3181 4th St, Boulder, CO 80304 Property Records

Boulder County property record for 3181 4th St, Boulder, CO 80304 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	4 Beds
Bathrooms	2.75 Baths
Year Built	Built 1997
Square Footage	3,163 sqft Living Area
Lot Size	6,339 sqft (0.146 acres)
Occupancy	Owner Occupied
Last Sale	$35,000 (1974)
Tax Bill	$9,357.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1461-24-3-08-022`
Alternative APNs	`R0005110` `0005110`

Interior

Bedrooms	4 Beds
Full Baths	2.75 Baths
Partial Baths	1 Partial Baths
Total Rooms	10 Rooms
Building Area	3,163 sqft Living Area
Gross Area	4,213 sqft Gross Area
1st Floor	1,166 sqft 1st Floor
Upper Floors	752 sqft Upper Floors
Basement Area	1,244 sqft Basement
Finished Basement	680 sqft Finished
Unfinished Basement	564 sqft Unfinished
Stories	2 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1997
Architectural Style	A-Frame Style
Exterior Material	Combination Exterior
Construction Type	Masonry/Concrete Masonry Units (CMUs) Construction
Roof Material	Metal Roof
Lot Area	6,339 sqft (0.146 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	486 sqft Garage
Deck Area	289 sqft Deck
Porch	Porch
Porch Area	96 sqft Porch

Utilities and HVAC

Heating System	Hot Water Heating

Location & Zoning

Account Number	R0005110
Street Address	3181 4TH ST
City	BOULDER
State	CO
Zip	80304-2544
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOTS 45-46 BLK 44 NEWLANDS
Legal Range	71
Legal Township	1N
Legal Section	24
Legal Subdivision	NEWLANDS - BO
Legal Block	44
Legal Lot Number	45
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	3
Census Block	3010
Census Tract	12101

Owner

Source: Boulder County records · APN 1461-24-3-08-022

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 Name on File
Mailing Address	3181 4TH ST, BOULDER, CO 80304-2544
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Mar 05, 1974 · Amount on Record
Deed Sale	Mar 05, 1974 · Amount on Record
Deed Doc Number	197495541
Last Transfer Date	Apr 08, 2020
Transfer Doc	0003776545
Record Refreshed	Sep 20, 2026

April 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 09, 2020
Property Address	3181 4TH ST, BOULDER, CO 80304-2544
Document Number	0003776545
Instrument Date	Apr 08, 2020
Instrument	3776545
Transaction Type	Transfer
Record Updated	Jun 08, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Document Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1120 ITHACA DR BOULDER CO 803056330, BOULDER, CO 80305-6330

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		$113,570 (+8.8%) Land $93,942 Building $19,628	$1,670,150 (-) Land $1,381,500 Building $288,650
2025	$9,357.00 (+1.53%)	$104,385 (-10.87%) Land $86,344 Building $18,041	$1,670,150 (-4.45%) Land $1,381,500 Building $288,650
2023	$9,216.00 (+33.72%)	$117,109 (+44.27%) Land $95,696 Building $21,413	$1,747,900 (+49.65%) Land $1,428,300 Building $319,600
2022	$6,892.00	$81,176 Land $68,722 Building $12,454	$1,168,000 Land $988,800 Building $179,200

Flood & Wildfire

3181 4th St is in FEMA Zone X, outside the Special Flood Hazard Area, with direct wildfire exposure (High risk).

Flood

Source: FEMA National Flood Hazard Layer · Boulder County (08013C), updated October 14, 2026

FEMA Flood Zone	Zone X minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard Area	No

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to Homes	High 77th percentile of exposed land nationally · 78th in Colorado
Wildfire Likelihood	High — about 1 in 175 per year
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.