421 DUNCAN ST
Valuation
Tax & Assessment
Property Facts
Transaction History(3)
Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Newport City Elementary School District
Neighborhood · ZIP 37821These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
Owner Tools
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
How this home compares
421 Duncan St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.
- Costs more per square foot than 90% of homes in Newport 37821
- Smaller than 78% of homes in Newport 37821
- Has a smaller lot than 85% of homes in Cocke County
- Older than 85% of homes in Cocke County
What homes are worth in Newport 37821
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 63% of homes in Newport 37821.
How it measures up in Newport 37821
The dot is this home. The mark in the middle is the typical home in Newport 37821.
Pricier than 63% of homes nearby
Pricier than 90% of homes nearby
Bigger than 22% of homes nearby
Bigger than 23% of homes nearby
Newer than 16% of homes nearby
| Measure | This home | Newport 37821 | Cocke County |
|---|---|---|---|
| Estimated valuepricier than | $249,471 | 63% of homes | 58% of homes |
| Price per ft²pricier than | $263 | 90% of homes | 84% of homes |
| Living areabigger than | 950 ft² | 22% of homes | 23% of homes |
| Lot sizebigger than | 0.35 ac | 23% of homes | 15% of homes |
| Year builtnewer than | 1952 | 16% of homes | 15% of homes |
About 421 Duncan St
How much is 421 Duncan St, Newport, TN worth?
The TopHap Estimate for 421 Duncan St, Newport, TN is $249,471 as of Oct 21, 2026. The likely range is $225,932 to $273,010. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 421 Duncan St, Newport, TN last sell?
421 Duncan St, Newport, TN last sold on Sep 1, 2026 for $249,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.
How big is 421 Duncan St, Newport, TN?
421 Duncan St, Newport, TN has 1 bathrooms, 950 square feet of living space and a 0.35-acre lot.
When was 421 Duncan St, Newport, TN built?
421 Duncan St, Newport, TN was built in 1952, making it 74 years old. The building has 1 story.
What schools serve 421 Duncan St, Newport, TN?
421 Duncan St, Newport, TN is assigned to Newport Grammar School (elementary), rated A. All sit in Newport City Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 421 Duncan St, Newport, TN compare to other homes in Newport 37821?
Among the 9,711 homes in Newport 37821, it is worth more than 63% of them ($249,471 against a typical $212,746), its price per square foot is higher than 90% of them ($263 against a typical $171), it is bigger than 22% of them (950 ft² against a typical 1,224 ft²), its lot is bigger than 23% of them (0.35 ac against a typical 0.83 ac) and it is newer than 16% of them (1952 against a typical 1986). Measured against all of Cocke County, it is worth more than 58% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 421 Duncan St, Newport, TN?
The 2025 property tax bill for 421 Duncan St, Newport, TN was $1,100. The county assessed it at $72,150.
More homes on Duncan St
- 454 Duncan St2 ba · 1,320 ft² · Sold $175K · Dec 2023
- 544 Duncan St$100K1 ba · 864 ft² · Sold $96K · Dec 2021
- 548 Duncan St$177K1 ba · 1,127 ft² · Sold $96K · Sep 2021
- 422 Duncan St$127K1 ba · 1,144 ft² · Sold $80K · Jan 2020
- 554 Duncan St$244K2 ba · 1,904 ft² · Sold $140K · May 2019
- 460 Duncan St$155K2 ba · 1,128 ft² · Sold $92K · Feb 2018
- 489 Duncan St$201K1 ba · 1,288 ft² · Sold $93K · May 2015
- 439 Duncan St$69K1 ba · 640 ft² · Sold $18K · Apr 2015
- 504 Duncan St$122K1 ba · 784 ft² · Sold $62K · Sep 2013
- 414 Duncan St$94K2 ba · 1,114 ft² · Sold $46K · Jul 2013
- 415 Duncan St$137K1 ba · 1,102 ft² · Sold $20K · Jan 2013
- 481 Duncan St$223K1 ba · 1,064 ft² · Sold $83K · Mar 2004
Closest homes
- 140 Miller Ridge Rd$121K85 ft · 2 ba · 1,112 ft²
- 132 Miller Ridge Rd$125K109 ft · 1 ba · 952 ft² · Sold Apr 2008
- 415 Duncan St$137K118 ft · 1 ba · 1,102 ft² · Sold $20K · Jan 2013
- 434 Duncan St$128K159 ft · 1 ba · 1,686 ft² · Sold Jan 1900
- 422 Duncan St$127K182 ft · 1 ba · 1,144 ft² · Sold $80K · Jan 2020
- 439 Duncan St$69K164 ft · 1 ba · 640 ft² · Sold $18K · Apr 2015
- 144 Smith St$90K182 ft · 1 ba · 480 ft²
- 171 S Susong St218 ft · 700 ft² · Sold $8K · Feb 2017
More homes in Newport 37821
- 148 Carson Springs Rd2 ba · 1,620 ft² · Sold $225K · Oct 2026
- 655 Trentham Rd$750K2 ba · 1,753 ft² · Sold Oct 2026
- Riviera Dr0.68 ac · Sold Oct 2026
- Riviera Dr0.68 ac · Sold Oct 2026
- Riviera Dr0.68 ac · Sold Oct 2026
- Riviera Dr0.68 ac · Sold Oct 2026
- Trentham Rd5.05 ac · Sold Oct 2026
- 108 English St1 ba · 1,056 ft² · Sold $150K · Oct 2026
- 359 Old Knoxville Hwy$225K1 ba · 900 ft² · Sold $218K · Oct 2026
- Edwina Bridgeport Rd Off1.15 ac · Sold $470K · Oct 2026
- 254 Harvest St1 ba · 1,000 ft² · Sold $68K · Oct 2026
- 228 Mineral St$113K1 ba · 663 ft² · Sold $77K · Oct 2026
Assigned schools
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