DM
License active & verified
Real estate agent · Brea, California

Diane Marquez

Agent, T.N.G. Real Estate Consultants ·34+ years experience ·CA DRE #02012323

Verify license on CA DRE Unclaimed profile — built from public records

The verified record

Every number below is computed from public records of closed sales, last 24 months · how we compute this
5
homes closed, last 24 mo
▲ More than 98% of 960 Brea-area agents
$4.3M
closed sales volume
$565K median sale price
14
closed since 2023
Diane Marquez is a licensed real estate agent (CA DRE #02012323) with T.N.G. Real Estate Consultants in Brea, CA, with 5 closed transactions verified in public records over the last 24 months at a median sale price of $564,500. That is more recent sales in Brea than 98% of the 960 agents active there.
Source: California public property records. Updated monthly. How we compute these numbers →

About Diane

Compiled from public sources — not written by the agent

Diane Marquez (DRE# 02012323) is a Professional Realtor at T.N.G. Real Estate Consultants in Brea, CA. She brings 34 years of experience from the 911 emergency services industry before transitioning to real estate. She is committed to helping people throughout their real estate journey.

Residential real estate

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

4 2023 5 2024 3 2025 2 2026

Price range of closed sales

Middle 50% of Diane's transactions vs the Brea market

$275K $565K $991K mkt $1.1M
Middle 50% of sale prices; dot = agent median, dashed = market median

Who Diane represents

14 total closed sides, 2023–2026

5 seller-side (36%) 9 buyer-side (64%)
Avg days on market
Active listings now
0
on market today
Closed 2023–2026
14

Where Diane sells

Closed sales by ZIP, last 24 months

90063
Los Angeles
Sales1
Median price$485K
90601
Whittier
Sales1
Median price$858K
91709
Chino Hills
Sales1
Median price$1.3M
ZIPCity Sales (24 mo)Median priceAvg DOM
91741 Glendora 1 $1.0M
92544 Hemet 1 $410K

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

Questions to ask Diane in an interview

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

  1. Your typical sale is $565K — how does your approach change for a home like mine?
  2. Who will I actually work with day-to-day — you or a team member?

Compare with similar Brea agents

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

AgentSales (24 mo)Median priceAvg DOMSale÷listPrice cuts
Diane Marquez 5 $565K
David Arredondo 6 $565K
Anna Orlow 5 $560K 24 100.8% 50%
Laura Orlow-Kojac 5 $560K 24 100.8% 50%
Shannon Martinez 6 $558K 67 101.3% 33%
Scott Steffensen 8 $550K 19 98.8% 50%

Frequently asked questions

How many homes has Diane Marquez sold?

Diane Marquez has 14 publicly recorded closed transactions in 2023–2026, including 5 in the last 24 months (5 representing sellers, 9 representing buyers over the full period).

What price range does Diane Marquez work in?

Diane Marquez's closed sales have a median price of $564,500; the middle 50% of transactions fall between $275,000 and $990,625.

Is Diane Marquez's license active?

Diane Marquez holds an active California DRE license (#02012323). License status can be verified on the California DRE public lookup.

Diane MarquezT.N.G. Real Estate Consultants · Brea, CA
Check my fit

Data window 2023–2026, computed 2026-09-05 · Dispute or correct this data · *our public sales record begins 2023; Diane's career may predate it