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400 Prospect Avenue

Monrovia, CA, 91016

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$2,050,000

MLS: AR26161408

Beds

6

Baths

4

Sq Ft

4,208

Lot

0.24 ac

Year Built

1946

MLS #

AR26161408

Days on Market

8

Listed

Jul 23, 2026

Description

Rare North Monrovia offering: a 1946 two-story home with two full residences plus a permitted junior ADU, 4,208 sq ft of living space on a 10,451 sq ft corner lot at Prospect Ave and Hill St. The 2,338 sq ft upper residence features three bedrooms, two baths, a spacious family room, and an ante room at its center. The 1,870 sq ft lower residence offers a bedroom, full bath, family room, kitchen with island, dedicated laundry room, and a large storage room. The 455 sq ft junior ADU on the lower level has its own private entrance, kitchen, den, bedroom, and three-quarter bath — ideal for extended stays or rental income. Central heat and air throughout. Outside, the property offers a detached two-car garage, carport, covered patio, and mature landscaping with a fountain. Live in one residence and rent the others, house multiple generations under one roof, or hold as an income property in one of Monrovia's most established neighborhoods, minutes from Old Town and the foothills.

Location

Monrovia, Los Angeles County, CA 91016

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Listed by: Shumei Kam · High Ten Partners, Inc.

Listing information is provided courtesy of the Greater Antelope Valley Association of Realtors (GAVAR) and California Regional MLS (CRMLS). Information is deemed reliable but not guaranteed accurate by the MLS or by Mike Watson. All data, including square footage, lot size, room count, permits, and school assignment, should be independently verified. Properties shown may be listed by brokerages other than Keller Williams Realty. Listings are subject to prior sale, change, or withdrawal without notice.

Payment estimate

$15,061

/ month (est.)

Principal, interest, taxes, and insurance + PMI. Down payment: $205,000 · Loan: $1,845,000

%

Average 30-yr fixed rate 6.66% as of Jul 30, 2026 (Freddie Mac PMMS). Adjust to your quote.

Principal & Interest
$11,856
Property tax (1.25%)
$2,135
Homeowners insurance
$300
Mortgage insurance
$769
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Login required. The full tool supports FHA / VA / USDA, PMI by credit tier, lender fees, and total cash to close — with your inputs here carried over.

Today's Rates

As of Jul 30, 2026

30-year fixed
6.66%
15-year fixed
6.04%

Source: Freddie Mac Primary Mortgage Market Survey (PMMS). Updated weekly.

About the area · Mike Watson

About the Antelope Valley

The Antelope Valley spans Lancaster, Palmdale, Quartz Hill, Rosamond, Lake Los Angeles, California City, Edwards AFB, and the Plant 42 aerospace corridor. Mike Watson is a lifelong AV resident and the #1 producing individual Realtor in the region by transaction count. Every active listing on this site is paired with a free market analysis tailored to the specific street, honest financing guidance (FHA, VA, USDA, CalHFA, conventional, and assumable loans where the financing supports it), and side-by-side comparisons against the rest of the active inventory in your target ZIP.

Financing Options

FHA Financing — 3.5% Down

First-time and repeat buyers can purchase this Monrovia home with as little as 3.5% down using an FHA loan — roughly $71,750 down. FHA loans feature flexible credit guidelines and government-backed rates, making homeownership accessible for buyers who haven't saved a large down payment. Seller concessions up to 6% of the purchase price are also allowed.

Local Market Stats

See Monrovia, CA 91016 market trends →

Median sold price, days on market, active inventory, price brackets, and 12-month trends — pulled live from the MLS.

#1 Producing Individual Realtor — Antelope Valley

Only large teams outsell Mike Watson · Keller Williams Realty

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Listing data provided by the MLS · Presented by Watson & Associates · Keller Williams Realty · mikewatsonrealtor.com
All information deemed reliable but not guaranteed. Contact listing agent to verify.