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© 2026 SHAYA LOWENSTEIN · LYON STAHL INVESTMENT REAL ESTATE830 S PACIFIC COAST HWY, SUITE D-200, EL SEGUNDO, CA 90245SHAYA@LYONSTAHL.COM · DRE #01942326
BUILDINGS/139 N 12TH ST
/// BUILDING FILE · ROLL 2025

139 N 12TH ST.

Montebello, CA 90640 · APN 6345-024-024

/// WHERE DO WE REACH YOU?

ONE EMAIL, USED TO KEEP THIS LIST AND TO TELL YOU IF A WATCHED BUILDING LISTS OR SELLS. UNSUBSCRIBE ANY TIME.

UNITS

4

BUILDING SF

3,786

SF / UNIT

947

YEAR BUILT

1973

BEDROOMS

9

BATHROOMS

6

USE · CODE 0400

FOURPLEX

/// ASSESSED VALUE
LAND$712,372
IMPROVEMENTS$674,144
TOTAL$1,386,516
LAND BASE YEAR2022
OWNERSHIP TENUREAPPROX. 4 YEARS

PROP 13 ASSESSED VALUES — USUALLY WELL BELOW MARKET ON LONG-HELD BUILDINGS.

/// LAST TRANSFER
RECORDEDJUL 20, 2021
EST. PRICE (2021)$1,306,545
EST. $/UNIT$326,636

PRICE ESTIMATED FROM ASSESSOR REASSESSMENT AT SALE — NOT A VERIFIED CLOSING PRICE.

/// RENT CONTROL

LIKELY UNDER AB 1482 STATE CAP (5% + CPI, MAX 10%)

Outside LA RSO coverage on these records — most California multifamily over 15 years old falls under the AB 1482 statewide cap of 5% plus CPI, never more than 10% per year.

AB 1482 VS RSO →INFERRED FROM PUBLIC RECORDS — VERIFY WITH LAHD / ZIMAS BEFORE RELYING ON IT.
/// ZIP 90640

Recent sales nearby.

ADDRESSSOLDEST. PRICEEST. $/UNITUNITS
505 N 19TH ST→DEC 2024EST.$1,611,000$268,500UNITS6730 VIA ALTAMIRA→DEC 2024EST.$1,400,000$350,000UNITS4215 N 7TH ST→DEC 2024EST.$1,229,000$245,800UNITS52437 W REPETTO AVE→DEC 2024EST.$881,000$440,500UNITS2456 VIA VISTA→DEC 2024EST.$765,000$382,500UNITS2408 W MADISON AVE→NOV 2024EST.$880,000$440,000UNITS22311 W REPETTO AVE→NOV 2024EST.$909,000$303,000UNITS3331 N MONTEBELLO BLVD→NOV 2024EST.$2,900,000$263,636UNITS11

PRICES ESTIMATED FROM ASSESSOR REASSESSMENT AT SALE (ASSESSED VALUE DEFLATED 2%/YR) — NOT VERIFIED CLOSING PRICES.

/// COMPARE

Buildings like this one.

ON N 12TH ST · ZIP 90640

116 N 12TH ST→2 UNITS · BUILT 1938 · DUPLEX121 N 12TH ST→3 UNITS · BUILT 1937 · TRIPLEX129 N 12TH ST→2 UNITS · BUILT 1937 · DUPLEX134 N 12TH ST→2 UNITS · BUILT 1937 · DUPLEX141 N 12TH ST→4 UNITS · BUILT 1973 · FOURPLEX145 N 12TH ST→4 UNITS · BUILT 1973 · FOURPLEX

SIMILAR SIZE AND ERA IN 90640

1049 S BLUFF RD→4 UNITS · BUILT 1963 · 4,080 SF1101 BEACH ST→4 UNITS · BUILT 1961 · 3,551 SF1101 S SPRUCE ST→4 UNITS · BUILT 1962 · 3,708 SF1105 BEACH ST→4 UNITS · BUILT 1961 · 3,551 SF1105 S SPRUCE ST→4 UNITS · BUILT 1963 · 3,550 SF1109 S SPRUCE ST→4 UNITS · BUILT 1963 · 3,550 SF
EVERY BUILDING IN 90640 →
/// COMMON QUESTIONS · 139 N 12TH ST

The short answers.

Is 139 N 12th St rent controlled?

Outside LA RSO coverage on these records — most California multifamily over 15 years old falls under the AB 1482 statewide cap of 5% plus CPI, never more than 10% per year. This is an inference from public assessor records, not a determination — confirm the certificate of occupancy date with the LA Housing Department or ZIMAS before you rely on it for pricing or notices.

How many units does 139 N 12th St have?

County records list 4 units at 139 N 12th St, classified as fourplex across 3,786 square feet of building area, averaging about 947 square feet per unit. Unit counts on the roll can lag permitted conversions and unpermitted additions in both directions.

When was 139 N 12th St built?

The assessor roll gives a build year of 1973, which puts it in the pre-1979 stock that the LA Rent Stabilization Ordinance generally covers inside city limits. Age drives more than character here: it sets rent-cap exposure, seismic retrofit obligations, and what a lender will underwrite.

When did 139 N 12th St last sell, and for how much?

The last recorded transfer was July 2021, at an estimated $1,306,545 — about $326,636 per unit. That price is estimated from the Proposition 13 reassessment recorded at sale, not a verified closing price, so treat it as a close approximation rather than a confirmed figure.

What is 139 N 12th St assessed at, and is that what it is worth?

The current assessed value is $1,386,516 ($712,372 land, $674,144 improvements). Assessed value is not market value. Under Proposition 13 it resets only on a change of ownership and then climbs about 2% a year, so a long-held building is often assessed far below what it would trade for.

How do I find out what 139 N 12th St would sell for today?

Public records give you the frame — units, size, age, assessed value, when it last traded — but pricing needs in-place rents, expenses, and the condition of the units, none of which appear in county data. A broker valuation puts closed comps and a rent survey against the actual rent roll. Shaya Lowenstein does that free for LA multifamily owners, typically within 48 hours, with no obligation to list.

/// OWNER READING
WHAT IS MY BUILDING WORTH? →SELLING WITH TENANTS IN PLACE →HOW LA RSO WORKS →

Own this building?

FREE, CONFIDENTIAL VALUATION FROM CLOSED COMPS — 48H TURNAROUND.

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