275 S 41st St, Boulder, CO 80305 Property Records

Boulder County property record for 275 S 41st St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.25 ba · 1,544 sqft · built 1956
Lot Size	0.172 acres (7,483 sqft)
Owner	Individual Name on File
Last Sale	$633,000 (Mar 2018)
Tax Bill	$5,751 (2025)
Deeds & Mortgages	Mar 2018 Sale Mar 2018 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1577-05-4-23-037`

Property Details

APN / Parcel Number

Primary APN	`1577-05-4-23-037`
Alternative APNs	`R0012501` `0012501`

Interior

Bedrooms	4 Beds
Full Baths	3.25 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,544 sqft Living Area
1st Floor Area	1,544 sqft
Basement Area	1,152 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1998
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	7,483 sqft (0.172 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0012501
Street Address	275 S 41ST ST
City	BOULDER
State	CO
Zip	80305-5457
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 37 BLK 6 MARTIN ACRES 2
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	MARTIN ACRES 2 - BO
Legal Block	6
Legal Lot Number	37
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3007
Census Tract	12507

Owner

275 S 41st St is owned and occupied by an individual who bought it in March 2018.

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

Owner of Record	Individual Name on File
Mailing Address	275 S 41ST ST, BOULDER, CO 80305-5457
Occupancy	Owner Occupied
Owner Type	Individual

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

Deeds, Mortgages & Sale History

Date	Document
Mar 5, 2018	Grant Deed, Transfer
Mar 5, 2018	Quit Claim Deed, Transfer FIRST AMERICAN TITLE
Jan 24, 2018	Quit Claim Deed, Transfer Quitclaim
Jan 23, 2018	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 5, 2018 · Amount on File
Deed Sale	Mar 5, 2018 · Amount on File
Prior Sale	Mar 5, 2018 · Amount on File
Deed Document Number	20183643450
Prior Transfer Date	Mar 1, 2018
Prior Transfer Doc	0003643450
Record Updated	Oct 29, 2026

March 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 5, 2018
Property Address	275 S 41ST ST, BOULDER, CO 80305-5457
Document Number	0003643449
Instrument Date	Mar 1, 2018
Instrument	3643449
Transaction Type	Transfer
Record Updated	Mar 12, 2018

Transaction

Amount	Amount on Record
Tax	$63.30
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	275 S 41ST ST BOULDER CO 803055457, BOULDER, CO 80305-5457

March 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 5, 2018
Property Address	275 S 41ST ST, BOULDER, CO 80305-5457
Document Number	0003643450
Instrument Date	Mar 1, 2018
Instrument	3643450
Transaction Type	Transfer
Record Updated	Mar 12, 2018
Title Company	FIRST AMERICAN TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	275 S 41ST ST BOULDER CO 803055457, BOULDER, CO 80305-5457

January 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Jan 24, 2018
Property Address	275 S 41ST ST, BOULDER, CO 80305-5457
Document Number	0003637637
Instrument Date	Jan 24, 2018
Instrument	3637637
Transaction Type	Transfer
Record Updated	Jan 31, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	833 MENDOCINO DR UKIAH CA 954825609, UKIAH, CA 95482-5609

January 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Jan 23, 2018
Property Address	275 S 41ST ST, BOULDER, CO 80305-5457
Document Number	0003637463
Instrument Date	Jan 23, 2018
Instrument	3637463
Transaction Type	Transfer
Record Updated	Jan 30, 2018

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	833 MENDOCINO DR UKIAH CA 954825609, UKIAH, CA 95482-5609

Tax Assessment & Valuation

The 2025 property tax bill for 275 S 41st St was $5,751.

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		$60,867 (+0.91%) Land $34,048 Building $26,819	$965,100 (-) Land $570,700 Building $394,400
2025	$5,751.00	$60,319 Land $35,669 Building $24,650	$965,100 Land $570,700 Building $394,400
2023	$5,549.00 (+10.27%)	$67,951 (+26.65%) Land $41,801 Building $26,150	$1,014,200 (+31.37%) Land $623,900 Building $390,300
2022	$5,032.00	$53,654 Land $31,004 Building $22,650	$772,000 Land $446,100 Building $325,900

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

FEMA maps place 275 S 41st St in Zone X, an area of minimal flood risk, though there have been 7 flood claims nearby since 1979.

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	6 in force
Nearby Flood Claims	7 (1979–2022)
Claims Outside the SFHA	5 of 7
Most Recent Claim	Jul 2022 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 5 claims

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

Wildfire risk around 275 S 41st St is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · lower than 91% of Colorado
Wildfire Likelihood	0.01% 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 678 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 · DSL in parts of the area	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

May also be available: AT&T.

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