4-bed, 2.5-bath single-family home in William Martin Homestead

Active$1,099,999

MLS® Listing#1071644 · Single Family Residence · Listed Nov 2, 2026

3420 Berkley Ave, Boulder, CO 80305

William Martin Homestead · Boulder County

Open houseSat, Nov 7 · 1:00–3:00 PM · Sun, Nov 8 · 10:00 AM–12:00 PM

Showing 5 of 39 photos · virtual tour online

4Beds

2.5Baths1 full, 2 three-quarter

2,288Sq Ft

1962Year built

0.21Acre lot

2Garage

Description

Updated ranch on one of Martin Acres' largest lots: 9,300 sq ft, fully fenced, with a ~800 sq ft flagstone patio, mature trees, smart irrigation and a 2024 storage shed. Refreshed in 2026 with a brand-new roof (full tear-off, permitted), refinished hardwood floors, new doors, fresh paint inside and out. Central A/C (2023) and radon mitigation.The living room centers on a stacked-stone wood-burning fireplace with built-in shelving and opens to the dining area, where French doors lead to the patio. The kitchen has custom concrete counters, cherry cabinetry, a breakfast bar, gas range and stainless appliances. Three main-level bedrooms, including a primary with its own 3/4 bath, plus a full hall bath.The finished basement adds a large rec room with a second fireplace, a fourth conforming bedroom with egress, a 3/4 bath and laundry. Insulated, attached 2-car garage with a new door and smart opener. Smart-home devices convey (ecobee, Ring, Rachio, smart switches, garage door opener, etc). RL-1 zoning: Boulder's 2025 rules allow an ADU (buyer to verify).A quick walk to Creekside Elementary, great access to Boulder's bike paths, CU, Table Mesa and Basemar shopping, RTD and US-36. Creekside / Manhattan / Fairview (BVSD; buyer to verify).

Full description online — scan the code for the complete listing.

Property information

Property type: Residential
Sub-type: Single Family Residence
Year built: 1962
Living area: 2,288 Sq Ft
Lot size: 0.21 acres
Garage spaces: 2
Annual taxes (2025): $6,232
HOA fee: None
Price / Sq Ft: $481
Days on market: 4

Features

Interior: Eat-in Kitchen · Open Floorplan
Appliances: Gas Range · Dishwasher · Refrigerator · Washer
Cooling: Central Air
Heating: Forced Air
Flooring: Wood
Parking: Attached · Oversized
Laundry: Washer Hookup
Fireplace: Living Room · Basement
Patio: Patio
Fencing: Fenced

$1,099,999List price

4Beds

2.5Baths1 full, 2 three-quarter

2,288Sq Ft

1962Year built

0.21Acre lot

2Garage

4 days agoOn market

$1,099,999

3420 Berkley Ave

Boulder, CO 80305

Active

Your local EXIT Realty office

EXIT Mosaic RealtyCentennial, COCall

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Description

Property Information

Property type: Residential
Sub-type: Single Family Residence
Style: Contemporary
Year built: 1962
Living area: 2,288 Sq Ft
Lot size: 0.21 acres
Garage spaces: 2
Zoning: RL-1
Days on market: 4
MLS^® Listing#: 1071644

Property Features

Interior: Eat-in Kitchen · Open Floorplan
Appliances: Gas Range · Dishwasher · Refrigerator · Washer · Dryer · Microwave · Disposal
Cooling: Central Air
Heating: Forced Air
Flooring: Wood
Fireplace: Living Room · Basement
Basement: Partially Finished
Parking: Attached · Oversized
Laundry: Washer Hookup
Patio: Patio
Fencing: Fenced
Lot features: Level · Paved
Construction: Frame · Brick
Roof: Composition
Windows: Window Coverings
Security: Fire Alarm
Other structures: Storage
Utilities: Natural Gas Available · Electricity Available
Sewer: Public Sewer
Water source: Public

Rooms

Main

Primary Bedroom12x11
Bedroom 211x11
Bedroom 311x11
Dining Room9x8
Kitchen11x10
Living Room19x14

Basement

Recreation Room20x15
Bedroom 412x12
Laundry8x6

Schools

Elementary: Creekside
Middle: Manhattan
High: Fairview

Financial Details

HOA: None
Annual taxes: $6,232Tax year 2025
Parcel number: R0012366

Open Houses

Saturday, Nov 71:00–3:00 PMAdd to calendar
Sunday, Nov 810:00 AM–12:00 PMAdd to calendar

Boulder Market Statistics

How this home compares to 1,568 active listings in Boulder, CO

	Boulder median	This listing
Median listing price	$1,049,750	$1,099,999
Median days on market	65	4
Median Sq Ft	1,999	2,288
Median price / Sq Ft	$530	$481

Market statistics compiled from active EXIT Realty® and MLS listings in Boulder, CO.

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Similar Home Values

Comparable nearby listings and their asking prices.

Address	Price	Beds	Baths	Sq Ft
350 Bates Ave, Boulder, CO	$1,099,750	5	1.75	2,349
720 Gillaspie Dr, Boulder, CO	$1,099,000	5	1.75	1,826
4405 Osage Drive, Boulder, CO	$1,095,000	5	2.25	2,464
219 29th St, Boulder, CO	$990,000	3	2	1,535

Connect with a Local Real Estate Expert

Stephan Poullier
Associate Broker
EXIT Mosaic Realty
Tasha Beckman
Broker of Record
EXIT Mosaic Realty
Nicole Robilotto
Associate Broker
EXIT Mosaic Realty
Amanda Edmondson
Associate Broker
EXIT Mosaic Realty
Marina-Jeanne Lewallen
Associate Broker
EXIT Mosaic Realty
Amy Ashby
Associate Broker
EXIT Mosaic Realty

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Description

Property Information

Property Features

Rooms

Main

Basement

Schools

Financial Details

Open Houses

Boulder Market Statistics

Commute Calculator

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3420 Berkley AvenueBoulder, CO 80305#IR1071644

3685 Martin DrBoulder, CO 80305#1067599

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Connect with a Local Real Estate Expert

Stephan Poullier

Tasha Beckman

Nicole Robilotto

Amanda Edmondson

Marina-Jeanne Lewallen

Amy Ashby

More homes to consider

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4405 Osage DriveBoulder, CO 80303#IR1071430

219 29th StBoulder, CO 80305#1063877

3420 Berkley AvenueBoulder, CO 80305#IR1071644

3685 Martin DrBoulder, CO 80305#1067599

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Boulder Market Statistics