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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/654 WILLIAM ST
/// BUILDING FILE · ROLL 2025

654 WILLIAM ST.

Pomona, CA 91768 · APN 8340-025-023

/// 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

2

BUILDING SF

1,750

SF / UNIT

875

YEAR BUILT

1979

BEDROOMS

4

BATHROOMS

2

USE · CODE 0200

DUPLEX

/// ASSESSED VALUE
LAND$472,237
IMPROVEMENTS$185,711
TOTAL$657,948
LAND BASE YEAR2022
OWNERSHIP TENUREAPPROX. 4 YEARS

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

/// LAST TRANSFER
RECORDEDDEC 17, 2021
EST. PRICE (2021)$619,999
EST. $/UNIT$310,000

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 91768

Recent sales nearby.

ADDRESSSOLDEST. PRICEEST. $/UNITUNITS
881 N HUNTINGTON BLVD→DEC 2024EST.$980,000$245,000UNITS4725 N GORDON ST→NOV 2024EST.$560,000$140,000UNITS4678 DEL ROSA PL→NOV 2024EST.$1,100,000$275,000UNITS4624 LEWIS ST→OCT 2024EST.$769,200$384,600UNITS21550 LAUREL AVE, BLDG 3→OCT 2024EST.$607,428$151,857UNITS41151 N WHITE AVE→SEP 2024EST.$831,800$415,900UNITS2131 NEWMAN ST→AUG 2024EST.$600,000$300,000UNITS2757 W CENTER ST→AUG 2024EST.$570,000$190,000UNITS3

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

/// COMPARE

Buildings like this one.

ON WILLIAM ST · ZIP 91768

547 WILLIAM ST→4 UNITS · BUILT 1907 · FOURPLEX577 WILLIAM ST→2 UNITS · BUILT 1946 · DUPLEX600 WILLIAM ST→2 UNITS · BUILT 1924 · DUPLEX634 WILLIAM ST→2 UNITS · BUILT 1895 · DUPLEX645 WILLIAM ST→4 UNITS · BUILT 1985 · FOURPLEX659 WILLIAM ST→3 UNITS · BUILT 1909 · TRIPLEX

SIMILAR SIZE AND ERA IN 91768

1108 N DUDLEY ST→2 UNITS · BUILT 1988 · 3,030 SF1147 WEBER ST→2 UNITS · BUILT 1969 · 2,502 SF1444 W ORANGE GROVE AVE→4 UNITS · BUILT 1979 · 3,540 SF1553 LA VITA AVE→2 UNITS · BUILT 1966 · 1,974 SF175 NEWMAN ST→2 UNITS · BUILT 1989 · 2,560 SF197 NEWMAN ST, A-B→2 UNITS · BUILT 1990 · 2,240 SF
EVERY BUILDING IN 91768 →LAND WORTH MORE THAN THE BUILDING →
/// COMMON QUESTIONS · 654 WILLIAM ST

The short answers.

Is 654 William 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 654 William St have?

County records list 2 units at 654 William St, classified as duplex across 1,750 square feet of building area, averaging about 875 square feet per unit. Unit counts on the roll can lag permitted conversions and unpermitted additions in both directions.

When was 654 William St built?

The assessor roll gives a build year of 1979, which is after the October 1978 RSO cutoff. Age drives more than character here: it sets rent-cap exposure, seismic retrofit obligations, and what a lender will underwrite.

When did 654 William St last sell, and for how much?

The last recorded transfer was December 2021, at an estimated $619,999 — about $310,000 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 654 William St assessed at, and is that what it is worth?

The current assessed value is $657,948 ($472,237 land, $185,711 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 654 William 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.

WHAT'S IT WORTH_TALK TO SHAYA →

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