321 DIAMOND ST
Valuation
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Transaction History(4)
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
321 Diamond 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 more than 81% of homes in Los Angeles County
- Costs less per square foot than 68% of homes in Arcadia 91006
- Bigger than 76% of homes in Los Angeles County
- Has a bigger lot than 89% of homes in Arcadia 91006
- Newer than 88% 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 52% 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 52% of homes nearby
Pricier than 32% of homes nearby
Bigger than 60% of homes nearby
Bigger than 89% of homes nearby
Newer than 80% of homes nearby
| Measure | This home | Arcadia 91006 | Los Angeles County |
|---|---|---|---|
| Estimated valuepricier than | $1,388,135 | 52% of homes | 81% of homes |
| Price per ft²pricier than | $622 | 32% of homes | 60% of homes |
| Living areabigger than | 2,230 ft² | 60% of homes | 76% of homes |
| Lot sizebigger than | 0.59 ac | 89% of homes | 86% of homes |
| Year builtnewer than | 1993 | 80% of homes | 88% of homes |
About 321 Diamond St
How much is 321 Diamond St, Arcadia, CA worth?
The TopHap Estimate for 321 Diamond St, Arcadia, CA is $1,388,135 as of Sep 24, 2026. The likely range is $1,183,381 to $1,592,889. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 321 Diamond St, Arcadia, CA last sell?
321 Diamond St, Arcadia, CA last sold on May 20, 2025 for $1,380,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.
How big is 321 Diamond St, Arcadia, CA?
321 Diamond St, Arcadia, CA has 3 bedrooms, 3 bathrooms, 2,230 square feet of living space and a 0.59-acre lot.
When was 321 Diamond St, Arcadia, CA built?
321 Diamond St, Arcadia, CA was built in 1993, making it 33 years old. It is a condo/apartment home.
What schools serve 321 Diamond St, Arcadia, CA?
321 Diamond St, Arcadia, CA is assigned to Camino Grove Elementary School (elementary), rated A+; Richard Henry Dana Middle School (middle), rated A; Arcadia High School (high), rated A+. All sit in Arcadia Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 321 Diamond St, Arcadia, CA compare to other homes in Arcadia 91006?
Among the 9,971 homes in Arcadia 91006, it is worth more than 52% of them ($1,388,135 against a typical $1,370,281), its price per square foot is higher than 32% of them ($622 against a typical $690), it is bigger than 60% of them (2,230 ft² against a typical 2,011 ft²), its lot is bigger than 89% of them (0.59 ac against a typical 0.23 ac) and it is newer than 80% of them (1993 against a typical 1955). Measured against all of Los Angeles County, it is worth more than 81% 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 321 Diamond St, Arcadia, CA?
The 2025 property tax bill for 321 Diamond St, Arcadia, CA was $13,428. The county assessed it at $1,407,600.
More homes on Diamond St
- 32 Diamond St # D$961K4 bd · 3 ba · 2,044 ft² · Sold $960K · Apr 2026
- 125 Diamond St # H$1.1M3 bd · 3 ba · 2,076 ft² · Sold $1.1M · Mar 2026
- 148 Diamond St # C$981K4 bd · 3 ba · 2,122 ft² · Sold $980K · Feb 2026
- 150 Diamond St # B$1M4 bd · 3 ba · 1,784 ft² · Sold $1M · Aug 2025
- 148 Diamond St # B$1M4 bd · 2 ba · 1,784 ft² · Sold $953K · Jun 2024
- 339 Diamond St # C$1.3M5 bd · 4 ba · 2,029 ft² · Sold $1.2M · Feb 2024
- 113 Diamond St7 bd · 7 ba · 3,620 ft² · Sold $2M · Jul 2022
- 321 Diamond St # A$1.3M3 bd · 3 ba · 2,320 ft² · Sold $1.2M · Jun 2022
- 119 Diamond St # B$1.3M3 bd · 3 ba · 2,501 ft² · Sold $1.2M · Jun 2022
- 118 Diamond St # A$910K3 bd · 3 ba · 1,430 ft² · Sold $769K · Jun 2022
- 331 Diamond St # A$1.1M3 bd · 3 ba · 1,813 ft² · Sold $1M · May 2022
- 139 Diamond St10 bd · 8 ba · 5,998 ft² · Sold $2.2M · Dec 2021
Closest homes
- 321 Diamond St$1.3M0 ft · 3 bd · 3 ba · 2,320 ft² · Sold $1.2M · Jun 2022
- 321 Diamond St$1.2M0 ft · 3 bd · 3 ba · 2,310 ft² · Sold $335K · Mar 1994
- 315 Diamond St$1.2M0 ft · 3 bd · 3 ba · 2,310 ft² · Sold $335K · Feb 1994
- 315 Diamond St$1.2M0 ft · 3 bd · 3 ba · 2,320 ft² · Sold $357K · Feb 1994
- 321 Diamond St$1.2M0 ft · 3 bd · 3 ba · 2,230 ft² · Sold $895K · Jun 2021
- 329 Diamond St$997K102 ft · 3 bd · 4 ba · 1,778 ft² · Sold Jan 1900
- 329 Diamond St$1.1M102 ft · 3 bd · 4 ba · 1,786 ft² · Sold $1M · Feb 2019
- 316 S 3rd Ave$1.6M136 ft · 3 bd · 4 ba · 2,790 ft² · Sold $1.6M · Apr 2023
More homes in Arcadia 91006
- 135 E Las Flores Ave$2.5M4 bd · 3 ba · 2,678 ft² · Sold $2.6M · Oct 2026
- 5209 Ansdell Pl$988K3 bd · 2 ba · 1,510 ft² · Sold $988K · Oct 2026
- 1521 S 3rd Ave$1.5M4 bd · 2 ba · 1,806 ft² · Sold $1.5M · Oct 2026
- 625 E Norman Ave$5M2 bd · 1 ba · 1,318 ft² · Sold $4.2M · Oct 2026
- 823 N Santa Anita Ave4 bd · 2 ba · 1,818 ft² · Sold $1M · Oct 2026
- 1042 Whispering Oaks Dr$1.4M4 bd · 2 ba · 2,005 ft² · Sold $1.6M · Oct 2026
- 4389 Maple Ln$849K4 bd · 4 ba · 1,750 ft² · Sold $820K · Oct 2026
- 1031 Don Alvarado Dr$1.7M5 bd · 3 ba · 3,015 ft² · Sold $1.7M · Sep 2026
- 2231 Greenfield Ave$1.6M3 bd · 2 ba · 1,483 ft² · Sold $1.7M · Sep 2026
- 1529 Highland Oaks Dr$2.5M4 bd · 4 ba · 2,952 ft² · Sold $2.5M · Sep 2026
- 424 Genoa St$1.7MCondominium · Sold $1.7M · Sep 2026
- 2230 S 2nd Ave$4M6 bd · 7 ba · 7,581 ft² · Sold $3.6M · Sep 2026
Assigned schools
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