Karen Ko, real estate agent in Diamond Bar License active & verified
Real estate agent · Diamond Bar, California

Karen Ko

Agent, Real Brokerage Technologies ·CA DRE #02054082

Verify license on CA DRE Unclaimed profile — built from public records
On the web: WebsiteZillow

The verified record

Every number below is computed from public records of closed sales, last 24 months · how we compute this
9
homes closed, last 24 mo
▲ More than 99% of 1,091 Diamond Bar-area agents
$6.9M
closed sales volume
$725K median sale price
15
closed since 2023
Karen Ko is a licensed real estate agent (CA DRE #02054082) with Real Brokerage Technologies in Diamond Bar, CA, with 9 closed transactions verified in public records over the last 24 months at a median sale price of $725,000. That is more recent sales in Diamond Bar than 99% of the 1,091 agents active there.
Source: California public property records. Updated monthly. How we compute these numbers →

About Karen

Compiled from public sources — not written by the agent

Karen Ko is a real estate agent based in Diamond Bar, CA, operating as a partner at Real Estate - Diamond Bar, CA. She holds a 5.0-star rating from 60 reviews and offers a guarantee that homes will sell or she will buy them.

Selling homesBuying homesCondosHouse inspection assistance

What clients say elsewhere

AI synthesis of publicly posted reviews on other platforms

Clients consistently praise Karen for her professionalism, quick responsiveness, and knowledgeable guidance throughout the buying and selling processes. Reviewers highlight her ability to provide multiple property options, handle inspections skillfully, and maintain easy, immediate communication.

We don't host reviews yet — when we do, every review will be tied to a verified transaction. Read the originals via the links in the sidebar.

Performance in detail

Verified from public records · 2023–2026 · metrics shown only where at least 3 closed listings support them

Closed transactions by year

Current year is partial

5 2023 2 2024 4 2025 4 2026

Price range of closed sales

Middle 50% of Karen's transactions vs the Diamond Bar market

$608K $725K $957K mkt $990K
Middle 50% of sale prices; dot = agent median, dashed = market median

Who Karen represents

15 total closed sides, 2023–2026

4 seller-side (27%) 11 buyer-side (73%)
Avg days on market
Active listings now
0
on market today
Closed 2023–2026
15

Where Karen sells

Closed sales by ZIP, last 24 months

91765
Diamond Bar
Sales2
Median price$1.3M
92880
Eastvale
Sales2
Median price$964K
91701
Rancho Cucamonga
Sales1
Median price$290K
ZIPCity Sales (24 mo)Median priceAvg DOM
91706 Baldwin Park 1 $645K
91722 Covina 1 $375K
91744 La Puente 1 $725K
91754 Monterey Park 1 $435K

4 more ZIPs with older sales (before the last 24 months) not shown.

Questions to ask Karen in an interview

Generated from this agent's own public sales record — bring them to your first call

  1. Most of your record is buyer-side — how many listings like mine have you sold?
  2. Your typical sale is $725K — how does your approach change for a home like mine?
  3. Who will I actually work with day-to-day — you or a team member?

Compare with similar Diamond Bar agents

Ranked by verified sales in public records, last 24 months — no agent pays for placement

AgentSales (24 mo)Median priceAvg DOMSale÷listPrice cuts
Karen Ko 9 $725K
Chelsea Shang 18 $722K 48 98.6% 56%
Jazmin Young 3 $730K
Shufang Cui 8 $732K
Deborah Kim 6 $733K
Danny Chen 4 $711K 71 102.3% 50%

Frequently asked questions

How many homes has Karen Ko sold?

Karen Ko has 15 publicly recorded closed transactions in 2023–2026, including 9 in the last 24 months (4 representing sellers, 11 representing buyers over the full period).

What price range does Karen Ko work in?

Karen Ko's closed sales have a median price of $725,000; the middle 50% of transactions fall between $607,500 and $956,500.

Is Karen Ko's license active?

Karen Ko holds an active California DRE license (#02054082). License status can be verified on the California DRE public lookup.

What do Karen Ko's reviews say?

Clients consistently praise Karen for her professionalism, quick responsiveness, and knowledgeable guidance throughout the buying and selling processes. Reviewers highlight her ability to provide multiple property options, handle inspections skillfully, and maintain easy, immediate communication.

Karen KoReal Brokerage Technologies · Diamond Bar, CA
Check my fit

Data window 2023–2026, computed 2026-07-11 · Dispute or correct this data · *our public sales record begins 2023; Karen's career may predate it