
624 Alta Avenue, Santa Monica, CA 90402
624 Alta Avenue, Santa Monica, CA 90402
Property Description
A rare opportunity to own a piece of Santa Monica architectural history in the highly coveted North of Montana neighborhood. Known as the Walter Boswell Residence, this distinguished Spanish Colonial Revival home was designed and built in 1925 by noted architect John Byers, recognized as one of Santa Monica's foremost architects of the early 20th century. Offered for sale for the first time in more than 60 years, the residence features 5 bedrooms and 3 bathrooms across approximately 2,713 square feet of living space on a 7,212-square-foot lot. Rich in history, character, and architectural pedigree, the property presents an exceptional opportunity to preserve, restore, or thoughtfully reimagine an important Santa Monica residence. Ideally situated just moments from the boutiques, cafes, restaurants, and neighborhood conveniences of Montana Avenue, as well as nearby schools, Palisades Park, the scenic coastal bluffs, Santa Monica Beach, and the Pacific Ocean. With its premier North of Montana setting, historic provenance, and enduring Spanish Colonial Revival architecture, 624 Alta Avenue represents a truly special offering in one of Santa Monica's most sought-after residential neighborhoods.
Features & Amenities
Property Details
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Comparative Market Analysis
Luxury Tier · 5 active · 5 closed
Santa Monica · Single Family Residence
Listed 8.4% below the median closed sale of $4,252,000. Price per sqft ($1,436) is a 14% discount to closed comps ($1,663). Closed comps sold at 111% of list — strong seller's market. Luxury tier — fewer comparable sales widen the confidence range.
Price Position
Priced below the market — value advantage over the field.
Active Properties (5)
Active Comparables
| Address | City | Year | BD | BTH | SqFt | LotSz | LP/SqFt | LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|
| 249 23rd Street | Santa Monica | 1926 | 4 | 3 | 2,845 | 8,689 | $2,107 | $6.00M | 55 | 88 |
| 295 Mabery Road | Santa Monica | 1953 | 5 | 3 | 2,273 | 8,520 | $1,978 | $4.50M | 54 | 84 |
| 354 21st Street | Santa Monica | 1925 | 4 | 2 | 2,462 | 8,944 | $2,232 | $5.50M | 33 | 82 |
| 527 7th Street | Santa Monica | 2015 | 4 | 4 | 3,136 | 7,498 | $2,231 | $7.00M | 84 | 82 |
| 2202 California Avenue | Santa Monica | 2026 | 5 | 5 | 2,795 | 5,301 | $1,664 | $4.65M | 91 | 79 |
| Total: 5 · Average | 4.4 | 3.4 | 2,702.2 | 7,790.4 | $2,042.4 | $5.53M | 63.4 | |||
| Median | 2,795 | $5.50M | ||||||||
Closed Properties (5)
Closed Comparables
| Address | City | Year | Date | BD | BTH | SqFt | LotSz | LP | SP | SP/SqFt | SP/LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 417 11th Street | Santa Monica | 1926 | 08/13/2026 | 5 | 3 | 2,251 | 7,527 | $3.80M | $4.25M | $1,889 | 1.12 | 34 | 91 |
| 246 16th Street | Santa Monica | 1925 | 05/13/2026 | 4 | 3 | 2,388 | 7,498 | $3.85M | $4.65M | $1,947 | 1.21 | 32 | 90 |
| 443 16th Street | Santa Monica | 1927 | 09/23/2026 | 4 | 4 | 3,054 | 7,510 | $5.00M | $5.61M | $1,837 | 1.12 | 36 | 87 |
| 1538 16th Street | Santa Monica | 1944 | 05/22/2026 | 5 | 3 | 2,114 | 7,523 | $2.50M | $2.40M | $1,135 | 0.96 | 70 | 86 |
| 1720 Oak Street | Santa Monica | 1935 | 07/21/2026 | 4 | 2 | 2,219 | 7,308 | $2.95M | $3.35M | $1,508 | 1.14 | 33 | 85 |
| Total: 5 · Average | 4.4 | 3.0 | 2,405.2 | 7,473.2 | $4.05M | $4.05M | $1,663.2 | — | 41 | ||||
| Median | 2,251 | $4.25M | $4.25M | ||||||||||
Market Analysis
List vs Sale $/SqFt
Sale Price Trend
Days on Market
Sale vs List Price
This analysis was generated automatically from MLS data. For an in-depth, human-reviewed valuation, contact Joseph Sardella at josephsardella@gmail.com.