115 S 33rd St, Boulder, CO 80305 Property Records

Boulder County property record for 115 S 33rd St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	4 bd · 1.75 ba · 1,298 sqft · built 1955
Lot Size	0.176 acres (7,686 sqft)
Owner	2 Individual Names on Record
Last Sale	$733,000 (Dec 2017)
Tax Bill	$5,613 (2025)
Deeds & Mortgages	Dec 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1577-05-3-10-009`

Property Details

APN / Parcel Number

Primary APN	`1577-05-3-10-009`
Alternative APNs	`R0011327` `0011327`

Interior

Bedrooms	4 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,298 sqft Living Area
1st Floor Area	1,298 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1995
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	7,686 sqft (0.176 acres)
Garage Type	Detached
Garage Area	616 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	119 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0011327
Street Address	115 S 33RD ST
City	BOULDER
State	CO
Zip	80305-3425
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 11 BLK 4 MARTIN ACRES 1
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	MARTIN ACRES 1 - BO
Legal Block	4
Legal Lot Number	11
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2008
Census Tract	12507

Owner

Source: Boulder County records, as of September 18, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on Record
Mailing Address	4551 13TH ST, B, BOULDER, CO 80304-4828
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 5, 2017 · Amount on Record
Deed Sale	Dec 5, 2017 · Amount on Record
Prior Sale	Jun 25, 2003 · Amount on Record
Deed Document Number	20173629200
Prior Transfer Date	Aug 23, 2012
Prior Transfer Doc	0003247825
Record Updated	Oct 29, 2026

December 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Dec 5, 2017
Property Address	115 S 33RD ST, BOULDER, CO 80305-3425
Document Number	0003629200
Instrument Date	Dec 1, 2017
Instrument	3629200
Transaction Type	Transfer
Record Updated	Dec 12, 2017
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$73.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	115 S 33RD ST BOULDER CO 803053425, BOULDER, CO 80305-3425

Mortgage

Document Number	3629201
Date	Dec 5, 2017
Instrument	3629201

Lender

Name	ELEVATIONS CU
Address	BROOMFIELD, CO 80021

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Dec 4, 2047

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$58,378 (+0.6%) Land $34,571 Building $23,807	$928,500 (-) Land $578,400 Building $350,100
2025	$5,613.00 (+4.74%)	$58,031 (-11.74%) Land $36,150 Building $21,881	$928,500 (-5.38%) Land $578,400 Building $350,100
2023	$5,359.00 (+13.76%)	$65,747 (+29.59%) Land $42,364 Building $23,383	$981,300 (+34.42%) Land $632,300 Building $349,000
2022	$4,711.00	$50,735 Land $31,421 Building $19,314	$730,000 Land $452,100 Building $277,900

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	9 in force
Nearby Flood Claims	1 (2013)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Low lower than 65% of the US · lower than 82% of Colorado
Wildfire Likelihood	0.03% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 451 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
CenturyLink Fiber	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20