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8-Unit Apartment Building with ADU
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504 Clay Avenue, Huntington Beach, CA 92648

Fully permitted accessory dwelling unit complements renovated interiors and varied apartment layouts.

Property Size6,400 SF
Lot Size0.23 Acres
Price / SF$582.03
Days on Market7

Property Features for 504 Clay Avenue

General Information

Standard status Active
Size 6,400 SF
Net Rentable 6,400 SF
Total Parking Spaces 9
Lot size 0.23 Acres
Property subtype Multifamily
Occupancy 100%
Net Operating Income $155,862

Site & Location

Highway Access Yes
Road Access Yes
Utilities to Site Yes

Units

Unit Mix 3 x 1BR/1BA, 1 x 2BR/1.5BA, 4 x 2BR/2BA
Multifamily Units 8

Amenities

private patios or balconies
individual garages
solar panels
in-unit washer and dryer
private backyard

Building Details

Year Built 1984
Year Renovated 2023
Buildings 2
Units 8
Listing Agency: Matthews
Listed By: Kyle Mirrafati · License #CA 01911204
Source: Crexi
Added: Aug 6 Changed: Aug 10 Last Checked: Aug 11 at 7:15AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Matthews

Investment Insights

Based on property information with market context.

This 8-unit apartment property includes seven original residences and a fully permitted ADU completed in 2023. The buildings total approximately 6,400 rentable square feet on a 10,001-square-foot lot, with a mix of three one-bedroom/one-bath units, one two-bedroom/one-and-one-half-bath unit, and four two-bedroom/two-bath units. The approximately 800-square-foot ADU includes solar panels, a private backyard, in-unit laundry, separately metered electricity, and an individual water heater.

Three apartments have been substantially renovated with quartz countertops, luxury vinyl plank flooring, and updated finishes. Other units feature granite countertops and laminate flooring. Recent improvements include exterior paint, perimeter fencing, and a central water heater serving the original seven units. Private patios or balconies, individual garages, and on-site parking serve the residences.

The property occupies an island parcel without adjacent residential buildings, just north of Yorktown Avenue and less than one mile from Downtown Huntington Beach, Main Street, Pacific Coast Highway, and the beach. A RUBS program is already in place.

Key Highlights

  • 8 apartment units comprising seven original units plus a fully permitted ADU completed in 2023
  • Approximately 6,400 rentable SF on a 10,001‑square‑foot lot
  • Unit mix includes three 1‑bedroom, one 2‑bedroom/1.5‑bath, and four 2‑bedroom/2‑bath units

Financial Insights

Estimated NOI and Cap Rate

NOI = area × lease_rate × (100 − vacancy) / 100 × (1 − expense_ratio). Net Operating Income — what the owner takes home each year before mortgage payments and income tax. Effective rent (asking rent minus vacancy losses) minus operating costs (taxes, insurance, maintenance, management).
NOI / Yr
$137,966
Cap rate = NOI / list price × 100. Capitalization rate — annual return on a fully cash purchase, before financing. NOI divided by price. Higher means more income per dollar invested, but usually also more risk or older condition. 5–8% is typical for stabilized commercial property; double digits often signal distressed deals.
Cap Rate
3.70%
Suggested Prices Based on Cap Rates Cap rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$2,759,320 $2.8M
Cap Rate 7%
$1,970,943 $2.0M
Cap Rate 9%
$1,532,956 $1.5M
Market Conditions
NOI Build-Up for 6,400 SF Vacancy — income lost from leasable area expected to sit empty during the year, subtracted from gross rent. EGI (Effective Gross Income) — gross rent minus vacancy losses, the realistic income before paying operating costs. OpEx (Operating Expenses) — recurring costs to operate the property (property tax, insurance, utilities, maintenance, management); excludes financing and capital improvements. NOI (Net Operating Income) — income a property generates after operating costs but before financing and taxes.
Gross rent
$257.3K $40.20/SF
− Vacancy
−$6.4K −$1.01/SF
EGI
$250.8K $39.20/SF
− OpEx
−$112.9K −$17.64/SF
NOI
$138.0K $21.56/SF
Area
Huntington Beach, CA
Vacancy
2.50%
Lease Rate
$40.20 /SF/Yr
Expense Ratio
45.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates Cap rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$2,759,320
Cap Rate 7%
$1,970,943
Cap Rate 9%
$1,532,956

Alternative Uses

Best Use
Apartment 5plus
$1.97M
$1.72M – $2.30M (±1% cap)
NOI $137,966 @ 7.0% cap · market cap 3.70%
Second Best
no second resolved use
Theoretical Best
Specialty Retail
$2.21M
$1.94M – $2.58M (±1% cap)
NOI $154,829 @ 7.0% cap · market cap 4.16%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Apartment buildings

Suggested Use

Top Pick Parking Lot & Garage Food Market Grocery & Convenience Store (Bike/Boat/Book/etc) Store Daycare Center Barber Shop

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

8
Residential units
Yes
Highway access
Yes
Paved road access
Yes
Utilities to site

Location Intelligence

Trade Area within ½ mile

1,931
Businesses Nearby

Demographics for 92648, CA

46,691
Population
21,609
Households
2.2
Avg Household Size
44
Median Age
51%
College-Educated
95%
High-School Grad
8.0 sq mi
ZIP Area
5,836
Density / Sq Mi
$118,993
Median Household Income
$73,049
Median Earnings
$2,324
Median Rent
$1,176,000
Median Home Value

Market

Vacancy Rate% for Multifamily in West region

7% 2022
7.8% 2023
8.6% 2024
8.6% 2025
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Frequently Asked Questions

What type of property is this?
Apartment building - Fully permitted accessory dwelling unit complements renovated interiors and varied apartment layouts.
Where is this apartment building located?
The property is located at 504 Clay Avenue Huntington Beach, CA.
What is the asking price?
The asking price for this property is $3,725,000.
What are key features of this property?
This property features: 8 apartment units comprising seven original units plus a fully permitted ADU completed in 2023; Approximately 6,400 rentable SF on a 10,001‑square‑foot lot; Unit mix includes three 1‑bedroom, one 2‑bedroom/1.5‑bath, and four 2‑bedroom/2‑bath units
(949) 474-4004 Call to check price and availability
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