37046 Property Tax Rate
College Grove, Tennessee · Part of Williamson County
Effective Tax Rate
0.34%
137.6% above state avgMedian Annual Tax
$2,866
$239/mo escrow
Estimate Your Tax
Annual Tax
$2,866
Monthly
$239
Eff. Rate
0.34%
Buyer decision brief
What ZIP 37046 means for your housing budget
Use this ZIP page to compare recurring tax burden before you compare listing prices. The numbers below are Census ZCTA estimates, so they are strongest for neighborhood comparison and weakest for parcel-specific tax planning.
Monthly escrow signal
$239/mo
Based on median annual tax paid
State context
0.21 percentage points below the Tennessee average
Tennessee average: 0.55%
Data confidence
High confidenceThe Census margin of error is $352, about 12% of the median tax estimate.
Verify before you offer
- Confirm parcel assessed value with Williamson County assessor.
- Check homestead, senior, veteran, and disability exemptions.
- Ask whether purchase triggers reassessment or value-cap reset.
- Review school district and special assessment boundaries.
Lower-rate similar ZIPs
Similar in-state ZIPs in this comparison set do not show a lower effective rate. Use the state table to widen the search.
This is informational content, not tax, legal, or mortgage advice. Local assessor records remain the source of truth for a specific property.
Data confidence ledger
Can you trust ZIP 37046 for comparison?
ACS vintage
2019-2023 ACS 5-Year Estimates
Five-year Census ZCTA estimates.
ZCTA caveat
Census area, not parcel boundary
USPS ZIP routes and taxing districts can differ inside the same area.
Field completeness
3/3 required fields
Median tax, home value, and derived rate are present.
MOE status
Strong ACS confidence
$352 tax MOE, 12% of the median tax estimate.
Last site refresh
March 10, 2026
Dataset and page-quality audit run locally before publication.
County fallback
County advisory available
Williamson County is used for assessor verification and broader context.
Tax bill anatomy
What can change your actual bill in ZIP 37046
Use the ZIP estimate to compare neighborhoods, then verify these parcel-level inputs before relying on a payment estimate.
Assessed value
The ZCTA median home value is $842,900, but your bill starts with the local assessed value for a specific parcel.
Effective rate
The displayed rate is 0.34%, derived from median tax paid divided by median home value.
Exemptions
Homestead, senior, veteran, disability, and local exemptions can reduce taxable value. Confirm eligibility before estimating escrow.
Reassessment
A purchase can change assessed value depending on Tennessee and county rules. Ask how sale price affects the next assessment cycle.
Escrow impact
The median tax paid in this ZCTA equals about $239 per month before insurance, HOA dues, or special assessments.
Assessor verification
Williamson County assessor or tax collector records are the source of truth for parcel taxes, appeal windows, and exemptions.
How ZIP 37046 Compares
Median Annual Property Tax
ZIP 37046
0.34%
Effective rate
Tennessee Avg
0.55%
Effective rate
National Avg
1.10%
Effective rate
State Ranking
Property Tax Rank in Tennessee
Lower than 94% of ZIP codes in Tennessee(6th percentile, 580 ZIPs compared)
Property Tax Analysis
Property Tax Insights for ZIP 37046
Property owners in ZIP code 37046 (College Grove, Tennessee) pay a median of $2,866/year in property taxes on homes valued at $842,900. This translates to an effective tax rate of 0.34%, which is 38% below the Tennessee state average of 0.55%.
The monthly property tax burden for a median-valued home in 37046 is approximately $239, which factors into escrow payments on mortgages. This ZIP code is located within Williamson County. This is $1,660 more than the Tennessee average of $1,206/year.
Compared to similar ZIP codes in Tennessee, 37046 has lower property taxes. ZIP codes with similar effective rates include 37333 (0.34%) and 37057 (0.34%).
In College Grove, property taxes represent approximately 1.8% of the median household income of $162,712, providing context for the relative tax burden on homeowners in this area.
Tennessee has no statewide property tax reassessment cap; properties are revalued every four years by the Williamson County Assessor, and your assessed value resets to fair market value at sale. Williamson County offers a homestead exemption of $25,000 off assessed value for primary residences — apply with the Williamson County Assessor's office after closing. Contact the Williamson County Assessor immediately after purchase to file for homestead exemption and confirm your base year value to avoid overpayment.
Frequently Asked Questions
What is the property tax rate in ZIP code 37046?
How much are property taxes in College Grove, TN (37046)?
How does ZIP 37046 compare to the Tennessee average?
What is the median home value in ZIP 37046?
What county is ZIP code 37046 in?
Margin of Error
The median property tax estimate for this ZIP code has a margin of error of ±$352. ZCTA-level data has wider margins than county-level estimates due to smaller sample sizes.
County-Level Data
ZIP code 37046 is part of Williamson County, Tennessee. View the full county profile for broader context and more data.
View Williamson County on TaxByCounty →Why compare these ZIPs?
Better comparison set for ZIP 37046
Each ZIP highlights a homebuyer tradeoff: lower rate, stronger value context, shared county rules, city boundary changes, or nearby missing data.
37215
Nashville, TN
$116,200 higher median home value than ZIP 37046.
Rate
0.63%
Tax
$6,054
Quality
94
37212
Nashville, TN
$85,600 higher median home value than ZIP 37046.
Rate
0.70%
Tax
$6,472
Quality
94
37205
Nashville, TN
$47,100 higher median home value than ZIP 37046.
Rate
0.63%
Tax
$5,643
Quality
94
37027
Brentwood, TN
$1,600 higher median home value than ZIP 37046.
Rate
0.46%
Tax
$3,922
Quality
91
37333
Farner, TN
Within 0.00 percentage points of ZIP 37046.
Rate
0.34%
Tax
$393
Quality
77
37057
Dixon Springs, TN
Within 0.00 percentage points of ZIP 37046.
Rate
0.34%
Tax
$767
Quality
77
37714
Caryville, TN
Within 0.00 percentage points of ZIP 37046.
Rate
0.34%
Tax
$663
Quality
71
37771
Lenoir City, TN
Within 0.00 percentage points of ZIP 37046.
Rate
0.34%
Tax
$816
Quality
89
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates (ZCTA level). ZIP Code Tabulation Areas (ZCTAs) are Census approximations of USPS ZIP codes.
Estimates are informational only and should not be used as financial or legal advice.