21ST AVE
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Transaction History(2)
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: Charleston County School District
Neighborhood · ZIP 29451These 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
21st Ave 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.
- Has a bigger lot than 82% of homes in Isle of Palms 29451
How it measures up in Isle of Palms 29451
The dot is this home. The mark in the middle is the typical home in Isle of Palms 29451.
Bigger than 82% of homes nearby
| Measure | This home | Isle of Palms 29451 | Charleston County |
|---|---|---|---|
| Lot sizebigger than | 0.45 ac | 82% of homes | 78% of homes |
More homes on 21st Ave
- 22 21st Ave2 bd · 1.5 ba · 1,460 ft² · Sold $1.3M · Sep 2025
- 19 21st Ave$3.5M3 bd · 2 ba · 1,608 ft² · Sold $3.3M · Apr 2025
- 32 21st Ave$2M3 bd · 3 ba · 1,956 ft² · Sold $1.8M · Aug 2024
- 31 21st Ave$3M5 bd · 5 ba · 4,246 ft² · Sold $2.7M · Nov 2022
- 21 21st Ave$2.3M3 bd · 2 ba · 1,519 ft² · Sold $1.8M · Feb 2022
- 25 21st Ave$1.4M2 bd · 1 ba · 1,080 ft² · Sold $663K · Mar 2021
- 20 21st Ave$951K2 bd · 1 ba · 816 ft² · Sold $560K · Jul 2020
- 39 21st Ave$4.6M3 bd · 2.5 ba · 2,252 ft² · Sold $2M · Dec 2018
- 28 21st Ave3 bd · 2 ba · 1,393 ft² · Sold $500K · Jul 2017
- 27 21st Ave$993K2 bd · 1 ba · 816 ft² · Sold $270K · May 2012
- 16 21st Ave$2.2M0.38 ac · Sold $450K · Oct 2010
- 30 21st Ave$1.6M3 bd · 2 ba · 1,827 ft² · Sold $586K · Mar 2005
Closest homes
- 9 22nd Ave$3.5M182 ft · 5 bd · 4.5 ba · 3,588 ft² · Sold $3.4M · Nov 2025
- 11 22nd Ave202 ft · 4 bd · 2 ba · 2,544 ft² · Sold $1.3M · Sep 2021
- 7 22nd Ave$2.4M193 ft · 6 bd · 2 ba · 2,544 ft² · Sold Oct 2024
- 13 22nd Ave246 ft · 6 bd · 4.5 ba · 2,544 ft² · Sold $1.5M · Sep 2024
- 5 22nd Ave$1.6M228 ft · 2 bd · 2 ba · 1,556 ft² · Sold $600K · Oct 2015
- 15 22nd Ave306 ft · 6 bd · 3 ba · 2,544 ft² · Sold $1.4M · Jun 2024
- 3 22nd Ave279 ft · 6 bd · 3 ba · 2,544 ft² · Sold Jul 2011
- 4 Ocean Park Ct$1.6M329 ft · 3 bd · 2 ba · 1,543 ft² · Sold Jan 2023
More homes in Isle Of Palms 29451
- 301 Palmetto Dr$910K1 bd · 1 ba · 801 ft² · Sold $880K · Aug 2026
- 9000 Palmetto Dr$995K1 bd · 1 ba · 800 ft² · Sold $995K · Aug 2026
- Back Bay Dr$981K2 bd · 2.5 ba · 1,300 ft² · Sold $989K · Aug 2026
- 25 Sand Dollar Dr$1.8M3 bd · 2 ba · 2,102 ft² · Sold $1.8M · Aug 2026
- 304 Ocean Blvd$7.3M6 bd · 6 ba · 5,402 ft² · Sold $7.3M · Aug 2026
- 304 Yacht Harbor Villas$359K3 bd · 3.5 ba · 1,577 ft² · Sold $220K · Aug 2026
- 3 7th Ave$4.1M5 bd · 4.5 ba · 4,415 ft² · Sold $4.1M · Aug 2026
- 15 42nd Ave$2.4M6 bd · 6 ba · 3,787 ft² · Sold $2.4M · Aug 2026
- 2904 Palm Blvd$6M4 bd · 4 ba · 2,450 ft² · Sold $6M · Aug 2026
- 30 Fairway Dunes Ln$1.3M3 bd · 3 ba · 1,669 ft² · Sold $1.3M · Jul 2026
- 1300 Ocean Blvd$583K1 bd · 1 ba · 490 ft² · Sold $585K · Jul 2026
- 141 Sparrow Dr$1.6M4 bd · 2.5 ba · 2,490 ft² · Sold $1.6M · Jul 2026
Assigned schools
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