SKIP TO CONTENT
S.LOWENSTEIN
DEAL INDEXBUILDINGSMARKETSTOOLSGUIDESWHOCONTACTVALUATION_
VALUATION_
DEAL INDEXBUILDINGSMARKETSTOOLSGUIDESWHOCONTACTWHAT'S IT WORTH? →
THEME
DEAL INDEXBUILDINGSTRACK RECORDMARKETSMARKET REPORTTOOLSGUIDESDEAL ALERTSWATCHLISTWHOVALUATIONCONTACT
(323) 944-2221@SHAYASELLSLA
© 2026 SHAYA LOWENSTEIN · LYON STAHL INVESTMENT REAL ESTATE830 S PACIFIC COAST HWY, SUITE D-200, EL SEGUNDO, CA 90245SHAYA@LYONSTAHL.COM · DRE #01942326
BUILDINGS/321 W DUARTE RD
/// BUILDING FILE · ROLL 2025

321 W DUARTE RD.

Monrovia, CA 91016 · APN 8507-004-031

/// 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

6

BUILDING SF

4,121

SF / UNIT

687

YEAR BUILT

1926

BEDROOMS

10

BATHROOMS

6

USE · CODE 0500

5+ UNITS

/// ASSESSED VALUE
LAND$912,638
IMPROVEMENTS$1,368,958
TOTAL$2,281,596
LAND BASE YEAR2022
OWNERSHIP TENUREAPPROX. 4 YEARS

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

/// LAST TRANSFER
RECORDEDJUL 21, 2021
EST. PRICE (2021)$2,149,999
EST. $/UNIT$358,333

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 91016

Recent sales nearby.

ADDRESSSOLDEST. PRICEEST. $/UNITUNITS
248 STEDMAN PL→DEC 2024EST.$1,004,000$502,000UNITS2245 W CHERRY AVE→NOV 2024EST.$922,000$461,000UNITS2127 W CHERRY AVE→NOV 2024EST.$1,440,000$480,000UNITS3518 KING ST→NOV 2024EST.$860,000$430,000UNITS2151 N MAGNOLIA AVE→NOV 2024EST.$1,266,000$633,000UNITS2834 W WALNUT AVE→NOV 2024EST.$1,337,000$334,250UNITS42034 PECK RD→OCT 2024EST.$2,080,000$520,000UNITS4710 VALLEY VIEW AVE→OCT 2024EST.$1,610,000$805,000UNITS2

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

/// COMPARE

Buildings like this one.

ON W DUARTE RD · ZIP 91016

340 W DUARTE RD→76 UNITS · BUILT 1986 · 5+ UNITS429 W DUARTE RD→3 UNITS · BUILT 1990 · TRIPLEX527 W DUARTE RD→32 UNITS · BUILT 1986 · 5+ UNITS532 W DUARTE RD→16 UNITS · BUILT 1961 · 5+ UNITS550 W DUARTE RD→48 UNITS · BUILT 1965 · 5+ UNITS560 W DUARTE RD→16 UNITS · BUILT 1977 · 5+ UNITS

SIMILAR SIZE AND ERA IN 91016

112 S ENCINITAS AVE→8 UNITS · BUILT 1925 · 6,851 SF122 S ENCINITAS AVE→5 UNITS · BUILT 1938 · 4,054 SF1232 S MAYFLOWER AVE→5 UNITS · BUILT 1912 · 4,716 SF1530 ENCINO AVE→6 UNITS · BUILT 1938 · 4,549 SF1850 6TH AVE→5 UNITS · BUILT 1938 · 4,737 SF201 N MYRTLE AVE, NO F→9 UNITS · BUILT 1913 · 9,450 SF
EVERY BUILDING IN 91016 →BUILT BEFORE 1930 →
/// COMMON QUESTIONS · 321 W DUARTE RD

The short answers.

Is 321 W Duarte Rd 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 321 W Duarte Rd have?

County records list 6 units at 321 W Duarte Rd, classified as 5+ units across 4,121 square feet of building area, averaging about 687 square feet per unit. Unit counts on the roll can lag permitted conversions and unpermitted additions in both directions.

When was 321 W Duarte Rd built?

The assessor roll gives a build year of 1926, 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 321 W Duarte Rd last sell, and for how much?

The last recorded transfer was July 2021, at an estimated $2,149,999 — about $358,333 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 321 W Duarte Rd assessed at, and is that what it is worth?

The current assessed value is $2,281,596 ($912,638 land, $1,368,958 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 321 W Duarte Rd 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.

WHAT'S IT WORTH_TALK TO SHAYA →

NOT SELLING? GET DEALS LIKE THIS FIRST →