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140 12th Street — Seal Beach | Belmont Brokerage | Belmont Brokerage

Active

+66 more

$3,059,999

1 DOM

— bd— ba— sqft

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140 12th St Seal Beach, CA 90740

4,517sqft lot

Premier coastal triplex in the heart of highly sought-after Old Town Seal Beach! Ideally located just half a block to the sand and only three blocks to the charming shops, dining, and vibrant atmosphere of Main Street, this exceptional asset offers the ultimate beach lifestyle. The property features three extra-large, light-filled units, each offering 2 bedrooms with laundry, fully remodeled/ upgraded double pane windows, recessed lighting. The spacious floor plans are bright and airy, creating an inviting living experience for tenants or owner-occupants alike. Each unit also enjoys enclosed patios, perfect for relaxing or entertaining. Additional highlights include an expansive covered and enclosed garage with a total of six parking spaces, a rare and highly desirable amenity in this premier coastal location. The property boasts an excellent unit mix and strong rental appeal, making it a standout investment opportunity. Whether you’re looking to expand your portfolio or secure a prime beachside asset, this triplex delivers on location, functionality, and long-term value.

MLS PW26078016

619-248-6434 (Office) 714-317-9002 (Cell) sarah@sarahmartinproperties.com

Est. payment

$19,552/mo

Principal & interestTaxesInsurance

$15,473$3,187$892

Down %

Rate %

Years

Down payment: $612,000 · Total cost: $6,182,287

Mortgage vs rent

Compare estimated owner carrying cost (same loan math as above) to a gross rent estimate from a price-based multiplier (not a comp lease).

Est. carrying cost$19,552/mo

Principal & interest: $15,473
Est. property tax: $3,187
Est. insurance: $892
Down payment: $612,000

Est. gross rent$12,750/mo

Gross rent ≈ list price ÷ (20 × 12). Adjust the multiplier to match how you underwrite (typical investor GRM bands are often ~16–24 for SFR, market-dependent).

Rent − carrying cost (illustrative)$-6,802/mo

Down payment20%

6.5% APR, 30-year amortization — same P&I formula as the payment calculator above.

Gross rent multiple (annual)20×

Not financial advice. Mortgage uses standard amortizing P&I; taxes and insurance are rough California-style estimates (1.25% / yr tax, 0.35% / yr insurance). Rent is gross (no vacancy or management); actual market rent requires comps or a lease listing.

Virtual Tour

Explore 3D Space

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Price History

Event	Date	Price	Change
Listed	Apr 12, 2026	$3,059,999	—

Facts & Features

Transaction Data

Structure & Property

Year Built1973

Garage Spaces6

619-248-6434 (Office) 714-317-9002 (Cell) sarah@sarahmartinproperties.com

Sale & Tax History

No Recent Sales History

We didn't find any closed transactions for this property in the last 5 years.

Location

140 12th Street, Seal Beach, CA 90740

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Call

140 12th St Seal Beach, CA 90740

About this home

Sarah Martin

Est. monthly payment

Mortgage vs rent

Virtual Tour

Price History

Facts & Features

Transaction Data

Structure & Property

Sarah Martin

Sale & Tax History

No Recent Sales History

Location

Location

Listing Agent

Presented by Belmont Brokerage Inc.

140 12th Street, Seal Beach, CA 90740

About This Property

Property Photos

140 12th St Seal Beach, CA 90740

About this home

Sarah Martin

Est. monthly payment

Mortgage vs rent

Virtual Tour

Price History

Facts & Features

Transaction Data

Structure & Property

Sarah Martin

Sale & Tax History

No Recent Sales History

Location

Location

Listing Agent

Presented by Belmont Brokerage Inc.