21 ALTA ST
Valuation
Tax & Assessment
Property Facts
Transaction History(1)
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: Arcadia Unified School District
Neighborhood · ZIP 91006These 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
21 Alta 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.
- Worth less than 90% of homes in Arcadia 91006
- Costs less per square foot than 70% of homes in Arcadia 91006
- Smaller than 84% of homes in Arcadia 91006
- Has a bigger lot than 87% of homes in Arcadia 91006
- Newer than 97% of homes in Los Angeles County
What homes are worth in Arcadia 91006
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 10% of homes in Arcadia 91006.
How it measures up in Arcadia 91006
The dot is this home. The mark in the middle is the typical home in Arcadia 91006.
Pricier than 10% of homes nearby
Pricier than 30% of homes nearby
Bigger than 16% of homes nearby
Bigger than 87% of homes nearby
Newer than 93% of homes nearby
| Measure | This home | Arcadia 91006 | Los Angeles County |
|---|---|---|---|
| Estimated valuepricier than | $808,343 | 10% of homes | 49% of homes |
| Price per ft²pricier than | $586 | 30% of homes | 56% of homes |
| Living areabigger than | 1,379 ft² | 16% of homes | 36% of homes |
| Lot sizebigger than | 0.54 ac | 87% of homes | 85% of homes |
| Year builtnewer than | 2012 | 93% of homes | 97% of homes |
About 21 Alta St
How much is 21 Alta St, Arcadia, CA worth?
The TopHap Estimate for 21 Alta St, Arcadia, CA is $808,343 as of Aug 30, 2026. The likely range is $757,130 to $859,556. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 21 Alta St, Arcadia, CA last sell?
21 Alta St, Arcadia, CA last sold on Aug 15, 2012 for $620,000, according to the county's recorded deed.
How big is 21 Alta St, Arcadia, CA?
21 Alta St, Arcadia, CA has 3 bedrooms, 3 bathrooms, 1,379 square feet of living space and a 0.54-acre lot.
When was 21 Alta St, Arcadia, CA built?
21 Alta St, Arcadia, CA was built in 2012, making it 14 years old. It is a condo/apartment home.
What schools serve 21 Alta St, Arcadia, CA?
21 Alta St, Arcadia, CA is assigned to First Avenue Middle School (middle), rated A; Arcadia High School (high), rated A+; Holly Avenue Elementary School (elementary), rated A-. All sit in Arcadia Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 21 Alta St, Arcadia, CA compare to other homes in Arcadia 91006?
Among the 9,968 homes in Arcadia 91006, it is worth more than 10% of them ($808,343 against a typical $1,344,140), its price per square foot is higher than 30% of them ($586 against a typical $663), it is bigger than 16% of them (1,379 ft² against a typical 2,015 ft²), its lot is bigger than 87% of them (0.54 ac against a typical 0.23 ac) and it is newer than 93% of them (2012 against a typical 1955). Measured against all of Los Angeles County, it is worth more than 49% 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 21 Alta St, Arcadia, CA?
The 2025 property tax bill for 21 Alta St, Arcadia, CA was $9,203. The county assessed it at $778,740.
More homes on Alta St
- 50 Alta St # C$805K3 bd · 3 ba · 1,410 ft² · Sold $805K · Aug 2026
- 143 Alta St26 bd · 26 ba · 12,306 ft² · Sold $6.7M · Mar 2026
- 31 Alta St # A$972K3 bd · 3 ba · 1,393 ft² · Sold $970K · Mar 2026
- 138 Alta St # A$808K3 bd · 3 ba · 1,419 ft² · Sold $805K · Jan 2026
- 26 Alta St$1M2 bd · 1 ba · 1,136 ft² · Sold $1.6M · Oct 2025
- 130 Alta St # B$1.2M3 bd · 3 ba · 1,580 ft² · Sold $1.2M · Aug 2025
- 130 Alta St # C$1.2M3 bd · 3 ba · 1,550 ft² · Sold $1.2M · Jun 2025
- 27 Alta St # A$1.1M3 bd · 4 ba · 1,484 ft² · Sold $1.1M · May 2025
- 41 Alta St2 bd · 1 ba · 2,910 ft² · Sold $1.7M · Apr 2025
- 50 Alta St # A$864K3 bd · 3 ba · 1,368 ft² · Sold $855K · Apr 2025
- 46 Alta St # A$952K3 bd · 3 ba · 1,368 ft² · Sold $942K · Apr 2025
- 16 Alta St # 19 bd · 5 ba · 5,145 ft² · Sold $2M · Feb 2025
Closest homes
- 27 Alta St$1.1M0 ft · 3 bd · 4 ba · 1,484 ft² · Sold $1.1M · May 2025
- 19 Alta St$816K0 ft · 3 bd · 3 ba · 1,393 ft² · Sold $626K · Aug 2012
- 31 Alta St$972K0 ft · 3 bd · 3 ba · 1,393 ft² · Sold $970K · Mar 2026
- 23 Alta St$916K0 ft · 3 bd · 4 ba · 1,445 ft² · Sold $736K · Nov 2016
- 25 Alta St$889K0 ft · 3 bd · 4 ba · 1,584 ft² · Sold $688K · Sep 2012
- 27 Alta St$767K0 ft · 3 bd · 4 ba · 1,445 ft² · Sold $585K · Sep 2012
- 29 Alta St$808K0 ft · 3 bd · 3 ba · 1,379 ft² · Sold $620K · Aug 2012
- 31 Alta St$840K0 ft · 3 bd · 4 ba · 1,538 ft² · Sold $684K · Aug 2012
More homes in Arcadia 91006
- 3036 Center St$1M3 bd · 2 ba · 1,702 ft² · Sold $1M · Aug 2026
- 126 W Floral Ave$1.3M3 bd · 2 ba · 1,609 ft² · Sold $1.2M · Aug 2026
- 2221 S 4th Ave$1.7M3 bd · 2 ba · 2,100 ft² · Sold $1.7M · Aug 2026
- 120 Bonita St$850K3 bd · 3 ba · 1,310 ft² · Sold $850K · Aug 2026
- 340 Arbolada Dr$3.9M5 bd · 5 ba · 3,922 ft² · Sold $3.9M · Aug 2026
- 1296 S 8th Ave$2.5M4 bd · 4 ba · 3,480 ft² · Sold $2.5M · Aug 2026
- 1049 Don Alvarado St$1.8M5 bd · 3 ba · 3,015 ft² · Sold $1.8M · Aug 2026
- 16 S Santa Anita Ave4 bd · 3 ba · 2,007 ft² · Sold $1.2M · Aug 2026
- 314 E Las Flores Ave$1.6M2 bd · 2 ba · 1,226 ft² · Sold $1.6M · Aug 2026
- 275 Hacienda Dr$3.2M5 bd · 4 ba · 3,843 ft² · Sold $3.2M · Aug 2026
- 2559 Mayflower Ave$1.2M3 bd · 2 ba · 1,739 ft² · Sold $1.2M · Aug 2026
- 566 S 2nd Ave$1.6M3 bd · 4 ba · 2,510 ft² · Sold $1.6M · Aug 2026
Assigned schools
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