Every active listing across the Orange County coast. Search the live MLS, save your favorites, and reach out for a private showing anytime.
1621 S DiamondSanta Ana, CA 92704
2 RARE HOUSES ON A SINGLE CORNER LOT OFFER HIGHER PROPERTY VALUES AS MORE SPACE & PRIVACY FROM NEIGHBORS !!! * The front house at 1621 S. Diamond St has 5 bedrooms / 2 bathrooms with 1,588 Sqft of living space and just added on a Den Permitted 105 Sqft as Total 1,693 Sqft of living space and renting $3450/ Month as Month to Month Lease * The Back house as Detached ADU was just built in 2026 at 1621 1/2 S. Diamond St has 2 bedrooms / 2 bathrooms with 800 Sqft of living space, Paid off Solar and renting $2600/Month as Month to Month Lease. Great investment and will not last long !
| 2 weeks ago | Price changed to $1,045,000 | |
| 2 weeks ago | Listing updated with changes from the MLS® | |
| 2 months ago | Listing first seen on site |
This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. The display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, the Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.
Property Details for 1621 S Diamond
This 7-bedroom, 4-bath single-family home sits in Santa Ana in Orange County. It offers 2,493 square feet of living space and is listed at $1,045,000, about $419 per square foot. The home was built in 2026. The MLS record lists the assessor parcel number as 408-242-15. Highlights include single-story living and a 5,998-square-foot lot. The detail sections on this page cover interior and exterior features, estimated taxes, HOA dues where they apply, and the map location.
Property History
1621 S Diamond last sold in October 2016 for $450,000.
- Relisted July 24, 2026 at $999,999
- Price raised to $1,045,000
- Sold October 2016 for $450,000 (Carrington Real Estate Service)
Estimated monthly payment
6.66% · 30-yr fixedEstimate only, not a loan offer or quote. Principal and interest use the Freddie Mac 30-year fixed average of 6.66% (week of Aug 27, 2026); your rate will differ. A loan this size is typically a jumbo loan, which prices differently. Tax and insurance are modelled, not billed amounts; tax uses a typical Orange County rate. Verify all figures. Full assumptions and disclosures.
Buying 1621 S Diamond
Want to see 1621 S Diamond in person? We have guided buyers through the Santa Ana market since 1983. Call to arrange a private tour, or send a note and we'll follow up the same day.
Selling near 1621 S Diamond
Thinking of selling nearby? We bring current Santa Ana sales data and a clear pricing strategy to every listing, backed by more than 500 closed sales and over $1B in Orange County volume. Start with a free home valuation, or reach out to talk through your options.
Photos of 1621 S Diamond, Santa Ana
Explore Santa Ana Real Estate
Search the full Orange County MLS on our live homes search. Questions about 1621 S Diamond? Talk to Realatrends.
Also for sale in Santa Ana: 1629 S Townsend Street, 1401 S Joane Way, 1426 S Rita Way, 1806 W Camden.
Browse Homes by City
Be first to see new Orange County listings
New Orange County homes by email, often before they reach the big portals.
You are all set.
Did you know? You can invite friends and family to your search. They can join your search, rate and discuss listings with you.