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6817 TIZNOW LN 78610

Travis County, TX · Land / Vacant Appraisal: 2025 Certified Billing: 2025 Verified 2021–24 billing ✓ Delinquent
At a Glance
2025 Certified
Market Value
$297,763
2025 Verified
Taxable Value
$238,210
2025 Verified (20% below market)
Total Tax
$7,058
2025 Verified
Effective Tax Rate (2025)
2.3700%
2025 Tax ÷ 2025 Market Value Verified
2026 Certified
Market Value
$298,543
+0.3% 2025 → 2026 Certified
Taxable Value
$238,834
2026 Certified (20% below market)
Est. 2026 Total Tax
~$6,967
2026 Estimated
Est. 2026 Effective Tax Rate
2.3335%
Est. 2026 Tax ÷ 2026 Market Value Estimated
At a Glance Tax Bill History Compares Resources
2026 Property Tax Calendar ◷ Today: September 19, 2026
Valuation Date
Jan 1
Notices Mailed
Apr 15
Protest Deadline
May 15
Roll Certified
Jul 25
Rates Adopted
Sep 1
Payment Due
Jan 31
This parcel has a real delinquent balance on file: $4,914.
Property Info
Owner MARTENS MICHELLE JUNE
Parcel ID 0369100720
Short ID 971004
Type Real
Use Code 01 Single-Family Residence
Valuation Cost
Improvement SF 1,595 SF
Land SF 4,800 SF
Acres 0.110
Year Built 2023
Legal DEL CABALLO UNIT 1 BLK 3 LOT 6
Neighborhood H1501
Current Values 2025 Certified
Land$62,475
Special Use Land MarketNot Available
Total Land $62,475
Improvement$235,288
Total Improvement $235,288
Market$297,763
Special Use Exclusion (−)Not Available
Appraised$297,763
Value Limitation Adjustment (−)
Net Appraised (assessed) $297,763
Exemptions (−) (HS)−$59,553
Taxable Value $238,210
Build-up from 2025 TCAD certified values. Land and Improvement are shown as single totals — Parcelytics' loaders capture one aggregate value per year, not TCAD's Homesite / Non-Homesite split. Special Use Land Market and Special Use Exclusion (agricultural/productivity valuation) are not in the current dataset.
Delinquency
Total Due $4,914.26
First Delinquent
As of June 20, 2026 — Travis County Tax Office snapshot. This balance may have grown since then due to ongoing statutory penalty and interest (Tax Code §33.01); verify the exact current amount with the Travis County Tax Office ↗ before relying on it.
Satellite View Imagery: Esri
Satellite image not available
We couldn't locate this property on the map — this can happen for parcels whose address our geocoder can't confidently match.
Investor Insight Report

Tax Burden: The combined rate across 8 taxing entities is 2.9169% in 2025 (+0.0275% vs 2024 — rates increased ). At the current taxable value, estimated annual taxes are $6,948. Travis County MUD #26 is the largest single contributor, at 38.0% of the total 2025 levy.

Asset Class: Land / Vacant. This is valued using the cost approach, tied more to replacement cost and physical condition than to income performance.


Investment Snapshot — 2025 certified basis
Building (Main)
1,595 SF
living area
Gross Building
1,981 SF
enclosed area
Land
4,800 SF
0.110 ac
Value / Bldg SF
$187
all-in (incl. land)
Land $/SF
$13
land value only
Land Value Share
21%
Year Built
2023
~3 yrs old
Eff. Tax Rate
2.370%
total tax ÷ market value
Est. Annual Tax
$6,948
2025 taxable × rate

Value Composition: Land carries 21% of market value ($62,475 land vs $235,288 improvements), about $13/SF of land. Most value sits in the improvements, so building condition, age (~3 yrs), and rent roll drive the underwriting.

Submarket Position: At $297,763, this parcel sits in the upper-middle (50th–75th percentile) of Land/Vacant property in Travis County — county median $85,028 (P25 $24,862 / P75 $363,420, n=35,611). Land/Vacant here is the broad TCAD category — every land/vacant property countywide, any size or use — not a use-code-specific peer group. See the Peer Set and the Where This Property Stands benchmark below, which narrows to this property's actual use code, for parcel-level comparables.

Delinquent Taxes: $4,914.26 in unpaid taxes . These become a lien on the property and transfer to the buyer at closing unless negotiated otherwise.

Improvement Detail
Improvement Value
$235,288
Main Area
1,595 SF
Gross Building Area
1,981 SF
Year Built
2023
6 components · show ▾hide ▴
Code Description SF In Gross
1ST 1st Floor 1,595 SF
095 HVAC RESIDENTIAL 1,595 SF
041 GARAGE ATT 1ST F 380 SF
011 PORCH OPEN 1ST F 163 SF
252 BEDROOMS 4 SF
251 BATHROOM 2 SF
Your Tax Bill, This Year
Why This Property's Tax Bill Changed (2024 → 2025)
▲ Value change added $6,870 — taxable value went up.
▲ Tax rates added $124 — tax rates went up overall.
▼ Exemption changes saved $7,965 — this parcel gained exemption value.
Exemptions or a cap likely reset (commonly after a sale) — most of the change in 2025 taxable value isn't explained by the assessed-value change alone.

Rate effect by entity
Entity 2024 Rate 2025 Rate Rate Effect
City of Mustang Ridge 0.2388% 0.2708% +95
Del Valle ISD 0.9969% 0.9489% -76
Travis County 0.3444% 0.3758% +75
Travis Central Health 0.1080% 0.1180% +24
Austin Community College 0.1013% 0.1034% +6
Travis County MUD #26 0.9000% 0.9000% +0
Travis County ESD # 11 0.1000% 0.1000% +0
Travis County ESD # 15 0.1000% 0.1000% +0
2025 Tax Burden — Entity Split
U10F
38.0% $2,680
IDV
21.2% $1,497
TCO
12.7% $895
CMR
11.4% $806
ACT
4.3% $303
E11
4.2% $298
E15
4.2% $298
THD
4.0% $281
Total: $7,058
Risk Indicators
Risk Indicators
!
Large Value Jump

Market value changed by 438% in 2024, flagged as unusually large. Verify against comparable sales before using this value in underwriting.

!
Delinquent Taxes

This parcel has unpaid taxes on record. Delinquent taxes are a lien on the property and transfer to the buyer at closing unless negotiated otherwise.

How We Got Here
Rate Environment
Historical Tax Rates by Entity (Travis County)
Entity 2021 Rate 2022 Rate 2023 Rate 2024 Rate 2025 Rate YoY (2024→25) Amt Due Amt Paid Balance
U10F Travis County MUD #26 0.6100% 0.7725% 0.9000% 0.9000% 0.9000% +0.0000% $2,679.87 $998.86 $1,681.01
IDV Del Valle ISD 1.2020% 1.1846% 1.0028% 0.9969% 0.9489% -0.0480% $1,497.01 $557.96 $939.05
TCO Travis County 0.3574% 0.3182% 0.3047% 0.3444% 0.3758% +0.0314% $895.30 $333.70 $561.60
CMR City of Mustang Ridge 0.3882% 0.3112% 0.2652% 0.2388% 0.2708% +0.0320% $806.27 $300.52 $505.75
ACT Austin Community College 0.1048% 0.0987% 0.0986% 0.1013% 0.1034% +0.0021% $302.72 $112.82 $189.90
E11 Travis County ESD # 11 0.1000% 0.0949% 0.1000% 0.1000% 0.1000% +0.0000% $297.76 $110.97 $186.79
E15 Travis County ESD # 15 0.1000% 0.0949% 0.1000% 0.1000% 0.1000% +0.0000% $297.76 $110.97 $186.79
THD Travis Central Health 0.1118% 0.0987% 0.1007% 0.1080% 0.1180% +0.0101% $281.14 $104.78 $176.36
Combined Rate 2.9742% 2.9737% 2.8719% 2.8894% 2.9169% +0.0275% $7,057.83 $2,630.58 $4,427.25
Value Trend
Value History 2021–2026
Current & Certified Values
2026 Certified Certified 2025 Certified Certified Change 2025→2026
Market Value $298,543 $297,763 +0.3%
Assessed Value $298,543 $297,763 +0.3%
Land Value $62,475 $62,475 +0.0%
Improvement Value $236,068 $235,288 +0.3%
Taxable Value $238,834 $238,210 +0.3%
Exemptions HS HS
Total Tax 2026 = estimate
~$6,967
Estimated
$7,058
2026: Preliminary → Certified how this parcel's 2026 value moved since the June 9, 2026 preliminary notice
2026 Preliminary Preliminary 2026 Certified Certified Change
Market Value $298,543 $298,543 +0 (+0.0%)
Taxable Value $238,834 $238,834 +0 (+0.0%)
Value History (2021–2026)
Year Market Value Land Value Imprv Value Value Limitation Adj (−) Net Appraised (Assessed) Taxable Value Total Tax Source
2026 $298,543 $62,475 $236,068 $298,543 $238,834 Not yet — post-cert Certified — no billing yet
2025 $297,763 $62,475 $235,288 $297,763 $238,210 $7,058 Verified
2024 $— $60,000 $— $8,029 Verified
2023 $— $60,000 $— $1,162 Verified
Market Value vs. Taxable Value gap up to 20.0%
Year-over-Year Growth & Assessment Metrics
Year MktVal YoY Assessed YoY Asmt Ratio Eff. Tax Rate Coverage
2026 +0.3% +0.3% ~100% Not available Partial
2025 -7.7% -7.7% ~100% 2.3700% Verified
2024 +437.8% ! +437.8% ~100% 2.4900% Verified
2023 base year ~100% 1.9400% Verified
Cumulative market value growth (earliest valid year → 2025): +396.3%
Annual Trends Tax billing 2025 only
How This Parcel Compares
6-Year Projection Estimates Only
Submarket Position
Where This Property Stands — Land/Vacant Benchmark

In 2025, this property's market value of $297,763 places it in the 50th–75th percentile for Land/Vacant properties in Travis County (35611 comparable) — the county median of $85,028. Land/Vacant here is the broad TCAD category — every land/vacant property countywide, any size or use — not a use-code-specific peer group. Use the Use Code filter above to narrow to this property's actual type.

Year This Property Bottom 25% Median Top 25% Position Group YoY
2025 $297,763 $24,862 $85,028 $363,420 ↑ Above median +2.1%
2024 $23,000 $66,000 $330,000 +0.0%
2023 $25,000 $71,500 $271,439 +0.0%
More Resources
Property Tax & County News Travis County · live feed
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Post-Acquisition Tax Estimate Estimate · Not a prediction
Property: 1,595 SF main area · 1,981 SF gross · 0.110 ac lot
$

Estimate only. The appraisal district sets value as of Jan 1 (not at sale price). A sale is strong evidence of market value and is typically reflected in the next Jan 1 valuation. Taxing units set rates annually. Modeled from government data — not a legal or tax opinion.