,430,646,877 298,435,844,971
Less Total Deductions 63,695,136,148 0 64,407,753,276 63,695,136,148
Total Taxable Value 234,740,708,823 0 243,022,893,601 234,740,708,823

The taxable values shown here will not match the values reported by your appraisal district.

See the ISD DEDUCTION Report for a breakdown of deduction values.

Government Code subsections 403.302(j) and (k) require the Comptroller's office to certify alternative measures of school district wealth. These measures are reported for taxable values for maintenance and operation (M&O) tax purposes and for interest and sinking fund (I&S) tax purposes. For school districts that have not entered into value limitation agreements, T1 through T4 will be the same as T7 through T10.

VALUE TAXABLE FOR M&O PURPOSES

Measure Value Description
T1 243,065,780,540 School district taxable value for M&O purposes before the loss to the increase in the state-mandated homestead exemption
T2 234,740,708,823 School district taxable value for M&O purposes after the loss to the increase in the state-mandated homestead exemption
T3 232,359,076,115 T1 minus 50% of the loss to the local optional percentage homestead exemption
T4 224,034,004,398 T2 minus 50% of the loss to the local optional percentage homestead exemption
T13 256,902,388,371 T-1 plus the cost of the second most recent increase for that SDPVS year in the mandatory homestead exemptions
T15 260,442,776,928 T-13 plus the cost of the third most recent increase for that SDPVS year in the mandatory homestead exemptions
T17 245,005,417,237 School district taxable value for M&O purposes after the loss to the increase in the state-mandated homestead exemption and based on the compressed freeze loss
T19 262,806,882,920 T-15 plus the cost of the fourth most recent increase for that PVS year in the mandatory homestead exemptions
T21 237,428,088,124 T-2 plus the cost of the most recent increase in the mandatory over-65 and disabled homestead exemptions

VALUE TAXABLE FOR I&S PURPOSES

Measure Value Description
T7 243,065,780,540 School district taxable value for I&S purposes before the loss to the increase in the state-mandated homestead exemption
T8 234,740,708,823 School district taxable value for I&S purposes after the loss to the increase in the state-mandated homestead exemption
T9 232,359,076,115 T7 minus 50% of the loss to the local optional percentage homestead exemption
T10 224,034,004,398 T8 minus 50% of the loss to the local optional percentage homestead exemption
T14 256,902,388,371 T-7 plus the cost of the second most recent increase for that SDPVS year in the mandatory homestead exemptions
T16 260,442,776,928 T-14 plus the cost of the third most recent increases for that SDPVS year in the mandatory homestead exemptions
T18 245,005,417,237 School district taxable value for I&S purposes after the loss to the increase in the state-mandated homestead exemption and based on the compressed freeze loss
T20 262,806,882,920 T-19 plus the loss to chapter 313 agreements and JETI agreements
T22 237,428,088,124 T-21 plus the loss to chapter 313 agreements and JETI agreements

MISCELLANEOUS LOSS AMOUNTS

Measure Value Description
LOSS_INCR_HMSTD 8,325,071,717 Loss to the most recent increase in the state-mandated homestead exemption
LOSS_LOCL_HMSTD 10,706,704,425 50% of the loss to the local optional percentage homestead exemption
LOSS_PREV_INCR_HMSTD 13,836,607,831 Loss to the second most recent increase in the state-mandated homestead exemption
LOSS_SCND_INCR_HMSTD 3,540,388,557 Loss to the third most recent increase in the state-mandated homestead exemption
LOSS_THRD_INCR_HMSTD 2,364,105,992 Loss to the fourth most recent increase in the Homestead Exemption Formulas
LOSS_INCR_O65_HMSTD 2,687,379,301 Loss to the increase in the Over-65/Disabled Homestead

THE SDPVS FOUND YOUR LOCAL VALUE TO BE VALID AS A RESULT OF THE SDPVS, AND LOCAL VALUE WAS CERTIFIED.


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101-912-02/Houston ISD



Category Local Tax Roll Value 2025 WTD Mean Ratio 2025 PTAD Value Estimate 2025 Value Assigned
A - SINGLE-FAMILY 156,815,198,477 0.9848 159,235,579,282 156,815,198,477
B - MULTIFAMILY 36,674,939,042 1.0034 36,550,666,775 36,674,939,042
C1 - VACANT LOTS 6,785,282,224 0.9107 7,450,622,844 6,785,282,224
C2 - COLONIA LOTS 0 N/A 0 0
D1 ACRES - QUALIFIED OPEN-SPACE LAND 353,017 1.1049 319,494 353,017
D2 - FARM & RANCH IMP 3,672,706 N/A 3,672,706 3,672,706
E - NON-AG LAND AND IMPROVEMENTS 328,434,891 1.0238 320,799,854 328,434,891
F1 - COMMERCIAL REAL 68,194,328,458 0.9127 74,717,134,281 68,194,328,458
F2 - INDUSTRIAL REAL 5,040,937,106 N/A 5,040,937,106 5,040,937,106
G - ALL MINERALS 4,145,590 N/A 4,145,590 4,145,590
J - ALL UTILITIES 3,103,846,110 0.9414 3,297,053,442 3,103,846,110
L1 - COMMERCIAL PERSONAL 12,353,051,487 1.0578 11,678,059,640 12,353,051,487
L2 - INDUSTRIAL PERSONAL 8,043,723,304 N/A 8,043,723,304 8,043,723,304
M1 - MOBILE HOMES 86,761,145 N/A 86,761,145 86,761,145
N - INTANGIBLE PERSONAL PROPERTY 0 N/A 0 0
O - RESIDENTIAL INVENTORY 372,860,672 N/A 372,860,672 372,860,672
S - SPECIAL INVENTORY 628,310,742 N/A 628,310,742 628,310,742
Subtotal 298,435,844,971 307,430,646,877 298,435,844,971
Less Total Deductions 63,695,136,148 64,407,753,276 63,695,136,148
Total Taxable Value 234,740,708,823 243,022,893,601 234,740,708,823

The taxable values shown here will not match the values reported by your appraisal district.

See the ISD DEDUCTION Report for a breakdown of deduction values.

Government Code subsections 403.302(j) and (k) require the Comptroller's office to certify alternative measures of school district wealth. These measures are reported for taxable values for maintenance and operation (M&O) tax purposes and for interest and sinking fund (I&S) tax purposes. For school districts that have not entered into value limitation agreements, T1 through T4 will be the same as T7 through T10.

VALUE TAXABLE FOR M&O PURPOSES

Measure Value Description
T1 243,065,780,540 School district taxable value for M&O purposes before the loss to the increase in the state-mandated homestead exemption
T2 234,740,708,823 School district taxable value for M&O purposes after the loss to the increase in the state-mandated homestead exemption
T3 232,359,076,115 T1 minus 50% of the loss to the local optional percentage homestead exemption
T4 224,034,004,398 T2 minus 50% of the loss to the local optional percentage homestead exemption
T13 256,902,388,371 T-1 plus the cost of the second most recent increase for that SDPVS year in the mandatory homestead exemptions
T15 260,442,776,928 T-13 plus the cost of the third most recent increase for that SDPVS year in the mandatory homestead exemptions
T17 245,005,417,237 School district taxable value for M&O purposes after the loss to the increase in the state-mandated homestead exemption and based on the compressed freeze loss
T19 262,806,882,920 T-15 plus the cost of the fourth most recent increase for that PVS year in the mandatory homestead exemptions
T21 237,428,088,124 T-2 plus the cost of the most recent increase in the mandatory over-65 and disabled homestead exemptions

VALUE TAXABLE FOR I&S PURPOSES

Measure Value Description
T7 243,065,780,540 School district taxable value for I&S purposes before the loss to the increase in the state-mandated homestead exemption
T8 234,740,708,823 School district taxable value for I&S purposes after the loss to the increase in the state-mandated homestead exemption
T9 232,359,076,115 T7 minus 50% of the loss to the local optional percentage homestead exemption
T10 224,034,004,398 T8 minus 50% of the loss to the local optional percentage homestead exemption
T14 256,902,388,371 T-7 plus the cost of the second most recent increase for that SDPVS year in the mandatory homestead exemptions
T16 260,442,776,928 T-14 plus the cost of the third most recent increases for that SDPVS year in the mandatory homestead exemptions
T18 245,005,417,237 School district taxable value for I&S purposes after the loss to the increase in the state-mandated homestead exemption and based on the compressed freeze loss
T20 262,806,882,920 T-19 plus the loss to chapter 313 agreements and JETI agreements
T22 237,428,088,124 T-21 plus the loss to chapter 313 agreements and JETI agreements

MISCELLANEOUS LOSS AMOUNTS

Measure Value Description
LOSS_INCR_HMSTD 8,325,071,717 Loss to the most recent increase in the state-mandated homestead exemption
LOSS_LOCL_HMSTD 10,706,704,425 50% of the loss to the local optional percentage homestead exemption
LOSS_PREV_INCR_HMSTD 13,836,607,831 Loss to the second most recent increase in the state-mandated homestead exemption
LOSS_SCND_INCR_HMSTD 3,540,388,557 Loss to the third most recent increase in the state-mandated homestead exemption
LOSS_THRD_INCR_HMSTD 2,364,105,992 Loss to the fourth most recent increase in the Homestead Exemption Formulas
LOSS_INCR_O65_HMSTD 2,687,379,301 Loss to the increase in the Over-65/Disabled Homestead

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