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.
For sale
$3,895,000
624 Alta Ave, Santa Monica, CA 90402
5beds
2,713sqft
Residential, Single Family Residence
Built in 1925
7,213 Square Feet Lot
$3,912,200 Zestimate®
$1,436/sqft
$-- HOA
What's special
- 25 days
- 5,444
- 448
Zillow last checked:
Listing updated:
Listed by:
Mark Cianciulli DRE # 01990266 323-208-9512,
The CREM Group 323-347-1009
Source: CLAW,MLS#: 26992039
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 3
- Full bathrooms: 3
Rooms
- Room types: Basement
Heating
- None
Cooling
- None
Appliances
- Laundry: Inside
Features
- Flooring: Tile, Wood
- Has basement: Yes
- Number of fireplaces: 1
- Fireplace features: Living Room
Interior area
- Total structure area: 2,713
- Total interior livable area: 2,713 sqft
Property
Parking
- Total spaces: 2
- Parking features: Attached, Garage - 2 Car, Driveway
- Has attached garage: Yes
- Has uncovered spaces: Yes
Features
- Levels: Two
- Pool features: None
- Spa features: None
- View description: None
Lot
- Size: 7,213 Square Feet
- Dimensions: 96 x 75
Details
- Additional structures: None
- Parcel number: 4293012012
- Zoning: SMR1*
- Special conditions: Standard
- Other equipment: None
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Spanish Colonial
- Property subtype: Residential, Single Family Residence
Condition
- Year built: 1925
Community & HOA
HOA
- Has HOA: No
Location
- Region: Santa Monica
Financial & listing details
- Price per square foot: $1,436/sqft
- Tax assessed value: $274,528
- Date on market: 9/24/2026
Estimated market value
$3,912,200
$3.72M - $4.11M
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 10/2/2026 | Listed for sale | $3,895,000$1,436/sqft |
Source: | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2026 | -- | $274,528 +2% |
| 2025 | $3,646 -6.9% | $269,146 +2% |
| 2024 | $3,917 +16.7% | $263,870 +2% |
| 2023 | $3,355 +1.3% | $258,697 +2% |
| 2022 | $3,312 +3.1% | $253,625 +2% |
| 2021 | $3,213 +0.8% | $248,653 +1% |
| 2020 | $3,189 | $246,104 +2% |
| 2019 | $3,189 +8.4% | $241,279 +2% |
| 2018 | $2,942 | $236,549 +2% |
| 2017 | $2,942 +0.5% | $231,912 +2% |
| 2016 | $2,928 +4.4% | $227,365 +1.5% |
| 2015 | $2,803 -10.1% | $223,951 +2% |
| 2014 | $3,117 | $219,565 +2.5% |
| 2012 | -- | $214,289 +2% |
| 2011 | -- | $210,088 +0.8% |
| 2010 | -- | $208,519 -0.2% |
| 2009 | -- | $209,015 +2% |
| 2008 | -- | $204,917 +2% |
| 2007 | -- | $200,900 +2% |
| 2006 | -- | $196,961 |
| 2005 | -- | $196,961 +4% |
| 2004 | -- | $189,314 +1.9% |
| 2003 | -- | $185,845 +2% |
| 2002 | -- | $182,202 +4% |
| 2000 | -- | $175,128 |
Find assessor info on the county website
Monthly payment
Est. payment





