731 18th St, Boulder, CO 80302 Property Records

Boulder County property record for 731 18th St, Boulder, CO 80302 · Last verified June 2026

Property Highlights

Property Type	Residential > Condominium / Townhouse > Condominium
Bedrooms	4 Beds
Bathrooms	2 Baths
Year Built	Built 1955
Square Footage	1,525 sqft Living Area
Lot Size	6,322 sqft (0.145 acres)
Garage	Detached, 306 sqft
Last Sale	$96,000 (1995)
Tax Bill	$7,837.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1463-31-4-19-001`
Alternative APNs	`R0075929` `0075929`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Units	2 Units
Building Area	1,525 sqft Living Area
1st Floor	1,525 sqft 1st Floor
Stories	1 Stories
Interior Structure	Plaster Interior Structure

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1955
Architectural Style	Ranch Style
Exterior Material	Brick Veneer Exterior
Construction Type	Masonry/Concrete Masonry Units (CMUs) Construction
Roof Material	Asphalt Roof
Lot Area	6,322 sqft (0.145 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Detached Garage
Garage Area	306 sqft Garage
Porch	Porch
Porch Area	120 sqft Porch

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0075929
Street Address	731 18TH ST
City	BOULDER
State	CO
Zip	80302-7605
Property Usage	Residential Property Usage
Type	Residential > Condominium / Townhouse > Condominium
Legal Description	UNITS 731 & 733 18TH ST CONDOS
Legal Range	70
Legal Township	1N
Legal Section	31
Legal Subdivision	731-733 18TH ST CONDOS - BO
Legal Block	2
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	2
Census Block	2009
Census Tract	12401

Owner

Source: Boulder County records · APN 1463-31-4-19-001

Assessment roll updated June 15, 2026 · Last verified June 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Owner on File
Mailing Address	2525 ARAPAHOE AVE, E4, BOULDER, CO 80302-6746
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Known Transactions	Last Sale Amount on Apr 21, 1995 Deed Sale Price on Apr 21, 1995 Prior Sale Amount on Mar 14, 1983
Deed Doc Number	19951511709
Last Transfer Date	Dec 31, 2009
Transfer Doc	0003109007
Record Refreshed	Sep 20, 2026

September 2019: Quit Claim Deed, Mortgage

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Sep 27, 2019
Property Address	731 18TH ST, BOULDER, CO 80302-7605
Document Number	0003739169
Instrument Date	Sep 25, 2019
Instrument	3739169
Transaction Type	Mortgage
Record Updated	Oct 17, 2019
Title Company	LAND TITLE GUARANTEE

Transaction

Tax	$0.00
Additional	Quitclaim Document Multiple parcels conveyed, unknown impact to APN

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2525 ARAPAHOE E4-265 BOULDER CO 80302, BOULDER, CO 80302

Mortgage

Document Number	3739170
Date	Sep 27, 2019
Instrument	3739170

Lender

Name	WELLS FARGO BK
Type	Bank
Address	1242 PEARL ST, BOULDER, CO 80302-5209

Agreement

Amount	Amount Recorded
Term	120 Months
Due	Sep 26, 2029

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$87,584 (+8.8%) Land $60,289 Building $27,295	$1,288,000 (-) Land $886,600 Building $401,400
2025	$7,837.00 (+11.99%)	$80,501 (-1.25%) Land $55,413 Building $25,088	$1,288,000 (+5.86%) Land $886,600 Building $401,400
2024	$6,998.00 (+1.85%)
2023	$6,871.00 (+7.8%)	$81,519 (+21.62%) Land $56,461 Building $25,058	$1,216,700 (+23.44%) Land $842,700 Building $374,000
2022	$6,374.00	$67,028 Land $45,261 Building $21,767	$985,700 Land $665,600 Building $320,100